High Numbers of Prosthecate Bacteria in Pulp Mill Waste Aeration Lagoons

Appl Environ Microbiol. 1979 May; 37(5): 1007–1011.

PMCID: PMC243339

Patricia M. Stanley,^† Erling J. Ordal, and James T. Staley

¹Department of Microbiology and Immunology, University of Washington, Seattle, Washington 98195

^† Present address: Department of Microbiology, University of Minnesota, Minneapolis, MN 55455.

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Abstract

Prosthecate bacteria comprised 0.6 to 10.5% of the bacterial community in samples from 11 pulp mill waste aeration lagoons. Because of their distinct morphology, the genera Ancalomicrobium, Caulobacter, Prosthecobacter, Prosthecomicrobium, Stella, and Hyphomicrobium or Hyphomonas could be identified and enumerated by direct microscopic examination. Monthly samples from one lagoon showed that several genera varied from undetectable to predominant among the appendaged organisms. Temperature (season), type of wood pulped, and pulping process did not significantly affect the density of prosthecate bacteria.

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Selected References

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Beliaev, SS. Rasprostranenie gruppy Caulobacter v vodokhranilishchakh Volgo-Dona. Mikrobiologiia. 1967 36(1):157–162.Jan–Feb; [PubMed]
Staley, JT. Incidence of prosthecate bacteria in a polluted stream. Appl Microbiol. 1971 Oct;22(4):496–502. [PubMed]