Adams, F., Hollenbach, D., Laughlin, G. & Gorti, U. (2004). Photoevaporation of circumstellar disks due to external FUV radiation in stellar aggregates. Astrophysical Journal, 611(1,1): 360-379.

Albert, D.B, Hoehler, T.M., Bebout, B.M. Turk, K.A. & Des Marais, D.J. (2004). Nighttime loss of fermentation-derived organic acids as the basis of a syntrophic link between phototrophs and heterotrophs in microbial mats [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 28.

Albert, D.B., Hoehler, T.M., Des Marais, D.J., Turk, K.A. & Bebout, B.M. (2003). Organic acid fluxes from cyanobacterial mats over diel cycles with nighttime anoxia [Abstract]. Abstract Book (p. 18), American Society of Limnolology and Oceanography (ASLO) Aquatic Sciences Meeting 2003, Salt Lake City, UT.

Allamandola, L.J. & Hudgins, D.M. (2003). From interstellar polycyclic aromatic hydrocarbons and ice to astrobiology, in solid state astrochemistry. In: V. Pirronello et al. (Eds.). NATO Advanced Study Institute. Kluwer Academic Publishers, Dordrecht, The Netherlands: 251-316.

Allamandola, L.J. (2002). From interstellar polycyclic aromatic hydrocarbons and ice to astrobiology [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 40), NASA Ames Research Center, Moffett Field, CA.

Amundsen, H.E.F., Steele, A., Fogel, M., Mysen, B., Kihle, J., Schweizer, M., Toporski, J. & Treiman, A.H. (2004). Life in a Mars analog: Microbial activity associated with carbonate cemented lava breccias from NW Spitsbergen [Abstract]. Abstracts of Papers, Goldschmidt Conference 2004, Copenhagen, Denmark. Abstract #684.

Amundsen, H.E.F., Steele, A., Fogel, M., Mysen, B., Kihle, J., Schweizer, M., Toporski, J. & Treiman, A.H. (2004). Life in a Mars analog: Microbial activity associated with carbonate-cemented lava breccias from Spitsbergen [Abstract]. Astrobiology Science Conference 2004 Abstracts. International Journal of Astrobiology, Supplement 1 (DOI:10:1017/S147355004001648):117

Andersen, D., Pollard, W., McKay, C.P. & Heldmann, J. (2002). Cold springs in permafrost on Earth and Mars. Journal of Geophysical Research: Planets, 107(E3): B12.

Andres, M.S., Reid, R.P., Visscher, P.T. & Sumner, D.Y. (2005). Biocomplexity of modern marine stromatolites [Abstract]. In: G. Camoin & P. Gautret (Eds.). Microbialites and Microbial Communities in Sedimentary Systems (pp. 11-13). Paris, France: Assocation des Sedimentologistes Francais.

Apel, C.L. & Deamer, D.W. (2004). The formation of glycerol monodecanoate by a dehydration/condensation reaction: Increasing the chemical complexity of amphiphiles on the early Earth [Abstract]. Prebiotic chemistry and the origins of life. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 102.

Apel, C.L.& Deamer, D.W. (2005). The formation of glycerol monodecanoate by a dehydration/condensation reaction: Increasing the chemical complexity of amphiphiles on the early Earth. Origins of Life and Evolution of the Biosphere, 35(4): 323-332.

Banin, A.F. & Mancinelli, R.L. (2003). Nitrogen evolution and present day distribution on Mars [Abstract]. EGS-AGU-EUG Joint Assembly 2003, Nice, France. Geophysical Research Abstracts, Vol. 5, Atmospheric Sciences Programme. Abstract EAEO3-A-04381.

Barth, E.L & Toon, O.B. (2003). Microphysical modeling of Titan's methane-ethane clouds [Abstract]. EGS-AGU-EUG Joint Assembly 2003, Nice, France. Geophysical Research Abstracts, Vol. 5, Atmospheric Sciences Programme. Abstract EAE03-A-07741.

Barth, E.L. & Toon, O.B. (2002). Cloud lifetimes in Titan's atmosphere: Results from microphysical modeling [Abstract]. 34th Meeting of the Division for Planetary Sciences of the American Astronomical Society, October 2002. Bulletin of the American Astronomical Society, 34(3): Abstract 34.02.

Barth, E.L. & Toon, O.B. (2003). Microphysical modeling of ethane ice clouds in Titan's atmosphere. Icarus, 162: 94-113.

Bartley, J.K. & Rothschild, L.J.  (In Press, 2005). The effect of inorganic carbon availability on d13Corg and biogeochemical cycling in microbial communities: Implications for the ancient biosphere.  Palaios.

Baumgartner, L.K., Buckley, D.H., Reid, R.P. & Visscher, P.T. (2003). The effects of community structure on biogeochemical processes within stromatolites [Abstract]. American Society of Limnology and Oceanography (ASLO) Annual Meeting, Salt Lake City, UT.

Baumgartner, L.K., Buckley, D.H., Rogers, D.R., Sytsma, R. & Visscher, P.T. (2002). Decoupling of coupled cycles in microbial mats: Origin of biogenic signatures in lithosphere and atmosphere [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Baumgartner, L.K., Reid, R.P., Dupraz, C., Decho, A.W., Buckley, D.H., Spear, J.R., Przekop, K.M. & Visscher, P.T. (2006). Sulfate reducing bacteria in microbial mats: Changing paradigms, new discoveries. Sedimentary Geology, Vol. 185 (3-4), 131-145.

Baumgartner, L.K., Visscher, P.T., Buckley, D.H., Dupraz, C., Pace, N.R. & Spear, J.R. (2005). Microbial Populations in Lithifying and Non-lithifying Microbial Mat Systems: Interactions with Chemical and Physical Ecology [Abstract]. American Geophysical Union Summer Meeting. New Orleans, LA.

Baumgartner, L.K., Visscher, P.T., Dupraz, C., Przekop, K.M., Spear, J.R. & Pace, N.R. (2005). Microbial communities in lithifying and non-lithifying mats, Eleuthera, Bahamas [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:298-299.

Beaty, D.W., Mahaffy, P.R., Anderson, M.S., Aveni, G., Bada, J., Clemett, S.J., Des Marais, D.J., Douglas, S., Dworkin, J.P., Kern, R.G., Papanastassiou, D.A., Palluconi, F.D., Simmonds, J.J., Steele, A., Waite, J.H., & Zent, A.P. (2004). Organic contamination on martian landers: astrobiology implications and mitigation strategies [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 86.

Beaty, D.W., Snook, K., Allen, C.C., Eppler, D., Farrell, W.M., Heldmann, J.L., Metzger, P., Peach, L., Wagner, S.A. & Zeitlin, C. (2005). An Analysis of the Precursor Measurements of Mars Needed to Reduce the Risk of the First Human Missions to Mars, Unpublished white paper, 77 p, posted June, 2005 by the Mars Exploration Program Analysis Group (MEPAG) at: http://mepag.jpl.nasa.gov/reports/index.html.

Bebout, B., Carpenter, S., Des Marais, D.J., Discipulo, M., Hogan, M., Turk, K. (2002). The effects of low sulfate concentrations on modern microbial mat communities: A long term manipulation [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Bebout, B.M., Carpenter, S.P. & Hogan, M.E. (2003). The effects of low sulfate concentration on modern microbial mats communities: A long term manipulation [Abstract]. 2003 Aquatic Sciences Meeting, American Society of Limnology and Oceanography, February 9-14, Salt Lake City, UT.

Bebout, B.M., Des Marais, D.J., Discipulo, M., Embaye, T., Garcia-Pichel, F., Hoehler, T.M., Hogan, M., Jahnke, L.L., Keller, R.M., Miller, S.R., Prufert-Bebout, L.E., Raleigh, C., Rothrock, M. & Turk, K. (2002). Long term manipulations of intact microbial mat communities in a greenhouse collaboratory: Simulating Earth's present and past field environments. Astrobiology, 2: 383-402.

Bebout, B.M., Hoehler, T.M., Thamdrup, B., Albert, D.B., Carpenter, S., Hogan, M.E., Turk, K.A. & Des Marais, D.J. (2004). Methane production by microbial mats under low sulfate conditions. Geobiology, 2(2): 87-96.

Bebout, L.E., Shepard, R. & Reid, P.R. (2001). The role of cyanobacteria in stromatolite morphogenesis, Highborne Cay Bahamas: An integrated field and laboratory simulation study [Abstract]. Geological Society of America, 2001 Annual Meeting, Boston, MA. Abstract # 27581

Bernstein, M., Elsila, J., Sandford, S. & Allamandola, L. (2005). The Role of Radiation in Making Meteoritic Organics and False Biomarkers [Abstract]. Origins Meeting, McMaster University, Hamilton Ontario (http://origins.mcmaster.ca/astrobiology/).

Bernstein, M.P., Ashbourn S.F.M., Sandford, S.A. & Allamandola, L.J. (2004). The lifetimes of nitriles (CN) and acids (COOH) during ultraviolet photolysis and their survival in space. Astrophysical Journal, 601: 365-370.

Bernstein, M.P., Bauschlicher, C.W. & Sandford, S.A. (2004). The infrared spectrum of matrix isolated aminoacetonitrile, a precursor to the amino acid glycine. Advances in Space Research, 33: 40-43.

Bernstein, M.P., Cruikshank, D.P. & Sandford, S.A. (2005). Near Infrared Laboratory Spectra of Solid CO2 in H2O and CH3OH. Icarus. 179(2): 527-534.

Bernstein, M.P., Dworkin, J., Sandford, S.A. & Allamandola, L.J. (2001). Ultraviolet irradiation of naphthalene in H2O ice: Implications for meteorites and biogenesis. Meteoritics & Planetary Science, 36: 351-358.

Bernstein, M.P., Dworkin, J.P., Sandford, S.A., Cooper, G.W. & Allamandola, L.J. (2001). Racemic amino acids from the ultraviolet photolysis of interstellar ice analogues. Nature, 416: 401-403.

Bernstein, M.P., Elsila, J.E., Dworkin, J.P., Sandford, S.A., Allamandola, L.J. & Zare, R.N. (2002). Side group addition to the PAH coronene by UV photolysis in cosmic ice analogs. Astrophysical Journal, 576: 1115-1120.

Bernstein, M.P., Elsila, J.S.A., Dworkin, J.P., Sandford, S.A., Zare, R.N., Moore, M. & Allamandola, L.J. (2004). Interstellar photochemistry as a source of meteoritic pre-biotic organic molecules [Abstract]. Session on Origin of Life/Prebiotic Chemistry. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 101-102.

Bernstein, M.P., Elsila, J.S.A., Dworkin, J.P., Sandford, S.A., Zare, R.N., Moore, M. & Allamandola, L.J. (2004). Photolysis and radiolysis of ice as a source of false biomarkers on Europa [Abstract]. Session on Search for life beyond Earth. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 118.

Bernstein, M.P., Mastrapa, R., Elsila, J. & Sandford, S. (2005). The Cheshire-cat-like behavior of 2n3 overtone of CO2 near 2.134 mm: NIR Lab Spectra of Solid CO2 H2O mixtures [Abstract]. Lecture given on April 15, 2005, at the Southwest Research Institute, Boulder, CO.

Bernstein, M.P., Mastrapa, R., Elsila, J., Dworkin, J. & Sandford, S. (2005). IR Spectroscopy and Photo-Chemistry of Extraterrestrial Ices [Abstract]. Asia Oceania Geosciences Society, 2nd Annual Meeting: Abstract #58-PS-A0817. Singapore.

Bernstein, M.P., Mattioda, A.L., Sandford, S.A. & Hudgins, D.M. (2005). Laboratory Infrared Spectra of Polycyclic Aromatic Nitrogen Heterocycles: Quinoline, and Phenanthridine in Solid Argon and H2O. Astrophysical Journal Supplement Series, 626(2.1): 909-918.

Bernstein, M.P., Moore, M.H., Ashbourn, S., Dworkin, J.P., Elsila, J., Iraci, L., Sandford, S.A., Allamandola, L.J. & Zare, R.N. (2002). Energetic processing of interstellar ice as a source of functionalized aromatics in meteorites [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 605.

Bernstein, M.P., Moore, M.H., Elsila, J.E., Sandford, S.A., Allamandola, L.J. & Zare, R.N. (2003). Side group addition to the PAH coronene by proton irradiation in cosmic ice analogs. Astrophysical Journal (Letters), 582(1, Part 2): L25-L29.

Bernstein, M.P., Rettberg, P., Mancinelli, R.L. & Race, M.S. (2002). Space life sciences: Extraterrestrial organic chemistry, UV radiation on biological evolution, and planetary protection. Advances in Space Research, 30(6): 1393-1618.

Bernstein, M.P., Sandford, S.A. & Allamandola, L.J. (2003). Spectra and photochemistry of relevance to icy outer solar system objects [Abstract]. DPS (Division of Planetary Science) 35th Meeting, Monterey, CA. Session 5. Laboratory Research I, Talk 5.07.

Bernstein, M.P., Sandford, S.A. & Allamandola, L.J. (2005). The Mid-Infrared Absorption Spectra of Neutral PAHs in Dense Interstellar Clouds. Astrophysical Journal Supplement Series, 161(1): 53-64.

Bernstein, M.P., Sandford, S.A. & Walker, R. (2005). Laboratory IR Spectra of 4-AzaChrysene in Solid H2O. Adv. Space Research, 36(2): 166-172,

Bishop, J.L., Edwards, H.G.M., Anglen, B.L., Pratt, L.M., Doran, P.T., and Des Marais, D.J. (2003). A spectroscopy and isotopic study of sediments from the Antarctic dry valleys as analogs for potential paleolakes on Mars [Abstract]. 2003 Abstract Book, GSA (Geological Society of America) Annual Meeting & Exposition, Seattle, WA. p. 464.

Bishop, J.L., Howell, G.M.E., Anglen, B.L., Pratt, L.M., Doran, P.T. & Des Marais, D.J. (2003). A spectroscopy and isotope study of sediments from the Antarctic dry valleys as analogs for potential paleolakes on Mars. International Journal of Astrobiology, 2(4):273-287.

Bishop, J.L., Louris, S.K. & Rothschild, L. (Submitted, 2005). Nanophase Iron Oxides as a Key Ultraviolet Sunscreen for Ancient Photosynthetic Microbes.

