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Nature of Genome:
General Host Type:
Morphology:

positive-stranded ssRNA
Plants
not enveloped, rod-shaped


Family

00.027.  Not assigned


 

Taxonomic Structure of the Family

 

Family         00.027. Not assigned
Genus                      00.027.0.01. Furovirus


Genus

00.027.0.01.   Furovirus

Type Species

00.027.0.01.001.     Soil-borne wheat mosaic virus

(SBWMV)

List of Species Demarcation Criteria in the Genus

The species within the genus Furovirus are presently mainly differentiated on the basis of the nt sequences of their RNAs and the deduced as sequences of their putative gene products. On these bases, SBWMV (Japan) may represent an additional species. RNA-1 sequences of these viruses share 58-74% identity and RNA-2 46-80% (Fig. 3). SBWMV, SBCMV, CWMV and OGSV can be discriminated also by reactivity with selected monoclonal and polyclonal antibodies. OGSV and SrCSV differ in host range to SBWMV, SBCMV and CWMV. Especially the latter three viruses have similar biological properties and genetic reassortants can be formed with RNA-1 and RNA-2 of SBWMV (Nebraska), SBWMV (Japan) and SBCMV. With the other viruses this possibility has not yet been checked. The relative merits of using genetic reassortment in furovirus species demarcation in the future are currently being debated in the furovirus study group.

List of Species in the Genus

The ICTVdB virus code and the viruses. Official virus species names are in italics. Tentative virus species names, alternative names ( ), isolates, strains, serotypes, subspecies, or rejected names are not italicized.
 
Virus codes, virus names, genome sequence accession numbers [ ] and assigned abbreviations ( ), are:

Species, their serotypes, strains and isolates

00.027.0.01.013.

Chinese wheat mosaic virus

00.027.0.01.013.00.001.

    Chinese wheat mosaic virus

RNA-1: [AJ012005]

(CWMV)

00.027.0.01.013.00.001.

    Chinese wheat mosaic virus

RNA-2: [AJ012006]

(CWMV)

00.027.0.01.002.

Oat golden stripe virus

00.027.0.01.002.00.001.

    Oat golden stripe virus

RNA-1: [AJ132578]

(OGSV)

00.027.0.01.002.00.001.

    Oat golden stripe virus

RNA-2: [J132579]

(OGSV)

00.027.0.01.012.

Soil-borne cereal mosaic virus

00.027.0.01.012.00.001.

    Soil-borne cereal mosaic virus

RNA-1: [AF146278]

(SBCMV)

00.027.0.01.012.00.001.

    Soil-borne cereal mosaic virus

RNA-2: [AF146281]

(SBCMV)

00.027.0.01.012.00.001.

    Soil-borne cereal mosaic virus

RNA-1: [AF146279]

(SBCMV)

00.027.0.01.012.00.001.

    Soil-borne cereal mosaic virus

RNA-2: [AF146282]

(SBCMV)

00.027.0.01.012.00.001.

    Soil-borne cereal mosaic virus

RNA-1: [AF146280]

(SBCMV)

00.027.0.01.012.00.001.

    Soil-borne cereal mosaic virus

RNA-2: [AF146283]

(SBCMV)

00.027.0.01.012.00.001.

    Soil-borne cereal mosaic virus

RNA-1: [AJ252151]

(SBCMV)

00.027.0.01.012.00.001.

    Soil-borne cereal mosaic virus

RNA-2: [AJ252152]

(SBCMV)

00.027.0.01.012.

    (European wheat mosaic virus)

00.027.0.01.012.

    (Soil-borne rye mosaic virus)

RNA-1: [AF146278]

00.027.0.01.005.

Soil-borne wheat mosaic virus

00.027.0.01.005.00.001.

    Soil-borne wheat mosaic virus - Japan

RNA-1: [AB033689]

(SBWMV-JP)

00.027.0.01.005.00.001.

    Soil-borne wheat mosaic virus - Japan

RNA-2: [AB033690]

(SBWMV-JP)

00.027.0.01.005.00.002.

    Soil-borne wheat mosaic virus - Nebraska

RNA-1: [L07937]

(SBWMV-Ne)

00.027.0.01.005.00.002.

    Soil-borne wheat mosaic virus - Nebraska

RNA-2: [L07938]

(SBWMV-Ne)

00.027.0.01.005.00.003.

    Soil-borne wheat mosaic virus - New York

RNA-1: [AY016007]

(SBWMV-NY)

00.027.0.01.005.00.003.

    Soil-borne wheat mosaic virus - New York

RNA-2: [AY016008]

(SBWMV-NY)

00.027.0.01.005.00.003.

    Soil-borne wheat mosaic virus - New York

RNA-1: [AF361641]

(SBWMV-NY)

00.027.0.01.005.00.003.

    Soil-borne wheat mosaic virus - New York

RNA-2: [AF361642]

(SBWMV-NY)

00.027.0.01.006.

Sorghum chlorotic spot virus

00.027.0.01.006.00.001.

    Sorghum chlorotic spot virus

RNA-1: [AB033691]

(SrCSV)

00.027.0.01.006.00.001.

    Sorghum chlorotic spot virus

RNA-2: [AB033692]

(SrCSV)





































Tentative Species in the Genus

None reported.

Similarity with other Taxa

Furoviruses have similar particle morphology to members of the genera Pecluvirus, Pomovirus, Benyvirus, Tobamovirus, Tobravirus and Hordeivirus. The CPs of these viruses show various degrees of as sequence homologies and have a number of conserved residues, e.g. RF and FE in their central and C-terminal parts, respectively, which are thought to be involved in the formation of salt bridges. The as sequences of the putative replicase proteins form a cluster with those of the porno-, peclu-, hordei-, tobra- and tobamoviruses (Fig. 4). The furoviruses also resemble the pomoviruses and surprisingly also the tymoviruses in having valine-specific tRNA-like structures at the 3'-ends of their genomic RNAs. The furoviruses differ from the porno-, beny-, hordei- and tobamoviruses by their bipartite genomes and from peclu-, porno-, beny- and hordeiviruses in that they have a single movement protein gene rather a triple block of genes encoding movement proteins. SBWMV has distant serological relationships with Potato mop-top virus and Tobacco mosaic virus.

Derivation of Names

Furo: sigla from fungus-borne, rod-shaped virus.

References

Collated from VIIIth ICTV Report

Contributed by

Torrance, L. and Koenig, R.


Cite this publication as: Index of Viruses - Furovirus (2006). In: ICTVdB - The Universal Virus Database, version 4. Büchen-Osmond, C (Ed), Columbia University, New York, USA. http://www.ncbi.nlm.nih.gov/ICTVdb/Ictv/fs_index.htm

Version 4 is based on Virus Taxonomy, Classification and Nomenclature of Viruses, 8th ICTV Report of the International Committee on Taxonomy of Viruses. Fauquet, CM, Mayo, MA, Maniloff, J, Desselberger, U, and Ball, LA (EDS) (2005) Elsevier/Academic Press, pp. 1259.


Additional References

Reference List from the 8th ICTV Report
ICTVdB taxon description
ICTVdB Picture Gallery

References to sequence databases at GenBank and PubMed Central:
PubMed Central References; nucleotide sequences; complete genomes




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