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00.015.0.02.001. Soybean chlorotic mottle virus

Cite this publication as: ICTVdB Management (2006). 00.015.0.02.001. Soybean chlorotic mottle virus. In: ICTVdB - The Universal Virus Database, version 4. 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

Isolate Description

Location: Aichi Prefecture; Japan.

Host of Isolate and Habitat Details
Source of isolate: Glycine max.

Natural host and symptoms
Glycine max — systemic mosaic, stunting.

Lablab purpureus — systemic vein-clearing.

Phaseolus vulgaris — chlorotic local lesions. systemic vein clearing, mottling, leaf curling.

Vigna unguiculata — systemic infection, no symptoms.

Reference to Isolation Report
Iwaki et al. (1984).

Classification

This is a description of a plant virus at the species level with data on all virus properties from morphology to genome, replication, antigenicity and biological properties.

ICTVdB Virus Code: 00.015.0.02.001. Virus accession number: 15002001. Obsolete virus code: 15.0.1.0.010; superceded accession number: 15010010.
NCBI Taxon Identifier NCBI Taxonomy ID: 10651.

Name, Synonyms and Lineage

ICTV approved acronym: SbCMV. Virus is the type of the genus 00.015.0.02. Soymovirus in the family 00.015. Caulimoviridae.

Virion Properties

Morphology

Virions consist of a capsid. Virus capsid is not enveloped, round with icosahedral symmetry. The isometric capsid has a diameter of 50 nm. The capsid shells of virions are composed of multiple layers. Capsids appear round. The capsomer arrangement is clearly visible.

Electron microscopic preparation and references: Virus preparation contains few virions. Reference for electron microscopic methods: Iwaki et al. (1984).

Physicochemical and Physical Properties

There are 1 sedimenting component(s) found in purified preparations. The thermal inactivation point (TIP) is at 85-90°C. The longevity in vitro (LIV) is 1 days. Although the titer is dependent on the host, the decimal exponent (DEX) of the dilution end point is usually around 3-4. The infectivity is decreased when deproteinized with proteases; retained when deproteinized with phenol or detergent.

Nucleic Acid

The genome is not segmented and contains a single molecule of circular. The genome is -RT. The genome is double-stranded DNA. The complete genome is 8175 nucleotides long, is fully sequenced, complete sequence is 8178 nucleotides long. Sequence has the accession number [X15828]. The genome has a guanine + cytosine content of 33.8 %. Reference to nucleotide sequence Verver et al. (1986, Hibi et al. (1986).

GenBank records for nucleotide sequences; complete genome sequences.

Proteins

The viral genome encodes structural proteins and non-structural proteins.

Non-Structural Proteins: The virus codes for an RNA-dependent DNA polymerase.

Lipids

Lipids are not reported.

Transcription: The virus codes for 8 ORF(s).

Translation: Replication involves a reverse transcription step.

Biological Properties

Natural Host

Domain
Viral hosts belong to the Domain Eucarya.

Domain Eucarya
Kingdom Plantae.

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

Class Magnoliopsida (Dicotyledonae)
Subclass ROSIDAE.

Severity and Occurrence of Disease

Host: Signs and symptoms persist.

Transmission and Vector Relationships

Virus is transmitted by mechanical inoculation; not transmitted by seeds.

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 Leguminosae-Papilionoideae. The following species were susceptible to experimental virus infection: Glycine max, Lablab purpureus, Phaseolus vulgaris, Vigna unguiculata.

Experimentally infected insusceptible Hosts: Families containing insusceptible hosts: Amaranthaceae, Caryophyllaceae, or Chenopodiaceae, Compositae, Cruciferae, Cucurbitaceae, or Leguminosae-Caesalpinioideae, Leguminosae-Papilionoideae, Malvaceae, or Pedaliaceae, Solanaceae, Tetragoniaceae. Species inoculated with virus that do not show signs of susceptibility: Abelmoschus esculentus, Arachis hypogaea, Beta vulgaris, Brassica campestris ssp. rapa, Brassica oleracea var. capitata, Cajanus cajan, Capsicum annuum, Cassia tora, Chenopodium amaranticolor, Chenopodium quinoa, Cucumis sativus, Cucurbita moschata, Datura stramonium, Dianthus caryophyllus, Gomphrena globosa, Lactuca sativa, Lycopersicon esculentum, Nicotiana clevelandii, Nicotiana debneyi, Nicotiana glutinosa, Nicotiana tabacum, Petunia x hybrida, Pisum sativum, Sesamum indicum, Spinacia oleracea, Tetragonia tetragonioides, Trifolium pratense, Trifolium repens, Vicia faba, Vigna angularis, Vigna radiata, Vigna unguiculata ssp. sesquipedalis , Zinnia elegans.

Diagnostic Hosts

Diagnostic host species and symptoms:

Glycine max — systemic vein-clearing, followed by leaf mottling and stunting.

Phaseolus vulgaris — chlorotic local lesions; systemic vein-clearing, mottling and leaf curling.

Lablab purpureus — systemic vein-clearing.

Vigna unguiculata cv. Blackeye — symptomless systemic infection. Diagnostic host: insusceptible host species Chenopodium amaranticolor, Nicotiana tabacum, Vicia faba, Vigna unguiculata ssp. sesquipedalis.

Maintenance and Propagation Hosts

Most commonly used maintenance and propagation host species are Glycine max, Phaseolus vulgaris.

Assay Hosts

Host: Assay hosts (for Local lesions or Whole plants):
Glycine max (W, Phaseolus vulgaris (L, W).

References to host data: Iwaki et al. (1984).

Histopathology: Virus can be best detected in all parts of the host plant. Virions are found in the cytoplasm.

Cytopathology: Inclusions are present in infected cells. Inclusion bodies in the host cell are found in the cytoplasm. Cytoplasmic inclusions are viroplasma. Inclusions contain mature virions.

Geographical Distribution

The virus occurs in Japan.

References

Hibi, T. and Kameya-Iwaki, M. (1988). AAB Descr. Pl. Viruses No. 331, 4 pp.

Iwaki, M., Isogawa, Y., Tsuzuki, H. and Honda, Y. (1984). Plant Dis. 68: 1009.

Hibi, T., Iwaki, M., Saito, Y., Verver, J. and Goldbach, R. (1986). Ann. Phytopath. Soc. Japan 52 (5): 785.

Verver, J., Schijns, P., Hibi, T. and Goldbach, R. (1986). J. gen. Virol. 68: 159.

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

PubMed References.

VIDEdB, the plant virus database developed at the Australian National University by Adrian J. Gibbs and collaborators, contains an earlier description with the number 738 by Mitsuro Kameya-Iwaki, 1986.

A description of the virus is found in DPV, a database for plant viruses developed by the Association of Applied Biologists (AAB), with the number 331.

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 Strasburg, April 1997. The proposal has been approved at the meeting of the Executive Committee in Strasburg, 1997, the taxon has been removed from the Species (Caulimovirus).



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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

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Last updated on 25 April 2006 by Cornelia Büchen-Osmond
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