Blake, D.F., Schulte, M. & Hoehler, T. (2004). Ultramafic terrranes as habitats for life on Mars and early Earth [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 84.

Botero, L.M., Brown, K.B., Brumefield, S., Burr, M., Castenholz, R.W., Young, M. and McDermott, T.R. (2004) Thermobaculum terrenum gen.nov.sp.nov.: a non-phototrophic gram positive thermophile representing an environmental clone group related to the Chloroflexi (green non-sulfur bacteria) and Thermomicrobia. Arch. Microbiol.181: 269-277.

Bradley, J., Dai, Z.R., Erni, R., Browning, N., Graham, G., Weber, P., Smith, J., Hutcheon, I., Ishii, H., Bajt, S., Floss, C., Stadermann, F. & Sandford, S. (2005). The Astronomical 2175 Å Feature in Interplanetary Dust Particles. Science, 307:244-247.

Brown, L.S. (2001). Proton transport mechanism of bacteriorhodopsin as revealed by site-specific mutagenesis and protein sequence variability. Biochemistry (Moscow), 66: 1546-1554.

Brown, L.S., Dioumaev, A.K., Lanyi, J.K., Spudich, E.N. & Spudich, J.L. (2001). Photochemical reaction cycle and proton transfers in Neurospora rhodopsin. Journal of Biological Chemistry, 276: 32,495-32,505.

Brown, L.S., Needleman, R. & Lanyi, J.K. (2002). Conformational change of the E-F interhelical loop in the M photointermediate of bacteriorhodopsin. Journal of Molecular Biology, 317: 471-478.

Buckley, D.H., Baumgartner, L.K. & Visscher, P.T. (2003). Archaeal diversity and physiological ecology of methanogens with respect to depth in intertidal microbial mats from Sippewissett salt marsh (Falmouth, MA) [Abstract]. American Society of Limnology and Oceanography (ASLO) Annual Meeting, Salt Lake City, UT.

Burry, L.S. & D'Antoni, H.L. (2001). Analysis de polen del Sur de Chubut (Argentina): Reinterpretacion del perfil del Alero del Ca adon de las Manos Pintadas en base a Analogos Modernos. Asociacion Paleontologica Argentina, Publicacion Especial, 8: 65-72.

Cabrol, N.A., Des Marais, D., Farmer, J., Crumpler, L., Grin, E.A., Milam, K., Grant, J., Greeley, R., Anderson, R.C., Grotzinger, J., Arvidson, R., Simss, M.H., Landis, G., Blaney, D., Learner, Z.A., de Souza Jr., P.A., Weitz, C. & the Athena Science Team. (2004). Spirit at Gusev Crater: Preliminary observations, potential processes, and hypotheses [Abstract]. 35th Annual Lunar and Planetary Science Conference, 2004. 2164.

Cabrol, N.A., Grin, E.A., Carr, M.H., Sutter, B., Moore, J.M., Farmer, J.D., Greeley, R., Kuzmin, R.O., Des Marais, D.J., Kramer, M.G., Newsom, H., Barber, C., Thorsos, I., Tanaka, K.L., Barlow, N.G., Fike, D.A., Urquhart, M.L., Grigsby, B., Grant, F.D. & de Goursac, O. (2003). Exploring Gusev Crater with Spirit: Review of science objectives and testable hypotheses. Journal of Geophysical Research - Planets: Special Mars Exploration Rover (MER) Mission Issue, 108(E12): 17-1 to 17-21.

Cabrol, N.A., Grin, E.A., Prufert-Bebout, L., Rothschild, L. & Hock, A.N. (2005). Field and diving exploration of the highest lakes on Earth: analogy of environment and habitats with early Mars and life adaptation strategies to UV [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:305-6.

Campbell, K.A., Farmer, J.D. & Des Marais, D.J. (2001). Ancient hydrocarbon seeps from the Mesozoic convergent margin of California: Carbonate geochemistry, fluids, and paleoenvironments. Geofluids, 2(2): 63-94. 

Casillas-Martinez, L., Gonzalez, M.L., Fuentes, Z., Nieves, D., Hernandez, C., Ramirez, W., Sytsma, R.E., Perez-Jimenez, J. & Visscher, P.T. (2005). Community structure, geochemical characteristics and mineralogy of a hypersaline microbial mat, Cabo Rojo, PR. Geomicrobiology Journal, 22(6):269-281.

Castenholz, R.W. & Norris, T.B. (2005). Revisionary concepts of species in the cyanobacteria and their applications. Algological Studies, 117:53-69.

Castenholz, R.W. (2004). Phototrophic bacteria under UV stress. In: Seckbach, J. (Ed.). Origins, Evolution and Biodiversity of Microbial Life.  Kluwer Academic Publishers, Dordrecht, 445-461.

Catling, D. & Zahnle, K. (2002). Evolution of atmospheric oxygen. In: J. Holton, J. Curry, & J. Pyle (Eds.). Encyclopedia of Atmospheric Sciences (pp. 754-761). Academic Press, New York, NY.

Catling, D., Zahnle, K. & McKay, C.P. (2002). What caused the second rise of O2 in the late Proterozoic?: Methane, sulfate, and irreversible oxidation [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 569.

Catling, D.C., McKay, C.P. & Zahnle, K.J. (2001). Biogenic methane, hydrogen escape, and the irreversible oxidation of the early Earth. Science, 293: 839-843

Chambers, J. (2002). Terrestrial planet formation in extrasolar systems [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Chambers, J. (2002). The formation of Earth-Like planets in extrasolar systems [NASA Astrobiology Institute General Meeting 2003]. Abstract # 13094, Astrobiology, 2(4): 443.

Chambers, J.E. (2003). The formation of life-sustaining planets in extrasolar systems [Abstract]. 34th Annual Lunar and Planetary Science Conference, March 17-21, 2003, League City, TX. Abstract #2000. 

Chaput, J.C. & Szostak, J.W. (2002). Directed evolution of functional proteins by mRNA display [Abstract]. Cambridge Healthtech Institute's Fourth Annual Phage Display: The Chemistry Set for Proteins (p. 9), Cambridge, MA.

Chaput, J.C. & Szostak, J.W. (2004). Evolutionary Optimization of a Non-Biological ATP-Binding protein for Improved Folding Stability. Chemistry and Biology, 11:865-874.

Cho, G.S. & Szostak, J.W. (Submitted, 2005). Directed evolution of new Zinc-finger ATP-binding proteins using mRNA display.

Cockell, C.S., Lee, P., Osinski, G., Horneck, G. & Broady, P. (2002). Impact-induced microbial endolithic habitats. Meteoritics & Planetary Science, 37: 1287-1298.

Colaprete, A. & Toon O.B. (2002). Carbon dioxide snow storms during the polar night on Mars. Journal of Geophysical Research - Planets,107(E7): 10.1029/2001JE001758.

Colaprete, A. & Toon, O.B. (2002). Carbon dioxide clouds at high altitude in the tropics and in an early dense Martian atmosphere. Journal of Geophysical Research – Planets, 108(E4) art. No. 5025.

Colaprete, A. & Toon, O.B. (2003). Carbon dioxide clouds in an early dense Martian atmosphere. Journal of Geophysical Research - Planets, 108 (E4): 5025.

Colaprete, A., Barnes, J.R., Haberle, R.M., Hollingsworth, J.L., Kieffer, H.H. & Titus, T.N. (2005). Albedo of the south pole on Mars determined by topographic forcing of atmosphere dynamics. Nature, 435(7039):184-188.

Conley, C.A. & Udranszky, I. (2002). Responses of Caenorhabditis elegans to hypergravity [Abstract]. Abstracts with Program. Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, Ca.

Consolmagno, G.J., Rothschild, L.J., Strait, M.M., Britt, D.T. (2005) Can meteorite porosity provide habitats for interplanetary transport of microbes? Meteoritics &  Planetary Science, 40(9,S): A33-A33.

Cruikshank, D.P., Owen, T.C., Dalle Ore, C., Geballe, T.R., Roush, T.L., de Bergh, C., Sandford, S.A., Poulet, F., Benedix, G.K. & Emery, J.P. (2005). A Spectroscopic Study of the Surfaces of Saturn's Large Satellites: H2O Ice, Tholins, and Minor Constituents. Icarus, 175:268-283.

Crumpler, L., Cabrol, N., Des Marais, D., Farmer, J., Golombek, M., Grant, J., Greeley, R., Grotzinger, J., Haskin, L., Arvidson, R., Squyres, S., Learner, Z., Li, R., Madsen, M. B., Malin, M., Payne, M., Parker, T., Seelos, F., Sims, M., de Souza Jr., P., Wang, A., Weitz, C. & the Athena Science Team. (2004). MER field geologic traverse on Gusev Crater, Mars: Initial results from the perspective of Spirit [Abstract]. 35th Annual Lunar and Planetary Science Conference, 2004. 2183.

Curtis, D.B., Glandorf, D.L., Tolbert M.A., Toon, O.B., McKay, C.P. & Khare, B.N. (Submitted, 2003). Laboratory studies of butane nucleation on organic haze particles: Application to Titan's clouds. Journal of Physical Chemistry. 109(7): 1382-1390.

Curtis, D.B., Glandorf, D.L., Tolbert, M.A., Toon, O.B., McKay, C.P. & Khare, B. (In Preparation, 2002). Laboratory studies of butane nucleation on tholins, hexane and acetonitile: Application to Titan's clouds.

Curtis, D.B., Glandorf, D.L., Toon, O.B., Tolbert, M.A., McKay, C.P. & Khare, B.N. (2005). Laboratory Studies of Butane Nucleation on organic haze Particles: Application to Titan's Cloud. J. Phys. Chem. A, 109(7): 1382-1390. 

Curtis, D.B., Rajara, B., Toon, O.B. & Tolbert, M.A. (2002). Laboratory measurement of the temperature-dependent optical constants of water ice in the far-infrared [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 527.

D'Antoni, H. & Skiles, J. (2004). Prediciendo ecosistemas del pasado en America del Sur [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 10.

D'Antoni, H.L. & Detres, Y. (2002). A virtual laboratory [Abstract]. AMPATH Conference. Valdivia, Chile.

D'Antoni, H.L. & Detres, Y. (2002). Marine data virtual laboratory. In: Presentations: First AMPATH International Conference, Valdivia, Chile. Miami, FL: Florida International University.

D'Antoni, H.L. & Mlinarevic, A. (2002). Past sea surface temperatures derived from tree-rings [Abstract]. ECOLAB International Workshop (Estudos de Ecossistemas Costeiros Brasileiros). Belem (Para).

D'Antoni, H.L. & Mlinarevic, A. (2002). Past sea surface temperature derived from tree rings [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

D'Antoni, H.L. & Skiles, J.W. (2005). Hindcasting ecosystems: Exploring the links between Astrobiology and Earth Science [Abstract]. Astrobiology, 5(2):229-230.

D'Antoni, H.L. (2001). A virtual laboratory: NASA Astrobiology Institute, NASA Ames Research Center. [Abstract]. The AMPATH Workshop: Identifying Areas of Scientific Collaboration Between the U.S. and the AMPATH Service Area. Conference Report, Florida International University. Abstract #3.

D'Antoni, H.L. (2001). Astrobiology. A new perspective for pollen analysis and the reconstruction of past climate and environment. In: Salti, Absy & Victoria (Eds.). Amazonia: Um ecossistema em transformacao, Chap. 1 (pp. 1-16). Manaus, Brazil: Instituto Nacional de Pesquisas da Amazonia (INPA).

D'Antoni, H.L. (2001). Virtual laboratory for analysis of marine and atmospheric sensor data. In: Presentations: AMPATH Workshop to Identify Areas of Scientific Collaboration Between the U.S. and the AMPATH Service Area. Miami, FL: Florida International University.

D'Antoni, H.L. (2005). Astrobiología, el origen de la vida y el cambio global [Abstract]. 2as. Jornadas Bioquímicas del Sudeste Bonaerense. Resumenes: 18.

D'Antoni, H.L. (2005). Astrobiología, el origen de la vida y el cambio global. Acta Bioquímica Latinoamericana, 39(3): 381-394.

D'Antoni, H.L., Peterson, D. & Mlinarevic, A. (2002). Rapid rates of change [Abstract]. ECOLAB International Workshop (Estudos de Ecossistemas Costeiros Brasileiros). Belem (Para).

D'Antoni, H.L., Peterson, D.L. & Mlinarevic, A. (2002). Rapid rates of change in South American vegetation linked to "El Nino" southern oscillation [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Davis, S.S. (2004). A beta-viscosity model for the evolving solar nebula [Abstract]. Workshop on Modeling the Structure, Chemistry, and Appearance of Protoplanetary Disks, April 13-17, 2004, Baveria, Germany.

Davis, S.S. (2005). Condensation front migration in a protoplanetary nebula. Astrophysical Journal, 620(2,1): 994-1001.MSMS

Deamer, D.W., Dworkin, J.P., (2005). Chemistry and physics of primitive membranes. In Prebiotic Chemistry: From simple amphiphiles to protocell models. Springer-Verlag, Berlin, 259: 1-27.

Deamer, D.W., Dworkin, J.P., Sandford, S.A., Bernstein, M.P. & Allamandola, L.J. (2003). The first cell membranes. Astrobiology, 2: 371-381.

Decho, A.W., Visscher, P.T. & Reid, R.P. (2005). Changes in Microspatial Organization of Bacteria during Development of Surface Microbial Mats of Marine Lithifying Stromatolites Determined Using Combined FISH/GIS-Image Analyses [Abstract]. European Geophysical Union General Assembly 2005. Vienna, Austria.

Decho, A.W., Visscher, P.T. & Reid, R.P. (2005). The cycling and production of natural microbial exopolymers within marine stromatolite biofilms. Paleogeography Paleoclimatology Paleoecology, 119: 71-86.

Decker K.L.M. & Potter, C.S. (2003). Mathematical model of a marine microbial mat ecosystem II [Abstract]. Eos, Transactions of the American Geophysical Union, 84 (46, Fall Meeting Supplement): Abstract U52C-03.

Decker K.L.M. & Potter, C.S. (2004). Mathematical simulation of the diel O, S, and C biogeochemistry of a hypersaline microbial mat [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): #32.

