[Home] [ICTV Taxonomy - Index of Viruses] [Virus Descriptions] [Character List] [Picture Gallery]
[Tutorial] [Online Data Retrieval & Identification] [Virus Isolate Registration & Submission] [Search]
Descriptions are generated automatically from the ICTVdB database including links. Some descriptions are only very basic and links may point to documents that are not yet published on the Web.

00.093. Nanoviridae

Cite this publication as: ICTVdB Management (2006). 00.093. Nanoviridae. In: ICTVdB - The Universal Virus Database, version 3. Büchen-Osmond, C. (Ed), Columbia University, New York, USA

Cite this site as: ICTVdB - The Universal Virus Database, version 4. http://www.ncbi.nlm.nih.gov/ICTVdb/ICTVdB/

Table of Contents

Classification

This is a description of a plant virus at the family level.

ICTVdB Virus Code: 00.093. Virus accession number: 00093FAM.
NCBI Taxon Identifier NCBI Taxonomy ID: 251095.

Virion Properties

Morphology

Virions consist of a capsid. Virus capsid is not enveloped, round with icosahedral symmetry. The isometric capsid has a diameter of 17-20.2-26 nm. The capsomer arrangement is not obvious.

Electron microscopic preparation and references: Virus preparation contains few virions, or many virions.

Physicochemical and Physical Properties

Virions have a buoyant density in CsCl of 1.28-1.34 g cm-3. There are 1 sedimenting component(s) found in purified preparations. A260/A280 ratio is 1.35-1.375-1.4.

Nucleic Acid

The Mr of the genome constitutes 16-16.5-17% of the virion by weight. The genome is segmented and consists of six segments of to eight segments of circular, single-stranded DNA. The complete genome is 1290-2325-3360 nucleotides long.
RNA-1 is about 890-1147-1300 nucleotides long
RNA-2 is about 880-1090-1300 nucleotides long.
RNA-3 is about 880-1025-1171 nucleotides long
RNA-4 is about 870 nucleotides long.
The genome has an intergenic poly (A) region.

GenBank records for nucleotide sequences; complete genome sequences.

Proteins

Proteins constitute about 83-83.5-84% of the particle weight.

The viral genome encodes structural proteins. Virions consist of 1 structural protein(s).

Lipids

Lipids are not reported.

Biological Properties

Natural Host

Domain
Viral hosts belong to the Domain Eucarya.

Domain Eucarya
Kingdom Plantae.

Kingdom Plantae
Phylum Magnoliophyta (Angiosperms, Class Magnoliopsida (Dicotyledonae), or Liliopsida (Monocotyledonae).

Severity and Occurrence of Disease

Host: Signs and symptoms persist.

Transmission and Vector Relationships

Virus is transmitted by a vector. Virus is not transmitted by mechanical inoculation; transmitted by grafting, or not transmitted by grafting; not transmitted by contact between hosts; not transmitted by seeds; not transmitted by pollen.

Vector Transmission:
Virus is transmitted by arthropods, by insects of the order Hemiptera, family Aphididae. Virus is transmitted in a semi-persistent manner, or in a persistent manner; retained when the vector moults; does not replicate in the vector; not transmitted congenitally to the progeny of the vector.

Experimental Hosts and Symptoms

Under experimental conditions susceptibility to infection by virus is found in few families. Susceptible host species are found in the Family Chenopodiaceae, Leguminosae-Caesalpinioideae, Leguminosae-Papilionoideae, Musaceae, Palmae, Solanaceae. The following species were susceptible to experimental virus infection: Arachis hypogaea, Astragalus sinicus, Cassia tora, Cicer arietinum, Cocos nucifera, Crotalaria intermedia, Crotalaria spectabilis, Datura stramonium, Desmodium intortum, Glycine max, Lablab purpureus, Lathyrus odoratus, Lens culinaris, Macroptilium lathyroides, Macrotyloma uniflorum, Medicago, Medicago arabica, Medicago hispida, Medicago hispida var. denticulata, Medicago lupulina, Medicago minima, Medicago orbicularis, Medicago polymorpha, Medicago sativa, Medicago scutellata, Melilotus albus, Melilotus indicus, Melilotus officinalis, Musa, Musa sapientum, Nicotiana glutinosa, Nicotiana rustica, Nicotiana tabacum, Onobrychis biebersteinii, Onobrychis viciifolia, Phaseolus vulgaris, Pisum sativum, Spinacia oleracea, Trifolium, Trifolium cernuum, Trifolium dubium, Trifolium glomeratum, Trifolium incarnatum, Trifolium pannonicum, Trifolium pratense, Trifolium repens, Trifolium subterraneum, Trigonella procumbens, Vicia faba, Vicia palaestina, Vicia sativa, Vicia villosa, Vigna angularis, Vigna unguiculata, Vigna unguiculata ssp. sesquipedalis , Wisteria sinensis.