Decker, K.L.M., Potter, C., Hoehler, T., Orphan, V. & Bebout, B. (2004). A simulation model of methanogenesis in a hypersaline microbial mat [Abstract]. 10th International Symposium on Microbial Ecology ISME-10. Microbial Planet: Subsurface to Space, Cancun, Mexico. #33.

Decker, K.L.M., Potter, C., Hoehler, T.M., Orphan, V.J. & Bebout, B.M. (2005). Methane emission from a simulated hypersaline microbial mat [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5: 253.

Decker, K.L.M., Potter, C.S. & Lim, C. (2005). MBGC -- Biogeochemical Model of Microbial Mats (The First Photosynthetic Ecosystems) [Online].

Decker, K.L.M., Potter, C.S., Bebout, B.M., Des Marais, D.J., Carpenter, S., Discipulo, M., Hoehler, T.M., Miller, S.R., Thamdrup, B., Turk, K.A. & Visscher, P.T. (2005). Mathematical simulation of the diel O, S, and C biogeochemistry of a hypersaline mat. FEMS Microbiology Ecology, 52(3): 377-395.

Decker, K.L.M., Potter, C.S., Hoehler, T.M., Bebout, B.M. & Orphan, V. (In Preparation, 2005). A simulation of methanogenesis from non-competitive substrates and methane emission from hypersaline microbial mats using MBGC (Microbial BioGeoChemistry model).

Dehler, C.M., Elrick, M., Bloch, J.D., Crossey, L.J., Karlstrom, K.E. & Des Marais, D.J. (2005). High resolution d13C stratigraphy of the Chuar Group (ca. 770-742 MA), Grand Canyon: Implications for mid-Neoproterozoic climate change. GSA Bulletin, 117(1/2):32-45.

Des Marais D.J. (2001). Benthic marine cyanobacterial mat ecosystems: Biogeochemistry and biomarkers [Abstract]. Geological Society of America, 2001 Annual Meeting, Boston, MA.

Des Marais, D.J. & Jahnke, L. (2002). Sulfur and carbon isotope fractionation during lithotrophic growth by the hyperthermophilic sulfate reducer Archaeoglobus sp. [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Des Marais, D.J. (2001). Isotopic evolution of the biogeochemical carbon cycle during the Precambrian. In: J.W. Valley & D.R. Cole (Eds.). Stable Isotope Geochemistry, Reviews in Mineralogy and Geochemistry, Vol. 43 (p. 555-578).

Des Marais, D.J. (2001). On the origins of photosynthesis. Science, 291: 436-437.

Des Marais, D.J. (2002). Biogeochemical carbon cycles during the Archean and early Proterozoic [Abstract]. 12th Annual V.M. Goldschmidt Conference 2002 (p. 3), Davos, Switzerland.

Des Marais, D.J. (2002). Environmental consequences of an emerging biosphere [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 444.

Des Marais, D.J. (2002). Microbial mats help us understand our origins and search for distant biospheres [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Des Marais, D.J. (2003). Carbon isotopic biogeochemical clues about the early biosphere [Abstract]. 2003 Abstract Book, GSA (Geological Society of America) Annual Meeting, Seattle, WA. p. 382.

Des Marais, D.J. (2003). Early biogeochemical clues and consequences of an emerging biosphere [Abstract]. Symposium on Organic Geochemistry, Swedish Royal Academy of Sciences, Stockholm, Sweden. p. 5-6.

Des Marais, D.J. (2003). The biogeochemistry of hypersaline microbial mats illustrates the dynamics of modern microbial ecosystems and the early evolution of the biosphere. The Biological Bulletin, 204(2): 160-167. 

Des Marais, D.J. (2004). Biogeochemical cycles of carbon and sulfur on early Earth (and on Mars?) [Abstract]. Second conference on early Mars. Jackson Hole, WY.

Des Marais, D.J. (2004). Did habitable environments once exist in Gusev Crater? Astrobiology and the Mars Exploration Rover Spirit. [Abstract]. AGU Fall Meeting: Abstract #P23B-07. San Francisco, California.

Des Marais, D.J. (2005). Ames Research Center: Linking our origins to our future [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:170.

Des Marais, D.J. (2005). Astrobiology and the exploration of Gusev Crater by the Mars Exploration Rover Spirit [Abstract]. International Society for the Study of the Origins of Life, Beijing, China.

Des Marais, D.J. (2005). Long-term evolution of the biogeochemical carbon cycle [Abstract]. Penrose Conference on Secular Variation in Tectonics and Allied Fields. St. George, UT.

Des Marais, D.J., Allamandola, L.J., Benner, S.A., Boss, A.P., Deamer, D., Falkowski, P.G., Farmer, J.D., Hedges, S.B., Jakosky, B.M., Knoll, A.H., Liskowsky, D.R., Meadows, V.S., Meyer, M.A., Pilcher, C.B., Nealson, K.H., Spormann, A.M., Trent, J.D., Turner, W.W., Woolf, N.J. & Yorke, H.W. (2003). The NASA Astrobiology Roadmap. Astrobiology, 3(2): 219-235.

Des Marais, D.J., Bebout, B.M., Carpenter, S., Discipulo, M. & Turk, K. (2003). Carbon and oxygen budgets of hypersaline cyanobacterial mats: Effects of tidal cycle and temperature [Abstract]. Abstract Book (p. 45), American Society of Limnolology and Oceanography (ASLO) Aquatic Sciences Meeting, Salt Lake City, UT.

Des Marais, D.J., Bebout, B.M., Carpenter, S., Discipulo, M. & Turk, K. (2002). Carbon and oxygen budgets of hypersaline cyanobacterial mats: Effects of tidal cycle and temperature [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 492.

Des Marais, D.J., Clark, B.C., Crumpler, L.S., Farmer, J.D., Grotzinger, J.P., Haskin, L.A., Knoll, A.H., Landis, G.A., Moersch, J., Schröder, C., Wdowiak, T., Yen, A.S. & Squyres, S.W. (2005). Astrobiology and the basaltic plans in Gusev Crater [Abstract]. Lunar and Planetary Science XXXVI: Abstract #2353. Houston, Texas.

Des Marais, D.J., Harwit, M., Jucks, K., Kasting, J.F., Lunine, J.I., Lin, D., Seager, S., Schneider, J., Traub, W. & Woolf, N. (2002). Remote sensing of planetary properties and biosignatures on extrasolar terrestrial planets. Astrobiology, 2(2): 153-181.

Des Marais, D.J., Harwit, M., Jucks, K., Kasting, J.F., Lunine, J.I., Lin, D., Seager, S., Schneider, J., Traub, W. & Woolf, N. (2001). Biosignatures and Planetary Properties to be Investigated by the TPF Mission. NASA Jet Propulsion Laboratory Publication 01-008.

Des Marais, D.J., Turk, K.A., Carpenter, S., Bebout, B.M. (2004). Biogeochemistry of cyanobacterial mats, Guerrero Negro, BCS, Mexico [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): #33.

Dhillon, A., Teske, A., Dillon, J., Stahl, D.A. & Sogin, M.L. (2003). Molecular characterization of sulfate reducing bacteria in the Guaymas basin. Applied and Environmental Microbiology, 69(5): 2765-2772.

Dillon, J., Miller, S., Bebout, B., Crump, A., Sogin, M. & Stahl, D. (2003). Diversity of sulfate-reducing prokaryotes across a redox boundary in a hypersaline microbial mat [Abstract]. Abstracts of Papers, American Society of Limnology and Oceanography Aquatic Sciences Meeting, Salt Lake City, UT.

Dillon, J., Rothrock, M., Garcia-Pichel, F., Des Marais, D. J., Bebout, B. & Stahl, D. (2002). Analysis of bacterial community structure across varying spatial scales [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Dillon, J.G. & Castenholz, R.W. (2003). The synthesis of the UV-screening pigment, scytonemin, and photosynthetic performance in isolates from closely related natural populations of cyanobacteria (Calothrix sp.). Environmental Microbiology, 5(6): 484-491.

Dillon, J.G., Miller, S.R. & Castenholz, R.W. (2003). UV-acclimation responses in natural populations of cyanobacteria (Calothrix sp.). Environmental Microbiology, 5:473-483. 

Dillon, J.G., Tatsumi, C.M., Tandingan, P.G. & Castenholz, R.W. (2002). Effect of environmental factors on the synthesis of scytonemin, a UV-screening pigment, in a cyanobacterium (Chroococcidiopsis sp.). Archives of Microbiology, 177: 322-331.

Dioumaev, A.K., Brown, L.S., Needleman, R. & Lanyi, J.K. (2001). Coupling of the reisomerization of the retinal, proton uptake, and reprotonation of Asp-96 in the N photointermediate of bacteriorhodopsin. Biochemistry, 40: 11,308-11,317.

Dioumaev, A.K., Brown, L.S., Shih, J., Spudich, E.N., Spudich, J.L. & Lanyi, J.K. (2002). Proton transfers in the photochemical reaction cycle of proteorhodopsin. Biochemistry, 41: 5348-5358. 

Dupraz, C. & Visscher, P.T. (2005). Microbial lithification in modern marine stromatolites and hypersaline mats. Trends in Microbiology, 13(9): 429-428.

Dupraz, C., Verrecchia, E.P. & Visscher, P.T. (2004). The role of extracellular polymeric substances (EPS) and sulfate reduction in mirobialite formation of hypersaline lakes (Bahamas) [Abstract]. In: G. Camoin & P. Gautret (Eds.). Microbialites and Microbial Communities in Sedimentary Systems (pp. 45-47). Paris, France: Assocation des Sedimentologistes Francais.

Dupraz, C., Visscher, P.T., Baumgartner, L.K. & Reid, R.P. (2004). Microbe-mineral interactions: early carbonate precipitation in a hypersaline lake (Eleuthera Island, Bahamas). Sedimentology, 51:745-765.

Dworkin, J.P., Bernstein, M.P., Ashbourn, S.F.M., Sandford, S.A., Iraci, L.T. & Allamandola, L.J. (2002). The laboratory production of meteoritic-like molecules in simulated interstellar ices [Abstract]. 10th ISSOL Meeting (International Society for the Study of Origin of Life) and 13th International Conference on the Origin of Life, Oaxaca, Mexico, 30 June-5 July 2002. Oaxaca ISSOL '02, Program and Abstracts.

Dworkin, J.P., Deamer, D.W., Sandford, S.A. & Allamandola, L.J. (2001). Self-assembling amphiphilic molecules: Synthesis in simulated interstellar/precometary ices. Proceedings of the National Academy of Sciences of the United States of America, 98: 815-819.

Dworkin, J.P., Gillette, J.S., Bernstein, M.P., Sandford S.A., Allamandola, L.J., Elsila, J.S.A., McGlothlin, D.R. & Zare R.N. (2004). An evolutionary connection between interstellar ices and IDPs? Clues from mass spectroscopy measurements of laboratory simulations. Advances in Space Research, 33: 67-71.

Dworkin, J.P., Moore, M.H., Deamer, D.W. (2004)  Synthesis of membranous structures from cosmic-ray bombarded interstellar ices in the laboratory. [Abstract].  Abstracts of Papers of the American Chemical Society, 228(1): U692-U692.

Dworkin, J.P., Sandford, S.A., Bernstein, M.P. & Allamandola, L.J. (2002). The laboratory production of complex organic molecules in simulated interstellar ices [Abstract]. Conference Proceedings of the Laboratory Astrophysics Workshop (pp. 198-200), NASA-Ames Research Center, 1-3 May 2002. (NASA Conference Publication-2002-211863).

Dyar, M.D., Treiman, A.H., Pieters, C.M., Hiroi, T. & Lane, M.D. (2005). MIL03346, the most oxidized Martian meteorite: A first look at petrography, mineral chemistry, and spectroscopy. Journal of Geophysical Research, 110(E9): E09005.

Edwards, H.G.M., Moody, C.A., Jorge Villar, S.E. & Mancinelli, R. (2004). Raman spectroscopy of desert varnishes and their rock substrata. Journal of Raman Spectroscopy, 35:475-479.

Ehrenfreundt, P., Bernstein, M.P., Dworkin, J.P., Sandford, S.A. & Allamandola, L.J. (2001). The photostability of amino acids in space.  Astrophysical Journal, 550(1,2): L95-L99.

Elsila, J. & Bernstein, M. (2005). UV Irradiation of Aromatic Nitrogen Heterocycles in Interstellar Ice Analogs [Abstract]. NAI 2005: Biennial Meeting. Astrobiology, 5:191. Boulder, CO.

Elsila, J. & Bernstein, M. (2005). UV Photochemistry of Quinoline in Interstellar Ice Analogs. [Abstract]. Pacifichem. Honolulu, HI.

Elsila, J., Bernstein, M. & Sandford, S. (2005). UV Irradiation of Aromatic Nitrogen Heterocycles in Interstellar Ice Analogs. [Abstract]. 68th Annual Meteoritical Society Meeting, Gatlinburg, TN.

Elsila, J.E., Gillette, J.S., Zare, R.N., Bernstein, M.P., Dworkin, J.P., Sandford, S.A., Allamandola, L.J. (2001) Low temperature ice photochemistry as a source of meteorite and cometary organics. [Abstract]. Abstracts of Papers of the American Chemical Society, 221(1): U540-U540.

Elsila, J.E., Hammond, M.R., Bernstein, M.P. & Zare, R.N. (In Press, 2005). UV Irradiation of Quinoline in Interstellar Ice Analogs, Meteorites and Planetary Science.

Ennico, K., Sandford, S., Allamandola, L., Bregman, J., Cohen, M., Cruikshank, D., Greene, T., Hudgins, D., Kwok, S., Lord, S., Madden, S., McCreight, C., Roellig, T., Strecker, D., Tielens, A. & Werner, M. (2003). The AstroBiology Explorer (ABE) MIDEX Mission Concept _ Identifying Organic Molecules in Space. In: IR Space Telescopes and Instruments. J.C. Mather (Ed.). Proceedings of the SPIE (International Society for Optical Engineering), 4850: 1149-1160.

Ennico, K., Sandford, S., Cox, S., Ellis, B., Gallagher, D., Gautier, N., Greene, T., McCreight, C., Mills, G., Purcell, W. (2002). The AstroBiology Explorer (ABE) MIDEX Mission concept. In: R.B. Hoover, G.V. Levin, R.R. Paepe & A.Y. Rozanov (Eds.). Instruments, Methods, and Missions for Astrobiology IV, San Diego, CA. Proceedings of SPIE, Vol. 4495 (pp. 273-282). Bellingham, WA: The International Society for Optical Engineering.

Fahlen, T. & Mancinelli, R.L. (2002). A rapid fluorescence based viability assay for halophilic Archaea [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 195), NASA Ames Research Center, Moffett Field, CA.

Fahlen, T. & Mancinelli, R.L. (2003). Development of a GFP reporter for use in Halobacterium sp. NRC-1 [Abstract]. American Society for Microbiology, 103rd General Meeting, Washington, DC. Presentation #N 235.

Finke, N., Hoehler, T.M. & Jørgensen, B.B. (2003). Methanogenesis from methanol and methylamine at changing hydrogen concentrations [Abstract]. Forschungszentrum Terramare, Berichte Nr. 12: 50-51.

Finke, N., Hoehler, T.M. & Jørgensen, B.B. (2003). Methanogenesis from methanol and methylamine at changing hydrogen concentrations [Abstract]. Geochimica et Cosmochimica Acta, 67(18, Supplement 1): A97.

Finke, N., Hoehler, T.M. & Jørgensen, B.B. (Submitted, 2006). Competition between methanogenesis and sulfate reduction controlled by interspecies H2 transfer. Applied and Environmental Microbiology.

Fleming, E. D., Bebout, B. M. & Castenholz, R.W. (2006). Effects of salinity and light intensity on the resumption of photosynthesis in a rehydrated cyanobacterial mat from Baja California Sur, Mexico. J. Phycol. (Accepted for publication).

Fleming, E.D. & Castenholz, R.W. (In Preparation, 2006). Chlorophyll fluorescence analysis of photochemical changes in a rehydrated intertidal cyanobacterial mat exposed to variations in salinity and light intensity.

Fleming, E.D. & Castenholz, R.W. (In Preparation, 2006). Effects of nitrogen fixation and nitrogen depletion on scytonemin production in cyanobacteria.

Fleming, E.D. & Castenholz, R.W. (In Preparation, 2006). Scytonemin production in cyanobacteria exposed to periodic desiccation.

Fleming, E.D., Norris, T.B & Castenholz, R.W. (2002). The effects of environmental extremes on cyanobacterial mats: UV radiation and salinity [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 197), NASA Ames Research Center, Moffett Field, CA.

Fleming, E.D., Norris, T.B. & Castenholz, R.W. (2002). The effects of environmental factors on the resumption of photosynthetic activity of cyanobacterial mats following rehydration [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 551.

Fleming, E.D., Norris, T.B. & Castenholz, R.W. (2003). The effects of environmental factors on the resumption of photosynthetic activity of cyanobacterial mats following rehydration [Abstract]. Phycological Society of America Annual Meeting, 14-18 June 2003, Gleneden Beach, OR. Abstract # 39 (p. 49). 

Fleming, E.D., Norris, T.B., Bebout, B.M. & Castenholz, R.W. (2004). Resumption of photosynthesis after prolonged desiccation in an intertidal cyanobacterial mat [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 75.

Foster, J.S., Singh, A.K., Rothschild, L.J. & Sherman, L. (Submitted, 2005). Differential gene expression during the transition from exponential to stationary phase in the cyanobacterium Synechocystis sp. Strain PCC 6803.

Fuchs, M.P., Kubo, M.D.Y. & Hoehler, T.M. (2005). Minimum energy requirements of methanogenic microbes [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:255.

Glandorf, D., Colaprete, A., Tolbert, M.A. & Toon, O.B. (2002). The condensation of carbon dioxide on water ice: Implications for the Martian atmosphere. Icarus, 160: 66-72.

Golden, D.C., Ming, D.W., Morris, R.V., Brearley, A.J., Lauer, H.V.Jr., Treiman, A.H., Zolensky, M.E., Schwandt, C.S., Lofgren, G.E. & McKay, G.A. (2004). Evidence for exclusively inorganic formation of magnetite in Martian meteorite ALH84001. American Mineralogist, 89:681-695.

Gorti, U. & Hollenbach, D. (2004). Models of Chemistry, Thermal Balance, and Infrared Spectra from Intermediate-Aged Disks around G and K Stars. Astrophysical Journal, 613:424-444.

Grin, E.A., Cabrol, N.A., Des Marais, D.J., Farmer, J., Greeley, R., Carr, M., Kramer, M., Moore, J., Sutter, B., Fike, D., Kuzmin, R., Grant, F., Barlow, N., Tanaka, K, Urquhart, M., De Goursac, O. & Grisby, B. (2002). Exploring Gusev with MER A [Abstract]. Eos, Transactions of the American Geophysical Union, 83(47, Fall Meeting Supplement): Abstract # P22A-0385.

Gudipati, M.S. & Allamandola, L.J. (2003). Facile generation and storage of ionized polycyclic aromatic hydrocarbons in astrophysical ices. Astrophysical Journal, 596(3,2): L195-L198.

Gudipati, M.S. & Allamandola, L.J. (2004). PAH Ionization Energy Lowering in Water Ices. Astrophysical Journal Letters, 615:L177-L180.

Gudipati, M.S. & Allamandola, L.J. (2006). Unusual Stability of PAH Radical Cations in Amorphous Water Ices up to 120 K- Astronomical Implications. Astrophysical Journal, 68(1.1): 286-292.

Gudipati, M.S., Dworkin, J.P., Chillier, X.D.F. & Allamandola, L.J. (2003). Luminescence from VUV irradiated cosmic ice analogs and residues. Astrophysical Journal, 583: 514-523.

Habicht, K., Des Marais, D. & Jahnke, L. (2002). Sulfur and carbon isotope fractionation during lithotrophic growth by the hyperthermophilic sulfate reducer Archaeoglobus sp. [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 162), NASA Ames Research Center, Moffett Field, CA.

Harman, P. & Elsila, J. (2005). Extreme Life Forms on Earth and Elsewhere. [Abstract]. California Science Teachers Association, 2005 California Science Education Conference. Palm Springs, CA.

Harman, P. & Elsila, J. (2005). Origins: The Big Question in Life Science [Abstract]. National Association of Biology Teachers, 2005 National Convention. Milwaukee, WI.

Hashimoto, S., Sasaki, M., Takeuchi, H., Needleman, R. & Lanyi, J.K. (2002). Changes in hydrogen bonding and environment of tryptophan residues on helix F of bacteriorhodopsin during the photocycle: A time-resolved ultraviolet resonance Raman study. Biochemistry, 41: 6495-6503.

Heldmann, J., Toon, O., McKay, C., Andersen, D. & Pollard, W. (2003). High Arctic saline springs as analogues for springs on Mars [Abstract]. Eighth International Conference on Permafrost, July 2003.

Heldmann, J., Toon, O., McKay, C., Andersen, D. & Pollard, W. (2002). Cold springs in permafrost on Earth and Mars [Abstract]. 34th Annual Meeting of the Division for Planetary Sciences of the American Astronomical Society, October 2002.

Heldmann, J.L. & Mellon, M.T. (2003). Observations of Martian gullies and constraints on potential formation mechanisms. Icarus, 168: 285-304

Heldmann, J.L. and M.T. Mellon. (2004).Observations of Martian Gullies and Constraints on Potential Formation Mechanisms,Icarus, 168, 285-304.

Heldmann, J.L., Brown. A.J., Clarke, J.D., Martinez, E., Rupert, S.M. and M. Thomas. (In review, 2005). Follow the Water: Applying a Mars Exploration Strategy to the Arkaroola Analog Region, South Australia. In Mars Analog Research, American Astronautical Society Science and Technology Series.

Heldmann, J.L., Pollard, W.H., McKay, C.P., Andersen, D.T., and O.B. Toon. (2005). Annual Development Cycle of an Icing Deposit and Associated Perennial Spring Activity on Axel Heiberg Island, Canadian High Arctic,Arctic, Antarctic, and Alpine Research, 37, 127-135, 2005.

Heldmann, J.L., Toon, O.B., Pollard, W., Mellon, M., Pitlick, J., McKay, C.P. & Andersen, D.T. (2005). Formation of Martian gullies by the flow of liquid water flowing under current Martian environmental conditions. J. Geophys. Res., 110, E05004.

Heldmann, J.L., Toon, O.B., Pollard, W., Mellon, M., Pitlick, J., McKay, C.P. & Andersen, D.T. (Submitted, 2004). Formation of martian gullies by the flow of simultaneously freezing and boiling liquid water. Journal of Geophysical Research.

Henin, J., Pohorille, A. & Chipot, C. (2005). Insights into the recognition and association of transmembrane a-helices. The free energy of a-helix dimerization in Glycophorin A. Journal of the American Chemical Society, 127(23): 8478-8484.

Higbie, M.A., Treiman, A.H., Kiefer, W.S. & Shipp, S.S. (2005). Using a field experience to build understanding of planetary geology [Abstract]. Lunar and Planetary Science XXXVI: Abstr. #2377. Houston (CD-ROM).

Hock, A.N., Cabrol, N.A., Grin, E.A. & Rothschild, L.J. (2005). Ultraviolet radiation and life in high altitude - Lincancabur 2004. [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:255.

Hoehler, T., Bebout, B., Des Marais, D. (2002). A large-magnitude biological source of H2 to the Archaean atmosphere [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Hoehler, T.M. (2003). Temperature regulation of H2 concentrations in anoxic sediments: Implications for interspecies transfer processes [Abstract]. FEMS (Federation of European Microbiologists) Inaugural Workshop on Cold Adaption of Aquatic Microorganisms.

Hoehler, T.M. (2004). Biological energy requirements as quantitative boundary conditions for life in the subsurface. Geobiology, 2:205-215.

Hoehler, T.M. (2005). An energy criterion for habitability [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:222.

Hoehler, T.M. (2005). Biogeochemistry of H2. In: A. Sigel, H. Sigel & R.K.O. Sigel (Eds.). Biogeochemical Cycles of Elements (pp. 9-48). New York: Marcel Dekker.

Hoehler, T.M. (2005). Cretaceous Park? A commentary on microbial paleomics. Astrobiology, 5:95-99.

Hoehler, T.M. (2005). Energetic consequences of physical and chemical gradients [Abstract]. First International Workshop on Gradients in Biogeochemistry. Tubingen, Germany. 

Hoehler, T.M., Albert, D.B., Bebout, B.M. & Des Marais, D.J. (2003). Mechanisms and biogeochemical implications of H2 cycling in microbial mats [Abstract]. NASA Exobiology Principal Investigators' Seventh Triennial Science Conference.

Hoehler, T.M., Albert, D.B., Bebout, B.M. & Des Marais, D.J. (2004). Cycling of fermentation products in hypersaline microbial mats [Abstract]. Abstracts of Papers, Tenth International Symposium on Microbial Ecology, Cancun, Mexico.

Hoehler, T.M., Albert, D.B., Bebout, B.M., Turk, K.A. & Des Marais, D.J. (2004). Quantitative relationships between photosynthetic, nitrogen fixing, and fermentative H2 metabolism in a photosynthetic microbial mat [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA., International Journal of Astrobiology, Supplement 1 (March): 31.

Hoehler, T.M., Alperin, M.J., Albert, D.B. & Martens, C.S. (2003). Energy requirements of H2-utilizing microbes: A boundary condition for subsurface life [Abstract]. NASA Exobiology Principal Investigators' Seventh Triennial Science Conference.

Hoehler, T.M., Alperin, M.J., Albert, D.B. & Martens, C.S. (2004). Energy requirements of hydrogen-utilizing microbes: boundary conditions for subsurface life [Abstract]. Abstracts of Papers, Dark Energy: The Deep Oceanic Biosphere, Woods Hole, MA

Hoehler, T.M., Alperin, M.J., Albert, D.B., Bebout, B.M., Martens, C.S. & Des Marais, D.J. (2002). Comparative ecology of H2 cycling in organotrophic and phototrophic ecosystems. Antonie van Leeuwenhoek, 81: 575-585.

Hoehler, T.M., Bebout, B.M. & Des Marais, D.J. (2001). The role of microbial mats in the production of reduced gases on the early Earth. Nature, 412: 324-327.

Hoehler, T.M., Ward, D.M., Blumberg, B., Des Marais, D.J., Farmer, J., Hinman, N.W., Mancinelli, R.L., Rothschild, L.J. & Tsairides, C. (2005). Astrobiology Outreach Education in Yellowstone National Park [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:278.

Hollenbach, D. & Adams, F. (2004). Dispersal of disks around young stars: Constraints on Kuiper Belt formation. In: L. Caroff, L. J. Moon, D. Backman & E. Praton (Eds). Debris Disks and the Formation of Planets.  San Francisco, CA: Publications of the Astronomy Society of the Pacific. 168-183.

Hollenbach, D. & Adams, F. (2004). The disruption of planet-forming disks. In: D. Johnstone, F. Adams, D. Lin, D. Neufeld, & E. Ostriker (Eds.).  Star Formation in the Interstellar Medium. San Francisco, CA: Publications of the Astronomical Society of the Pacific. 3-20.

Hollenbach, D. & Gorti, U. (In Press, 2006). Studying Gas in Young and Debris Disks Using Spitzer. In: L. Armus (Ed.). New Views of the Cosmos. San Francisco: Astronomical Society of the Pacific Publishing.

Hollenbach, D. & Gorti, U. (In Press, 2005). Infrared Emission from Gas in Optically Thick Disks. In: R. Akeson & R. Millan-Gabet (Eds.). From Disks to Planets. San Francisco: Astronomical Society of the Pacific Publishing.

Hollingsworth, J.L. & Young, R.E. (2005). Modeling extreme atmospheric environments and habitable climates [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Session 2: Extrasolar Planets, Boulder, CO. Astrobiology, 5:209. 

Hudgins, D.M., Bauschlicher Jr., C.W. & Sandford, S.A. (2004). The Impact of Deuteration on the Infrared Spectra of Interstellar Polycyclic Aromatic Hydrocarbons. Astrophys. J., 614:770-780.