Experimentally infected insusceptible Hosts: Families containing insusceptible hosts: Amaranthaceae, Caryophyllaceae, or Chenopodiaceae, Compositae, Cruciferae, Cucurbitaceae, Geraniaceae, Labiatae, Leguminosae-Papilionoideae, Linaceae, Scrophulariaceae, or Solanaceae, Tetragoniaceae, Vitidaceae. Species inoculated with virus that do not show signs of susceptibility: Antirrhinum majus, Arachis hypogaea, Beta vulgaris, Brassica campestris ssp. napus, Capsella bursa-pastoris, Chenopodium amaranticolor, Cicer arietinum, Crambe abyssinica, Cucumis sativus, Cucurbita pepo, Datura stramonium, Erodium moschatum, Glycine max, Gomphrena globosa, Lactuca sativa, Lathyrus odoratus, Linum usitatissimum, Lupinus albus, Lycopersicon esculentum, Medicago sativa, Melilotus albus, Ocimum basilicum, Petunia x hybrida, Senecio vulgaris, Spinacia oleracea, Stellaria media, Tetragonia tetragonioides, Trifolium hybridum, Trifolium pratense, Trifolium repens, Vicia villosa, Vigna unguiculata, Vitis rupestris.

Histopathology: Virions are found in the cytoplasm, or cell vacuole.

Cytopathology: Inclusions are not present in infected cells.

Geographical Distribution

The virus spreads in Africa, or Australasia and Pacific Islands. The virus occurs in Australia, or Burundi, or Egypt, or Ethiopia, or Gabon, or Japan, or Jordan, or Lebanon, or Morocco, or the Philippines, or Syria, or Taiwan, or Turkey, or Vanuatu.

Unassigned Viruses

List of Unassigned Viruses in the Family.

References

The following generic references are cited in the most recent ICTV Report.

PubMed References.

Taxonomic Proposals and Changes

A taxonomic proposal has been submitted to the ICTV by the Plant Virus Subcommittee, Study Group for Caulimoviridae at the meeting in Houston, March 2002, to create a new taxon (Nanoviridae). The proposal has been approved at the meeting of the Executive Committee in Paris, 2002, the taxon has been designated as Family.



Limit search to: Title & Body Title Document Path
Show Reverse Sort

DELTA - DEscription Language for TAxonomy developed by Dr Mike Dallwitz, Toni Paine and Eric Zurcher, CSIRO Entomology, Canberra, Australia. ICTVdB - The Universal Virus Database, developed for the International Committee on Taxonomy of Viruses by Dr Cornelia Büchen-Osmond is written in DELTA. The virus descriptions in ICTVdB are coded by, or using data from experts in the field of virology or members ICTV. The character list is the underlying code. All virus descriptions are based on the character list and natural language translations are automatically generated and formatted for display on the Web from the descriptions in DELTA-format. The description has been generated automatically from DELTA files. DELTA - DEscription Language for TAxonomy developed by Dr Mike Dallwitz, Toni Paine and Eric Zurcher, CSIRO Entomology, Canberra, Australia.

ICTVdB - The Universal Virus Database, developed for the International Committee on Taxonomy of Viruses (ICTV) by Dr Cornelia Büchen-Osmond, is written in DELTA. The virus descriptions in ICTVdB are coded by ICTV members and experts, or by the ICTVdB Management using data provided by the experts, the literature or the latest ICTV Report. The character list is the underlying code. All virus descriptions are based on the character list and natural language translations from the encoded descriptions are automatically generated and formatted for display on the Web.

Developer of the DELTA software: M. J. Dallwitz, T. Paine and E. Zurcher

ICTVdB and DELTA related References

Comments to ICTVdB Management
Last updated on 25 April 2006 by Cornelia Büchen-Osmond
Copyright © 2002    International Committee on Taxonomy of Viruses.    All rights reserved.


Additional access points to virus species lists, descriptions and images on the web:

Species catalogue                     iSpecies.org - a species search engine           a species search engine

Google Analytics      Google Analytics: activity view