Jahnke, L.L., Eder, W., Huber, R., Hope, J.M., Hinrichs, K.-U., Hayes, J.M., Des Marais, D.J., Cady, S.L. & Summons, R.E. (2001). Octopus Spring hyperthermophilic communities compared with those of aquificales representatives. Applied and Environmental Microbiology, 67(11): 5179-5189.

Jahnke, L.L., Embaye, T. & Summons, R.E. (2002). Lipid biomarkers for methanogens in hypersaline cyanobacterial mats from Guerrero Negro, Baja California Sur [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 624.

Jahnke, L.L., Embaye, T., Hope, J., Turk, K.A., van Zuilen, M., Des Marais, D.J., Farmer, J.D. & Summons, R.E. (2004). Lipid biomarker and carbon isotopic signatures for stromatolite-forming, microbial mat communities and Phormidiumcultures from Yellowstone National Park. Geobiology, 2: 31-47.

Jahnke, L.L., Embaye, T., Turk, K.A. & Summons, R.E. (2002). Hypersaline microbial mat lipid biomarkers [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 201), NASA Ames Research Center, Moffett Field, CA.

Jahnke, L.L., Orphan, V., Embaye, T., Turk, K., Kubo, M. & Summons, R.E. (2004). Lipid biomarkers for a hypersaline microbial mat community [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): #75.

Jahnke, L.L., Orphan, V., Embaye, T., Turk, K.A., Kubo, M. & Summons R.E. (2003). Lipid biomarkers and their carbon isotopic signatures for a hypersaline microbial mat community [Abstract]. Abstracts of the General Meeting of the Geological Society of America, Seattle, WA. Paper #187-16.

Jahnke, L.L., Orphan, V., Turk, K., Embaye, T., Kubo, M. & Summons, R. (2005). Liking archaeal molecular diversity and lipid biomarker composition in a hypersaline microbial mat community [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:287.

Keefe, A.D. & Szostak, J.W. (2001). Protein selection using mRNA display. Current Protocols in Molecular Biology, 24: 5.1-5.34.

Keefe, A.D., Wilson, D.S., Seelig, B., Szostak, J.W. (2001). One-step purification of recombinant proteins using a nanomolar-affinity streptavidin-binding peptide, the SBP-tag. Protein Expression and Purification, 23(3): 440-446.

Keller, R. & Bebout, B. (2001). Knowledge representation and collaboration in science [Abstract]. Intelligent Systems Program Human Centered Systems, PI Meeting, NASA Ames Research Center, Moffett Field, CA.

Knoll, A.H., Carr, M., Clark, B., Des Marais, D.J., Farmer, J.D., Fischer, W.W., Grotzinger, J.P., Hayes, A., McLennan, S.M., Malin, M., Schröder, C., Squyres, S., Tosca, N.J. & Wdowiak, T. (2005). An astrobiological perspective on Meridiani Planum. Earth Planet. Sci. Lett., 240(1):179-189.

Kramer, M., Potter, C., Des Marais, D.J. & Peterson, D. (2002). Spatial trends in crater modification and valley network formation across the Martian highlands during the Noachian Period [Abstract]. Abstracts with Program, Astrobiology Science Conference, NASA Ames Research Center, Moffett Field, CA.

Kramer, M.C., Potter, C., Des Marias, D.J. & Peterson, D. (2003). New Insight: A Martian waterway of ancient lakes and discontinuous rivers. Eos, 84(1): 1,6.

Lakatos, M., Groma, G.I., Ganea, C., Lanyi, J.K. & Varo, G. (2002). Characterization of the azide-dependent bacteriorhodopsin-like photocycle of salinarum halorhodopsin. Biophysical Journal, 82: 1687-1695.

Lanyi J.K. (2002). Crystallographic studies of bacteriorhodopsin and its proton transport mechanism. [Abstract]. Abstracts of Papers, 223rd American Chemical Society National Meeting 2002, Orlando, FL. PHYS-214.

Lanyi, J.K. & Luecke, H. (2001). Bacteriorhodopsin. Current Opinion in Structural Biology, 11: 415-419.

Lanyi, J.K. (2001). X-ray crystallography of bacteriorhodopsin and its photointermediates: Insights into the mechanism of proton transport. Biochemistry (Moscow), 66: 1192-1196.

Laughlin, G. & Castellano, T. (2004). Transitsearch.org [Online] website: http://www.transitsearch.org

Laughlin, G. (2003). [Review of the book The Life and Death of Planet Earth, by P.D. Ward & D. Brownlee]. Mercury, 32 (4): 45.

Laughlin, G. (2004). Taking the galactic planetary census [Abstract]. Special Session: Are We Alone? AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA., International Journal of Astrobiology, Supplement 1 (March): 3.

Laughlin, G. (2005). Overview of Giant Planet Formation [Abstract]. Aspen 2005 Winter Conference on Astrophysics. Aspen CO.

Lawson, J., Doran, P.T., Kenig, F., Des Marais, D.J. & Priscu, J.C. (2004). Stable carbon and nitrogen isotopic composition of benthic and pelagic organic matter in lakes of the McMurdo Dry Valleys, Antarctica. Aquatic Geochemistry, 10(3): 269-301.

Lehr, C.R., Frank, S.D., Norris, T.B., D’Imperio, S., Kalinin, A.V., Toplin, J.A., Castenholz, R.W. & McDermott, T.R. (Submitted, 2006). Studies on the ecology of “cyanidia” in an acid-sulfate-chloride spring in Yellowstone National Park.

Levison, H.F., Dones, L., Chapman, CR., Stern, S.A., Duncan, M.J. & Zahnle, K.J. (2001). Could the late lunar bombardment have been triggered by the formation of Uranus and Neptune? Icarus, 151: 286-306.

Lissauer, J.J. & Quintana, E.V. (2005). Terrestrial planet formation around close binary stars [Abstract]. American Astronomical Society, Division on Dynamical Astronomy Meeting #36: Abstract #15.05. Santa Barbara, CA.

Lissauer, J.J. (2005). Overview of planet formation [Abstract]. Space Telescope Science Institute May Symposium: A Decade of Extrasolar Planets Around Normal Stars. Baltimore, MD.

Londry, K.L. & Des Marais, D.J. (2003). Stable carbon isotopic fractionation by sulfate-reducing bacteria. Applied and Environmental Microbiology, 69(5): 2942-2949.

Londry, K.L., Jahnke, L.L. & Des Marais, D.J. (2004). Stable carbon isotope ratios of lipid biomarkers of sulfate-reducing bacteria. Applied and Environmental Microbiology, 70(2): 745-751.

Love, G.D., Bowden, S.A., Jahnke, L.L., Snape, C.E., Campbell, C.N., Day, J.C. & Summons, R.E. (2005). A catalytic hydropyrolysis method for the rapid screening of microbial cultures for lipid biomarkers. Organic Geochemistry, 36:63-82.

Love, G.D., Bowden, S.A., Snape, C.E., Jahnke, L.L. & Summons, R.E. (2004). Rapid screening of microbial cultures and organic macromolecules to assess biomarker lipid contents using catalytic hydropyrolysis [Abstract]. 4th Annual V.M. Goldschmidt Conference. Copenhagen, Denmark.

Luecke, H., Schobert, B., Lanyi, J.K., Spudich, E.N. & Spudich, J.L. (2001). Crystal structure of sensory rhodopsin II at 2.4 angstroms: Insights into color tuning and transducer interaction. Science, 293: 1499-1503.

Mahaffy, P.R., Beaty, D.W., Anderson, M.S., Aveni, G., Bada, J.L., Clemett, S.J., Des Marais, D.J., Douglas, S., Dworkin, J.P., Kern, R.G., Papanastassiou. D.A., Palluconi, F.D., Simmonds, J.J., Steele, A., Waite, J.H., & Zent, A.P. (2004). Report of the Organic Contamination Science Steering Group: The considerations of the Organic Contamination Science Steering Group (OCSSG) regarding the potential impact of terrestrial contamination on the measurement of reduced carbon in future Mars Lander experiments [Abstract]. 35th Annual Lunar and Planetary Science Conference. p. 1385.

Mancinelli, R. L. (2003). Planetary protection and the search for life beneath the surface of Mars. Advances in Space Research, 31(1): 103-107.

Mancinelli, R. (2005). Halophiles: A Terrestrial Analog for Life in Brines on Mars. In: N. Gunde-Cimerman. A. Oren & A. Plemenitas (Eds.). Adaptation to Life at High Salt Concentrations in Archaea, Bacteria, and Eukarya Volume 9 in the series on Cellular Origins, Life in Extreme Habitats and Astrobiology (COLE), edited by J. Seckbach. Springer, Dordrecht, the Netherlands: 577 pages.

Mancinelli, R., Rothschild, L., Hineman, N., Farmer, J.D., Des Marais, D., Ward, D.M. & Tsairides, C. (2002). Astrobiology: Life through space and time. Yellowstone Resources and Issues, Division of Interpretation. Yellowstone, WY: Yellowstone National Park.

Mancinelli, R.L. & Klovstad, M.R. (2001). Extremes in the extreme: Halophiles in space [Abstract]. Ninth International Symposium on Microbial Ecology. Abstract # P.25.022.

Mancinelli, R.L. & Klovstad, M.R. (2001). Martian soil and UV radiation: Microbial viability assessment. Planetary and Space Science, 48: 1093-1097.

Mancinelli, R.L. & Landheim, R. (2002). Mars, permafrost and halophiles [Abstract]. International Workshop on Water in the Upper Martian Surface, Potsdam, Germany, Water and Related Astrobiological Aspects. Abstract #6.

Mancinelli, R.L. & Rothschild, L.J. (2002). Extremophiles: Who, what, where and how. In: McMillan Encyclopedia of Biology, eds. M.T. Madigan and B.L. Marrs, MacMillan Publications, New York, 82-87.

Mancinelli, R.L. (2001). Accessing the Martian deep sub-surface to search for life. Planetary and Space Science, 48: 1035-1043.

Mancinelli, R.L. (2002). Life beyond the planet of origin [Abstract]. American Society for Microbiology, 102nd Annual Meeting, Session #Q262.

Mancinelli, R.L. (2004). The evolution and fate of nitrogen on Mars [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 52.

Mancinelli, R.L. (2005). Microbial life in brines, evaporites and saline sediments: The search for life on Mars. In: T. Tokano (Ed.). Water on Mars (pp. 277-298). Springer.

Mancinelli, R.L., Fahlen, R.F., Landheim, R. & Klovstad, M. (2004). Brines and evaporites: analogs for martian Life. Advances in Space Research, 33:1244-1246.

Mancinelli, R.L., Fahlen, T., Landheim, R. & White, M.R. (2002). Evaporites: Analogs for Martian Life [Abstract]. 34th COSPAR Scientific Assembly / The Second World Space Congress, 10-19 October 2002, Houston, TX.

Matta, J., Ramos, J., Armstrong, R. & D'Antoni, H. (2005). Environmental UVA and UVB threshold doses for apoptosis and necrosis in human fibroblasts. Photochemistry and Photobiology, 81(3):563-568.

Mattioda, A.L., Allamandola, L.J. and Hudgins, D.M. (2005) The UV to Near-IR Optical Properties of PAHs: A Semi-Empirical Model. Astrophysical Journal. 629(2.1): 1183-1187.

Mattioda, A.L., Hudgins, D.M., Allamandola, L.J. (2005) Experimental Near Infrared Spectroscopy of Polycyclic Aromatic Hydrocarbons between 0.7 to 2.5 µm. Astrophysical Journal. 629(2.1): 1188-1210.

Mattioda, A.L., Hudgins, D.M., Bauschlicher, J. & Allamandola, L.J. (2005). Infrared Spectroscopy of Matrix-Isolated Polycyclic Aromatic Compounds and Their Ions. 7. Phenazine, a dual Substituted Polycyclic Aromatic Nitrogen Heterocycle. Advances in Space Research, 36(2): 156-165.

McKay, C., Andersen, D., Pollard, W.H., Heldmann, J.L., Doran, P., Fritsen, C., and J. Priscu, (2004) Polar Lakes, Streams, and Springs as Analogs for the Hydrological Cycle on Mars. In Water on Mars and Life. T. Tokano (Ed), Springer-Verlag, Berlin,

McKenzie, J.A., Vasconcelos, C., Warthmann, R., Mauclaire, L., Meister, P., Van Lith, Y. & Visscher, P.T. (2003). Microbial Ca-Mg carbonate precipitation: Clues for early life and Earth history [Abstract]. Organic Geochemistry Symposium, May 2003, Royal Swedish Academy of Sciences, Stockholm, Sweden.

McSween, H.Y., Arvidson, R.E., Bell III, J.F., Blaney, D., Cabrol, N.A., Christensen, P.R., Clark, B.C., Crisp, J., Crumpler, L.S., Des Marais, D.J., Farmer, J.D., Gellert, R., Ghosh, A., Gorevan, S., Graff, T., Grant, J., Haskin, L.A., Herkenhoff, K.E., Johnson, J.R., Joliff, B.L., Klingelhoefer, G., Knudson, A.T., McLennan, S., Milam, K.A., Moersch, J.E., Morris, R.V., Rieder, R., Ruff, S.W., deSouza, P.A., Squyres, S.W., Wänke, H., Wang, A., Wyatt, M.B., Yen, A. & Zipfel, J. (2004). Basaltic rocks at the Spirit landing site in Gusev Crater. Science, 305(5685): 842-845. 

Megonigal, J.P., Hines, M.E & P.T. Visscher (2003). Anaerobic metabolism and production of trace gases. In: H.D. Holland & K.K. Turekian (Eds). Treatise on Geochemistry. Elsevier, Amsterdam, Netherlands: 8:317-424.

Miller, S.R. & Castenholz, R.W. (2001). Ecological physiology of Synechococcus sp. strain SH-94-5, a naturally occurring cyanobacterium deficient in nitrate assimilation. Applied and Environmental Microbiology, 67: 3002-3009.

Miller, S.R.& Bebout, B.M. (2001). Evolution of the resistance of photosystem II to sulfide in cyanobacteria [Abstract]. VIIth Cyanobacterial Workshop: A Signal Event, July 27-31, 2001, Asilomar, CA.

Miller, S.R., Martin, M., Touchton, J. & Castenholz, R.W. (2002). Effects of nitrogen availability on pigmentation and carbon assimilation in the cyanobacterium Synechococcus sp. strain SH-94-5. Archives of Microbiology, 177(5): 392-400.

Mok, E. H., Smith, H. S., DiBartolomeis, S. M. Kerrebrock, A. W., Rothschild, L. J., Lange, T. S. & Gerbi, S. A.  (2001) Maintenance of the DNA puff expanded state is independent of active replication and transcription.  Chromosoma 110(3): 186-196.

New, M. & Pohorille, A. (2002). "Who or What? Self-replication or function-reproduction in the origin of Life [Abstract]. Abstracts with Program, Second Astrobiology Science Conference 2002. NASA Ames Research Center, Moffett Field, CA.

Norris, T.B. & Castenholz, R.W. (2003). Cryptoendolithic photosynthetic communities within recent and ancient travertine in Yellowstone National Park [Abstract]. 11th ISPP (International Symposium on Phototrophic Prokaryotes) 2003, Tokyo, August 24-29. (p. 72).

Norris, T.B. & Castenholz, R.W. (2003). Cryptoendolithic photosynthetic communities within recent and ancient travertine in Yellowstone National Park [Abstract]. Phycological Society of America General Meeting, 14-18 June 2003, Gleneden Beach, OR. Abstract #97 (p. 69).

Norris, T.B. & Castenholz, R.W. (2003). Effects of environmental stressors on photosynthetic microorganisms in geothermal springs of Yellowstone National Park [Abstract]. Geothermal Biology and Geochemistry Conference in Yellowstone National Park, October 9-11, 2003. (p. 22).

Norris, T.B. & Castenholz, R.W. (In Preparation, 2006). Culture dependent- and independent- analysis of cryptoendolithic photosynthetic communities in ancient and modern travertine from Yellowstone National Park.

Norris, T.B. & Castenholz, R.W. (In Press, 2006). Endolithic photosynthetic communities within ancient and recent travertine deposits in Yellowstone National Park. FEMS Microbiol. Ecol.

Norris, T.B. & Castenholz, R.W. (2005). Effects of environmental stressors on photosynthetic microorganisms in geothermal springs of Yellowstone National Park. In: Inskeep, W.P. & McDermott, T.R. (Eds.). Geothermal Biology and Geochemistry in Yellowstone National Park. Proceedings of the Thermal Biology Institute, Yellowstone National Park, WY. (Montana State University, Bozeman, MT). 221-233.

Norris, T.B., McDermott, T.R. & Castenholz, R.W. (2001, August). The long-term effects of UV radiation (UVR) on the biodiversity and photosynthetic competence of bacteria in hot spring mats [Abstract]. Final Program and Abstracts, 9th International Symposium on Microbial Ecology, ISME-9 (p. 117), Amsterdam, NL.

Norris, T.B., McDermott, T.R. & Castenholz, R.W. (2002). The long-term effects of UV exclusion on the microbial composition and photosynthetic competence of bacteria in hot-spring microbial mats. FEMS Microbiology, 39: 193-209.

Norris, T.B., McDermott, T.R. & Castenholz, R.W. (2002). The long-term effects of UV exclusion on the microbial composition and photosynthetic competence of bacteria in hot spring microbial mats [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 206), NASA Ames Research Center, Moffett Field, CA.

Nuebel U., Bateson, M.M., Vandieken, V., Wieland, A., Kuehl, M. & Ward, D.M. (2002). Microscopic examination of distribution and phenotypic properties of phylogenetically diverse Chloroflexaceaae-related bacteria in hot spring microbial mats. Applied and Environmental Microbiology. 68(9):  4593-4603.

Nuebel, U., Bateson, M.M., Madigan, M.T., Kuehl, M. & Ward, D.M. (2001). Diversity and distribution in hypersaline microbial mats of bacteria related to Chloroflexus spp. Applied and Environmental Microbiology, 67:4365-4371.

Nuebel, U., Bateson, M.M., Vandieken, V., Kuehl, M., & Ward, D.M. (2002). Microscopic examination of distribution and phenotypic properties of phylogenetically diverse Chloroflexaceae-related bacteria in hot spring microbial mats. Applied and Environmental Microbiology, 68: 4593-4603.

Omoregie, E., Crumbliss, L., Bebout, B. & Zehr, J. (2002). Nitrogen fixation in microbial mats [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Omoregie, E., Crumbliss, L., Bebout, B. & Zehr, J. (2002). Nitrogen-fixation in microbial mats [Abstract]. 102nd General Meeting of the American Society for Microbiology, Salt Lake City, UT.

Omoregie, E.O., Crumbliss, L.L., Bebout, B.M. & Zehr, J.P. (2003). NifH diversity and expression in Lyngbya sp. and Microcoleus sp. mats from Guerrero Negro, Mexico [Abstract]. 2003 Aquatic Sciences Meeting, American Society of Limnology and Oceanography, February 9-14, Salt Lake City, UT.

Orphan, V., Jahnke, L., Embaye, T., Turk, K., Kubo, M., Bebout, B., Hogan, M. & Des Marais, D. (2004). Diversity and dynamics of methanogenic Archaea within benthic cyanobacterial mats [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 76.

Orphan, V.J., Goffredi, S.K, Boles, J.R. & Delong, E.F. (2003). Geochemical influence on diversity and microbial processes in high temperature oil reservoirs. Geomicrobiology Journal, 20(4): 295-311.

Orphan, V.J., House, C.H., Hinrichs, K.U., McKeegan, K.D. & DeLong, E.F. (2002). Direct phylogenetic and isotopic evidence for multiple groups of archaea involved in the anaerobic oxidation of methane [Abstract]. 12th Annual V.M. Goldschmidt Conference 2002, Davos, Switzerland. Abstract A571.

Orphan, V.J., Jahnke, L.L., Embaye, T., Turk, K., Kubo, M., Bebout, B.M., Hogan, M., Carpenter, S., Hoehler, T., Discipulo, M. & Des Marais, D.J. (2003). Phylogenetic diversity and metabolic strategies of methanogens associated with hypersaline cyanobacterial mats [Abstract]. 103rd General Meeting, American Society of Microbiology, Washington, DC. Abstract # 3927.

Orphan, V.J., Ussler, W. III, House, C.H., Hinrichs, K.U., & Paull, C.K. (2004). Geological, geochemical, and microbiological heterogeneity of the seafloor around methane vents in the Eel River Basin, offshore California. Chemical Geology, 205: 265-289.

Parenteau, M.N., Embaye, T., Jahnke, L.L., & Cady, S.L. (2003). Microbial biosignatures in high iron thermal springs [Abstract]. Eos, Transactions of the American Geophysical Union, 84 (Fall Meeting Supplement). Abstract #B12B-0778.

Parenteau, M.N., Jahnke, L.L., Embaye, T. & Cady, S.L. (2005). Biosignature formation by cyanobacteria and Chlorofexus in the shallow deposits of a high iron thermal spring [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:291.

Parusel, A.B.J. & Pohorille, A. (2001). A semiempirical study of the optimized ground and excited state potential energy surfaces of retinal and its protonated Schiff base. Journal of Photochemistry and Photobiology B: Biology, 65: 13-21.

Pavlov, A.A. & Kasting, J.F. (2002). Mass-independent fractionation of sulfur isotopes in archean sediments: Strong evidence for an anoxicarchean atmosphere. Astrobiology, 2(1): 27-41.

Pavlov, A.A. (2005). Mystery of the volcanic mass-independent sulfur isotope fractionation signature in the Antarctic ice-core. [Abstract] Geochimica et Cosmochimica Acta, 69(10,S): A446.

Pavlov, A.A., Hurtgen, M.T., Kasting, J.F. & Arthur, M.A. (2003). Methane-rich proterozoic atmosphere? Geology, 31(1): 87-90.

Pavlov, A.A., Pavlov, A.K., Mills, M.J., Ostryakov, V.M., Vasilyev, G.I. & Toon, O.B. (2005). Catastrophic ozone loss during passage of the Solar system through an interstellar cloud. Geophys. Res. Lett., 32.

Pavlov, A.A., Toon, O.B., Pavlov, A.K., Bally, J. & Pollard, D. (2005). Passing through a Giant Molecular Cloud -- Snowball Glaciations produced by interstellar dust. Geophys. Res. Lett. 32(L03705).

Peeters, E., Allamandola, L.J., Bauschlicher, Jr., C.W., Hudgins, D.M., Sandford, S.A., & Tielens, A.G.G.M. (2004). Deuterated interstellar polycyclic aromatic hydrocarbons. Astrophysical Journal, 604(1,1): 252-257.

Peeters, E., Mattioda, A.L., Hudgins, D.M. & Allamandola, L.J. (2004). PAH Emission in the 15 - 21 µm Region. Astrophysical Journal Letters, 617:L65-L68.

Pendleton, Y.P., Allamandola, L.J. (2001). The organic refractory component of the diffuse interstellar medium: Infrared spectroscopic constraints. Astrophysical Journal, 138(Supplement): 75-98.

Pohorille, A. & Deamer, D. (2002). Artificial cells: Prospects for biotechnology. Trends in Biotechnology, 20(3): 123-128.

Pohorille, A. & New, M.H. (2001). Models of protocellular structures, functions and evolution [Abstract]. In: Proceedings of the XIIth Rencontres de Blois: Frontiers of Life Conference, 2000, Chateau de Blois, France, L.M. Celniker and J. Tran Thanh Van (Eds.) The Gioi Publishers, Vietnam,  37-42.

Pohorille, A. & Wilson, M.A. (2001). Unassisted and assisted ion transport across membranes: Insights from computer simulations. Cellular and Molecular Biology Letters, 6(2A): 369-374.

Pohorille, A., Schweighofer, K. & Wilson, M.A. (2005). The origin and early evolution of membrane channels. Astrobiology, 5:1-17.

Pohorille, A., Wilson, M.A. & Chipot, C. (2003). Membrane peptides and their role in protobiological evolution. Origins of Life and Evolution of the Biosphere, 33(2): 173-197.

Pohorille, A., Wilson, M.A. & Schweighofer, K. (2002). The M2 protein channel of influenza virus [Abstract]. Yangtze Conference of Fluids and Interfaces, Scientific Program with Abstracts (p. J6).

Potter, C. & Decker, K.L.M. (2002). Mathematic simulation of hypersaline microbial mats: Modeling effects of bacterial ecosystems on the atmosphere of early Earth [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 209), NASA Ames Research Center, Moffett Field, CA.

Prufert-Bebout, L., Bebout, B., Des Marais, D., Heyenga, G. & Nelson, F. (2002). Environmental regulation of microbial community structure [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 293), NASA Ames Research Center, Moffett Field, CA.

Prufert-Bebout, L., Keller, R., Miller, S. & Jahnke, L. (2002). From field to laboratory: A new database approach for linking microbial field ecology with laboratory studies [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p.294), NASA Ames Research Center, Moffett Field, CA.

Purcell, D. & Rothschild, L. (2002). Naturally-occurring levels of hydrogen peroxide may induce mitosis in algae in nature [Abstract]. Jubilee Meeting of the British Physiological Society, University of Greenwich, Greenwich, England. 

Purcell, D., Rogoff, D & Rothschild, L.J. (2004). Natural UV damage and repair observed in Yellowstone extremophiles [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 61.

Quintana, E.V., Adams, F.C., Lissauer, J.J. & Chambers, J.E. (2005). Terrestrial planet formation in wide binary star systems [Abstract]. American Astronomical Society, Division on Dynamical Astronomy Meeting #36:Abstract #15.04. Santa Barbara, CA.

Rabbette, M., McKay, C., Pilewskie, P., Young, R. & Clanton, S. (2002). The runaway greenhouse effect on Earth and its implications for other planets [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Rabbette, M., Young, R., McKay, C., Pilewskie, P. & Clanton, S. (2004). A possible thermal instability in the greenhouse effect on Earth and its implication for other planets. [Abstract]. Abstract for Poster Presentation, Director's Discretionary Fund, NASA Ames Research Center, Moffett Field, CA.

Rabbette, M., Young, R.E., McKay, C.P., Pilewskie, P., Crunk S. & Clanton, S. (Submitted, 2006). The tropical clear sky runaway greenhouse effect. Geophysical Research Letters.

Reid, R.P., Sumner, D.Y., Dupraz, C. & Visscher, P.T. (2003). Microbial processes forming marine stromatolites – Microbe-Mineral Interactions with a Three-Billion-Year Rock Record In: W.E. Krumbein, D.M. Paterson, G.A. Zavarzin, Fossil and Recent Biofilms: A Natural History of Life on Earth, 103-118.

Ren, L., Martin, C.H., Wise, K.J., Gillespie, N.B., Luecke, H., Lanyi, J.K., Spudich, J.L. & Birge, R.R. (2001). Molecular mechanism of spectral tuning in sensory rhodopsin II. Biochemistry, 40: 13,906-13,914.

Rettberg, P. & Rothschild, L.J. (2002). Ultraviolet radiation in planetary atmospheres and biological implications. In: G. Horneck & C. Baumstark-Khan (Eds.). Astrobiology: The Quest for the Conditions of Life. Springer-Verlag, Heidelberg, Germany. 233-244.

Rettberg, P., Eschweiler, U., Strauch, K., Reitz, G., Horneck, G., Wänke, H., Brack, A. & Barbier, B. (2002). Survival of microorganisms in space protected by meteorite material: Results of the experiment EXOBIOLOGIE of the PERSEUS mission. Advances in Space Research, 30(6): 1539-1545

Richard, D. & Davis, S.S. (2004). A note on transition, turbulence length scales and transport in differentially rotating flows. Astronomy & Astrophysics, 416: 825-827.

Richling, S., Hollenbach, D. & Yorke, H. (In Press, 2005). Destruction of Protoplanetary Disks by Photoevaporation. In: H. Klahr & W. Brandner (Eds.). Planet Formation. Cambridge University Press, Chapter 3. DOI: 10.2277/0521860156 (publication date June 2006)

Rivera T., Gonzalez, M., Visscher, P.T., Hernandez, C., Nieves, D., Ram_rez, W., & Casillas-Martinez, L. (2004). Hypersaline mats as quintessential tools to teach geomicrobiology [Abstract]. American Society for Microbiology, 104th General Meeting, New Orleans, LA.

Roeselers, G., Norris, T.B., Castenholz, R.W., Rysgaard, S., Glud, N., Kühl, M. & Muyzer, G. (Submitted, 2006). Diversity of phototrophic bacteria in microbial mats in Arctic hot springs Greenland.

Rogoff, D., Rothschild, L.J., Bishop, J. & Carpenter, E.J. (2005). The ultraviolet (UV) protection pigment in cyanobacteria, scytonemin: the effects of the external protectant, iron, and its implications for life on Mars [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:317-318.

Rothrock, M.J. & Garcia-Pichel, F. (2004). Microbial diversity of benthic mats along a tidal desiccation gradient [Abstract]. AbsciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 64.

Rothschild, L. (2005). Astrobiology and the strange case of UV radiation [Abstract]. Australian Centre for Astrobiology, Macquarie, Australia.

Rothschild, L. (2005). Astrobiology and the strange case of UV radiation [Abstract]. Physics Department, University of San Francisco, San Francisco, CA.

Rothschild, L. (2005). Do unicellular organisms exist? [Abstract]. Abstracts of Papers, International Society for Evolutionary Protistology 15, Melbourne, Australia.

Rothschild, L. (2005). Extremophiles: defining the envelope for the search for life in the universe [Abstract]. Origins Conference. McMaster University, Ontario.

Rothschild, L.J. & Giver, L.J. (2003). Photosynthesis below the surface in a cryptic microbial mat. International Journal of Astrobiology, 1(4): 295-304.

Rothschild, L.J. & Lister, A. (Eds.). (2003). Evolution on Planet Earth: The Impact of the Physical Environment. Academic Press, New York, N.Y.

Rothschild, L.J. & R.L. Mancinelli (2001) Life in extreme environments.  Nature (London) 409: 1092-1101.

Rothschild, L.J. (2001) Microbial Physiology at High Temperature, Low pH, Low pCO2: Implications for evolution and ecology in Thermophiles. Biodiversity, Ecology and Evolution,  A.L. Reysenbach, M. Voytek and R.L. Mancinelli, eds., Kluwer Academic/ Plenum Publishers, New York. Pp. 125-142.

Rothschild, L.J. (2001). Astrobiology. In: McGraw Hill Encyclopedia of Science and Technology, 2002 (pp. 21-24).

Rothschild, L.J. (2002). Exploiting a hostile world. [Review of the book, Life at the Limits: Organisms in Extreme Environments, by D.A. Wharton]. Nature, 417: 593.

Rothschild, L.J. (2002). Extremophiles on Earth and beyond [Abstract]. International Space Life Sciences Working Group (ISLSWG). International Workshop on The Microbial Ecology and the Space Environment.

Rothschild, L.J. (2002). Is evolution predictable? [Abstract]. Fine Tuning, Windsor Castle, England.

Rothschild, L.J. (2002). Life in extreme environments. Ad Astra, 14: 32-40.

Rothschild, L.J. (2003) The Sun: The Impetus of Life in Evolution on Planet Earth: The Impact of the Physical Environment, L. Rothschild and A. Lister. (Eds).  Academic Press, London. 87-107.

Rothschild, L.J. (2003). Astrobiology: The strange case of radiation [Abstract]. United Kingdom Astrobiology Forum, Cambridge, England.

Rothschild, L.J. (2003). The origin, evolution and distribution of life in the Universe: An astrobiological perspective. In: C. Impey & C. Petry (Eds.). International Symposium on Astrophysics Research and on the Dialogue between Science and Religion. Rome, Italy: Vatican Observatory Publications. Distributed by the University of Notre Dame Press, Notre Dame, IN. 322pp. ISBN 88-209-6890-8

Rothschild, L.J. (2003). The origin, evolution, and distribution of life in the Universe: An astrobiological perspective. In: C. Impey & C. Petry (Eds.). Science and Theology: Ruminations on the Cosmos. Rome, Italy: Vatican Observatory Publications. Distributed by the University of Notre Dame Press, Notre Dame, IN. 165pp. ISBN 88-209-6888-6.

Rothschild, L.J. (2004) Protozoologist (Protistology) at the dawn of the 21st Century.  J. Eukaryotic Microbiol. 51: 3-7

Rothschild, L.J. (In Review, 2006). Is evolution predictable?  Nature.

Rothschild, L.J., Mancinelli, R.L. & Horneck, G. (2002). Life beyond the planet of origin: Microbes in Space. [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology 2(4): 489.

Rothschild, L.J., Mancinelli, R.L., Landheim, R. & Hock, A. (2005). The Search for Interplanetary Pioneers: An unusual hypersaline community from Bolivia [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:265.

Rothschild, L.J., Purcell, D., Rogoff, D. & Wilson, C. (2002). The indirect effect of UV: Some good news for microbes? [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Rouhani, S., Cartailler, J.-P., Facciotti, M.T., Walian, P., Needleman, R., Lanyi, J.K., Glaeser, R.M. & Luecke, H. (2002). Crystal structure of the D85S mutant of bacteriorhodopsin: Model of an O-like photocycle intermediate [Abstract]. Biophysical Society Meeting, Biophysical Journal, 82: 226A.

Rouhani, S., Cartailler, J.P., Facciotti, M.T., Walian, P., Needleman, R., Lanyi, J.K., Glaeser, R.M. & Luecke, H. (2001). Crystal structure of the D85S mutant of bacteriorhodopsin: Model of an O-like photocycle intermediate. Journal of Molecular Biology, 313: 615-628.

Sandford, S., Allamandola, L., Bregman, J., Cohen, M., Cruikshank, D., Dumas, C., Ennico, K., Greene, T., Hudgins, D., Kwok, S., Lord, S., Madden, S., McCreight, C., Roellig, T., Sandford, S., Strecker, D., Tielens, A. & Werner, M. (2003). Organics in the Solar System and the AstroBiology Explorer (ABE) Mission [Abstract 41.09]. 35th DPS (Division of Planetary Science) Meeting, Monterey, CA, 1-6 September 2003. BAAS 35 #4.

Sandford, S., Allamandola, L., Bregman, J., Ennico, K., Greene, T., Hudgins, D., Strecker, D. (2002). Identifying organic molecules in space -- The AstroBiology Explorer (ABE) MIDEX Mission concept. In: R.B. Hoover, G.V. Levin, R.R. Paepe & A.Y. Rozanov (Eds.). Instruments, Methods, and Missions for Astrobiology IV, San Diego, CA. Proceedings of SPIE, Vol. 4495 (pp. 170-181). Bellingham, WA: The International Society for Optical Engineering.

Sandford, S.A. (2001). The Astrobiology Explorer (ABE) Midex Mission concept - Exploring the links between the interstellar medium and meteorites [Abstract]. Meteoritics and Planetary Science, 36: A181.

Sandford, S.A. (2001). The composition of organics and volatiles in the interstellar medium. In: C. Woodward & M.D. Bicay (Eds). Galactic Structure, Stars, and the Interstellar Medium, 4th Tetons Summer Conference, ASP Conference Proceedings Series, Vol. 231 (pp. 152-170). San Francisco, CA: Astronomical Society of the Pacific.

Sandford, S.A. (2004). The Astrobiology Explorer (ABE) MIDEX Mission concept:  Exploring the connections between chemistry in space and life on planets [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 16.

Sandford, S.A. (2005). Organic synthesis in space. In: M. Livio, N. Reid & W. Sparks (Eds.). Astrophysics of Life., Cambridge Univ. Press. (54-66).

Sandford, S.A., Bernstein, M.P. & Allamandola, L.J. (2004). The mid-infrared laboratory spectra of naphthalene (C10H8) in solid H2O. Astrophysical Journal, 607: 346-360.

Sandford, S.A., Bernstein, M.P. & Dworkin, J.P. (2001). Assessment of the interstellar processes leading to deuterium enrichment in meteoritic organics. Meteoritics & Planetary Science, 36(8): 1117-1133.

Sandford, S.A., Bernstein, M.P., & Allamandola, L.J. (2004). On the detection of polycyclic aromatic hydrocarbons in interstellar dense molecular clouds [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 96-97.

Sandford, S.A., Bernstein, M.P., Allamandola, L.J., Goorvitch, D. & Teixeira, T.C.V.S. (2001). The abundances of solid N2 and gaseous CO2 in interstellar dense molecular clouds. Astrophysical Journal, 548: 836-851.

Sandford, S.A., Bernstein, M.P., Dworkin, J.P., Cooper, G.W. & Allamandola, L.J. (2002). The production of amino acids in interstellar ices - Implications for meteoritic organics [Abstract]. 65th Meteoritical Society Meeting, 22-26 July 2002. Meteoritics and Planetary Science, 37(7, Supplement): A125. (Abstract #5013).

Sandford, S.A., Dworkin, J.P., Deamer, D.W. & Allamandola, L.J. (2001). Self-assembling amphiphilic molecules: A possible linkage between interstellar chemistry and meteoritic organics [Abstract]. Meteoritics and Planetary Science, 36: A181-182.

Sato, B.S., Fischer, S.A., Henry, G.W., Laughlin, G., Butler, R.P., Marcy, G.W., Vogt, S.S., Bodenheimer, P., Wolf, A., Ammons, M., Boyd, L., Ida, S., Johnson, J.A., McCarthy, C., Minniti, D., Robinson, S., Strader, J., Tah, K.L., Toyota, E., Valenti, J.A. & Wright, J.T. (2005). The N2K consortium. III. A transiting hot Saturn around HD 149026 with a large solid core. Astrophysical Journal. 633(1.1): 465-473.

Schuerger, A.C., Mancinelli, R.L., Kern, R.G., Rothschild, L.J. and McKay, C.P.  (2003) Survival of Bacillus subtilis on Spacecraft Surfaces under Simulated Martian Environments: Implications for the Forward Contamination of Mars. Icarus, 165: 253-276.

Schulte, M. (2003). The habitability of Mars: Lessons from ophiolites on Earth [Abstract]. American Geophysical Union (AGU) Fall Meeting, 8-12 December 2003, San Francisco, CA.

Schulte, M., Blake, D., Hoehler, T. & McCollom, T. (In Press 2005). Serpentinization and its Implications for Life on the Early Earth and Mars. Astrobiology.6(2).

Segura, T., Toon, O.B., Colaprete, T. & Zahnle, K. (2002). Environmental effects of large impacts on Mars. Science, 298: 1977-1980.

Segura, T.L., Toon, O., Colaprete, A. & Zahnle, K. (2002). Environmental effects of large impacts on Mars: Implication for river formation [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 118), NASA Ames Research Center, Moffett Field, CA.

Segura, T.L., Toon, O., Zahnle, K. & Colaprete, A. (2001). Effects of large impacts on Mars: Implication for river formation [Abstract]. 33rd Annual Meeting of the Division for Planetary Sciences of the American Astronomical Society. Bulletin of the American Astronomical Society, 33: 19.08.

Segura, T.L., Toon, O., Zahnle, K. & Colaprete, A. (2001). Impacts: A source for Martian rivers [Abstract]. European Geophysical Society (EGS) XXVI General Assembly 2001 (p. 229), Nice, France.

Segura, T.L., Toon, O.B. & Colaprete, A. (2003). Time-dependent calculations of an impact-triggered runaway greenhouse atmosphere on Mars [Abstract]. Sixth International Conference on Mars, Pasadena, CA, July, 2003

Segura, T.L., Toon, O.B. & McKay, C.P. (2004). An impact-triggered runaway greenhouse on Mars [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 78.

Segura, T.L., Toon, O.B. & McKay. C.P. (2004). An impact-triggered runaway greenhouse on Mars [Abstract]. Sixth International Conference on Mars, Pasadena, CA.

Segura,T.L, Toon, B., Zahnle, K. & Colaprete, A. (2002). Formation of rivers from the effects of large impacts on Mars [Abstract]. American Geophysical Union, Fall Meeting, December 6-10, 2002, San Francisco, CA. Abstract #P51B-0349.

Segura. T.L. Toon, O., Colaprete, A. & Zahnle, K. (2002). Effects of large Impacts on Mars: Implication for river formation [Abstract]. Abstracts of Papers, 33rd Lunar and Planetary Science Conference, Houston, TX. Abstract #1900.

Sessions, A., Jahnke, L., Schimmelmann, A. & Hayes, J. (2002). Sources of hydrogen and H-isotopic fractionations in bacterial lipid biosynthesis [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 176), NASA Ames Research Center, Moffett Field, CA.

Sessions, A.L., Jahnke, L.L., Schimmelmann, A. & Hayes, J.M. (2002). Hydrogen isotope fractionation in lipids of the methane-oxidizing bacterium, Methylococcus capsulatus. Geochimica et Cosmochimica Acta, 66: 3955-3969.

Sessions, A.L., Jahnke, L.L., Schmmelmann, A. & Hayes, J.M. (2002). Methane-derived hydrogen in lipids produced by aerobic methanotrophs [Abstract]. Eos, Transactions of the American Geophysical Union, 82(47, Fall Meeting Supplement): Abstract B12B-0126.

Severman, S., Johnson, C.M., Beard, B.L., Yevenes, M., Huerta-Diaz, M.A., Thamdrup, B., Hoehler, T.M. & Welch, S. (2004). Fe and S isotope variations in cyanobacterial mats: modern analogues of ancient stromatolites [Abstract]. 2004 Fall American Geophysical Union Meeting, San Francisco, CA. Eos Transactions AGU, 85(47, Fall Meeting Supplement):Abstract V51A-0521.

Shepard, R., Prufert-Bebout, L. & Parsons-Hubbard, K. (2002). Mysterious microbes in mounds: Cyanobacterial communities and texture in modern Bahamian stromatolites [Abstract]. Geological Society of America, Joint Annual Meeting of the North-Central Section (36th) and Southeastern Section (51st), April 3-5, 2002, Lexington, Kentucky. Abstract # 32562.

Sleep, N.H., Zahnle K.J. & Neuhoff, P.S. (2001). Initiation of clement surface conditions on the earliest Earth. Proceedings of the National Academy of Sciences of the United States of America, 98: 3666-3672.

Stolz, J.F., Feinstein, T.N., Salsi, J., Visscher, P.T. & Reid, R.P. (2001). Microbial role in sedimentation and lithification in a modern marine stromatolite: A TEM perspective. American Mineralogist, 86: 826-833.

Summons, R., Jahnke, L., Cullings, K. & Logan, G. (2002). Absence of sterol biosynthesis in cyanobacteria [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002 (p. 1511), NASA Ames Research Center, Moffett Field, CA.

Summons, R.E., Embaye, T., Jahnke, L.L. & Baumgartner, M. (2002). Molecular signatures of methanogens in cultures and environmental samples [Abstract]. Eos, Transactions of the American Geophysical Union, 83(47, Fall Meeting Supplement): Abstract B51B-0723.

Summons, R.E., Embaye, T., Jahnke, L.L. & Baumgartner, M. (2002). New ether lipid biomarkers from a hyperthermophilic methanogen [Abstract]. 12th Annual V.M. Goldschmidt Conference 2002, Davos, Switzerland. Abstract A752.

Summons, R.E., Jahnke, L.L., Cullings, K.W., Logan, G.A. (2001). Cyanobacterial biomarkers: Triterpenoids plus steroids? [Abstract]. Eos, Transactions of the American Geophysical Union, 82(47, Fall Meeting Supplement): Abstract B22D-0184.

Systma, R.E., Buckley, D.H., Des Marais, D.J. & Visscher, P.T. (2002). Production and consumption of reduced C1-gases in microbial mats [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 476.

Sytsma, R.E., Casillas-Martinez, L. & Visscher, P.T. (2004). As the salinity cycle turns: Methane production in hypersaline mats of Combate, Puerto Rico [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 76.

Talbot, H.M., Summons, R., Jahnke, L. & Farrimond, P. (2003). Characteristic fragmentation of bacteriohopanepolyols during atmospheric pressure chemical ionization liquid chromatography/ion trap mass spectrometry. Rapid Communications in Mass Spectrometry, 17: 2788-2796

Thamdrup, B., Bebout, B.M. & Des Marais, D.J. (2003). The effect of sulfate concentration on sulfur cycling in a phototrophic hypersaline microbial mat [Abstract]. Abstract Book (p. 128), American Society of Limnolology and Oceanography (ASLO) Aquatic Sciences Meeting 2003, Salt Lake City, UT.

Thamdrup, B., Bebout, B.M., Des Marais, D.J. & Berg, P. (2004). The effect of sulfate concentrations on rates and sulfur isotope signatures of sulfate reduction in a phototrophic microbial mat [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 29.

Tian, F., Toon, O.B., Pavlov, A.A. & DeSterck, H. (2005). A hydrogen-rich early earth atmosphere. Science, 308:1014.

Tian, F., Toon, O.B., Pavlov, A.A. & DeSterk, H. (2005). Transonic hydrodynamic escape of hydrogen from extrasolar planetary atmospheres. Astrophysical Journal, 621(2):1049-1060 Part 1.

Tian, R., Toon, O.B. & Pavlov, A.A. (2005). Hydrogen concentration in prebiotic Earth's atmosphere [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:183.

Tolbert, M.A., Trainer, M.G., Curtis, D.B., Toon, O.B., Pavlov, A.A., McKay, C.P., Khare, B.N., Delia, A.E. & Worsnop, D.R. (2002). Laboratory studies of organic polymer particles: Implications for early Earth [Abstract]. American Geophysical Union, Fall Meeting, San Francisco, CA.

Toplin, J. A., Lehr, C.R., McDermott, T.R. & Castenholz, R.W. (In Preparation, 2006). The thermo-acidophilic Cyanidiales: phylogenetic and physiological diversity in Yellowstone National Park.

Trainer, M.G., Curtis, D.B., Delia, A.E., Toon, O.B., Tolbert, M.A., McKay, C.P. & Worsnop, D.R. (2002). Mass spectrometric laboratory studies of tholin particles: Application to early Earth and Titan [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Trainer, M.G., Curtis, D.B., Delia, A.E., Toon, O.B., Tolbert, M.A., McKay, C.P. & Worsnop, D.R. (2002). Laboratory studies of early Earth tholin particles [Abstract]. NASA Laboratory Astrophysics Workshop, NASA Ames Research Center, Moffett Field, CA.

Trainer, M.G., Curtis, D.B., Pavlov, A.A., Delia, A.E., Toon, O.B., Tolbert, M.A, McKay, C.P. & Worsnop, D.R. (2002). Laboratory investigations into the production of organic haze aerosols: Focus on the early Earth [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 579.

Trainer, M.G., DeWitt, H.L., Pavlov, A.A., Jimenez, J.L., McKay, C.P., Worsnop, D.R., Toon, O.B. & Tolbert, M.A. (2005). Organic Haze Aerosols on the Early Earth: A Laboratory Investigation [Abstract]. AGU Fall Meeting. San Francisco, CA.

Trainer, M.G., DeWitt, H.L., Pavlov, A.A., Jimenez, J.L., McKay, C.P., Worsnop, D.R., Toon, O.B. & Tolbert, M.A. (2005). Properties of organic haze particles produced in simulated early Earth atmospheres [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:190.

Trainer, M.G., Pavlov, A.A., Curtis, D.B., McKay, C.P., Worsnop, D.R., Delia, A.E., Toohey, D.W., Toon, O.B. & Tolbert, M.A. (2004). Haze aerosols in the atmosphere of early Earth: Manna from heaven. Astrobiology, 4:409-419.

Trainer, M.G., Pavlov, A.A., Jimenez, J.L, McKay, C.P., Worsnop, D.R., Toon, O.B. & Tolbert, M.A. (2004). Chemical composition of Titan’s haze: Are PAHs present? Geophysical Research Letters, 31,L17S08.

Treiman, A.H. (2005). Olivine and carbonate globules in ALH84001: A terrestrial analog, and implications for water on Mars [Abstract]. Lunar and Planetary Science XXXVI: Abstr. #1107. Lunar and Planetary Institute, Houston (CD-ROM).

Treiman, A.H. (2005). The nakhlite Martian meteorites: Augite-rich igneous rock from Mars. Chemie der Erde. Geochemistry, 65(3): 203-270.

Trivi de Mandri, M.E & D'Antoni, H.L. (2001). Relacion polen actual-informacion satelital para el norte de la Provincia de Santa Cruz. Asociacion Paleontologicva Argentina, Publicacion Especial, 8: 73-81.

Tsairides, C., Chalfant, D., Des Marais, D.J., Farmer, J., Hinman, N., Mancinelli, R., Rothschild, L., Ward, D. & Young, L. (2002). Yellowstone National Park offers public access to astrobiology [Abstract: NASA Astrobiology Institute General Meeting, 2003]. Astrobiology, 2(4): 450.

Turk, K.A., Orphan, V.J., Prufert-Bebout, L.E., Bebout, B.M., Jahnke, L.L., Kubo, M.D.Y., Embaye, T. & Des Marais, D.J. (2005). Geochemical and population changes in a hypersaline microbial mat maintained at lower salinities [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder CO. Astrobiology, 5:269.

Visscher, P.T. & Stolz, J. (2005). Microbial mats as bioreactors: populations, processes, and products. Paleogeography, Paleoclimatology and Paleoecology, 219(1-2): 87-100.

Visscher, P.T. (2003). Understanding microbial mats: Spatial and temporal fluctuations of metabolic processes [Abstract]. American Society of Limnology and Oceanography (ASLO) Annual Meeting, Salt Lake City, UT.

Visscher, P.T., Baumgartner, L.K, Dupraz, C.D., Reid, R.P., Vasconcelos, C., & McKenzie, J.A. (2004). Minerals as a permanent biogenic record in hypersaline microbial mats [Abstract]. AbSciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 76-77.

Visscher, P.T., Baumgartner, L.K., Buckley, D.H., Rogers, D.R., Hogan, M., Raleigh, C.R., Turk, K. & Des Marais, D.J. (2003). Dimethyl sulfide and methanethiol formation in microbial mats: Potential pathways for biogenic signatures. Applied and Environmental Microbiology, 5(4): 296-308.

Visscher, P.T., Baumgartner, L.K., Dupraz, C., Przekop, K.M., Reid, R.P. & Decho, A.W. (2005). The role of sulfate-reducing bacteria in producing biosignatures in microbial mats [Abstract]. 2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO. Astrobiology, 5:248.

Visscher, P.T., Des Marais, D.J., Reid, R.P., Vasconcelos, C. & McKenzie, J.A. (2003). Decoupling of coupled element cycles in early microbial ecosystems: Origin of biogenic signatures in atmosphere and lithosphere [Abstract]. Organic Geochemistry Symposium, May 2003, Royal Swedish Academy of Sciences, Stockholm, Sweden.

Visscher, P.T., Dupraz, C., Baumgartner, L.K., Decho, A.W. & Reid, R.P. (2005). The role of sulfate-reducing bacteria in lithification of microbial mats [Abstract]. European Geophysical Union Genreal Assembly 2005. Vienna, Austria.

Visscher, P.T., Dupraz, C., Reid, R.P., Stolz, J.F. & Decho, A.W. (2004). Decoupling of coupled element cycles in early microbial ecosystems: Origin of biogenic signatures in the rock record? [Abstract]. In: G. Camoin & P. Gautret (Eds.). Microbialites and Microbial Communities in Sedimentary Systems (pp. 109-110). Paris, France: Assocation des Sedimentologistes Francais.

Visscher, P.T., Reid, R.P., McKenzie, J.A. & Vasconcelos, C. (2002). Geomicrobial mechanisms of carbonate precipitation: Novel insights from laminated structures [Abstract]. 12th Annual Goldschmidt Conference 2002, Davos, Switzerland. Geochimica Cosmochimica Acta, 66(Supplement 1): A808.

Visscher, P.T., Surgeon, T.M., Hoeft, S.E., Bebout, B.M., Thompson, Jr., J. & Reid, R.P. (2002). Microelectrode studies in modern marine stromatolites: Unraveling the Earth's past? In: M. Taillefert & T. Rozan (Eds.). American Chemical Society Symposium Series 220. Electrochemical Methods for the Environmental Analysis of Trace Metal Biogeochemistry (pp. 265-282). New York, NY: Oxford University Press.

Vogel, M.B., Des Marais, D.J., Zinniker, D. & Moldowan, J.M. (2005). Branched alkanes in Precambrian manganese carbonates and modern hypersaline environments [Abstract]. International Meeting on Organic Geochemistry. Seville, Spain.

Ward, D.M. (2003). Mats as models for studying the diversity, ecology, evolution, and physiology of microorganisms within modern and ancient microbial communities [Abstract]. American Society of Limnolology and Oceanography Annual Meeting, Salt Lake City, UT.

Ward, D.M. (2004). Microbiology/astrobiology outreach education in Yellowstone National Park [Abstract]. AbsciCon 2004, NASA Ames Research Center, Moffett Field, CA. International Journal of Astrobiology, Supplement 1 (March): 90.

Ward, D.M. (2004). Microorganisms of Yellowstone Park. In: Yellowstone Resources and Issues, Division of Interpretation. Yellowstone, WY: Yellowstone National Park.

Ward, D.M., Blumberg, B., Des Marais, D., Farmer, J., Hinman, N., Hoehler, T., Mancinelli, R., Rothschild, L.J. & Tsairides, C. (2005). Microbiology/Astrobiology in Yellowstone Resources and Issues 2004, Division of Interpretation, Yellowstone National Park.

Warren-Rhodes, K., McKay, C. & Rothschild, L. (2002). Life in extreme high and low places: Astrobiology in the Turpan Depression and Qaidam Basin, Qinghai-Tibetan Plateau, China [Abstract]. Abstracts with Program, Astrobiology Conference 2002, NASA Ames Research Center, Moffett Field, CA.

Weisman, J.L., Mattioda, A.L., Lee, T.J., Hudgins, D.M., Bauschlicher, C.W., Allamandola, L.J., Head-Gordon, M. (2005) Electronic Transitions in the IR: Matrix isolation spectroscopy and electronic structure theory calculations on polyacenes and dibenzopolyacenes, J. Phys. Chem. Chem. Phys., 7(1): 109-118.

Welch, S.A., Johnson, C.M., Beard. B.L. & Des Marais, D.J. (2002). Fe isotope fractionation in modern microbial mats [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 621-622.

Wilson, M.A., Schweighofer, K.S. & Pohorille, A. (2004). Structure, Function and Origin of Simple Membrane Proteins [Abstract]. American Chemical Society, 2004 Summer National Meeting, Philadelphia, PA.

Zahnle, K. & Sleep, N. (2002). Impacts and the habitability of the Hadean Earth [Abstract]. Abstracts with Program, Astrobiology Science Conference 2002. NASA Ames Research Center, Moffett Field, CA.

Zahnle, K. (2003). Hadean Earth [Abstract]. 13th V.M. Goldschmidt Conference 2003. Kurashiki, Japan. Abstract #5200.

Zahnle, K., Dones, L., Levison, H. & Schenk, P. (2003). Cratering rates in the outer solar system [Abstract]. 34th Lunar and Planetary Science Conference, 17-21 March 2003. Houston, TX.

Zahnle, K., Dones, L., Levison, H. & Schenk, P. (2003). Cratering rates in the outer solar system. Icarus, 36(2): 263-289.

Zahnle, K., Sleep, N. & Nimmo, F. (2002). Heat flow and helium and argon degassing in whole mantle convection [Abstract: NASA Astrobiology Institute General Meeting 2003]. Astrobiology, 2(4): 577.

Zahnle, K., Sleep, N. & Nimmo, F. (2003). Heat flow and helium and argon degassing in whole mantle convection [Abstract]. 13th V.M. Goldschmidt Conference 2003. Kurashiki, Japan. Abstract #5201.

Zahnle, K., Sleep, N. & Nimmo, F. (2003). Heat flow and helium and argon degassing in whole mantle convection, [Abstract]. Geochimica et Cosmochimica Acta, 67(18.1):A574.

Zahnle, K.J. (2001). The decline and fall of the martian empire. Nature, 412: 209-213.

(Go to Top of Page)

_____________________________________________________________________________________
Home | About the Ames Team | Research | Education and Public Outreach | Team Members
Curriculum Vitae | Publications | Photo Gallery | Related Links | Sitemap | Contact Us
NASA Ames Research Center | NASA Astrobiology Institute