03.104. Roniviridae - ICTVdB Index of Viruses

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Nature of Genome:
General Host Type:
Morphology:

positive-stranded ssRNA
Invertebrates
enveloped, bacilliform

Order Family	03. Nidovirales 03.104. Roniviridae
	Taxonomic Structure of the Family
	Family 03.104. Roniviridae Genus 03.104.0.01. Okavirus

Genus	03.104.0.01. Okavirus
Type Species	03.104.0.01.001. Gill-associated virus

List of Species Demarcation Criteria in the Genus

Not applicable.

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

03.104.0.01.001.	Gill-associated virus
03.104.0.01.001.00.001.	Gill-associated virus	[AF227196]	(GAV)
03.104.0.01.001.00.001.	Gill-associated virus	[AY039647]	(GAV)
03.104.0.01.001.00.003.	Yellow head virus, strain Ratchaburi/7/98	[AY052786]	(YHV)
03.104.0.01.001.00.004.	Yellow head virus	[AF540644]	(YHV)

Tentative Species in the Genus

03.104.0.81.003.	Genotype 3
03.104.0.81.004.	Genotype 4

List of Unassigned Viruses in the Family

None reported.

Similarity with other Taxa

Various structural and genetic similarities with other viruses in the order Nidovirales. Virion morphology distantly resembles that of plant rhabdoviruses. The pseudoknot structure in the ORF1a/1b overlap resembles the gag/pol pseudoknots of some retroviruses. The structure and substrate specificity of the ORF1a protease bridges the gap between the chymotrypsin-like cysteine proteases of coronaviruses and plant potyviruses.

Derivation of Names

Roni is a sigla derived from rod-shaped nidovirus referring to the unique virion morphology of viruses in the family.

Oka refers to the 'Oka' or lymphoid organ in which the viruses are commonly detected and in which pathology occurs during acute infections. Lymphoid organs are anatomical structures common to penaeid shrimp.

References

Collated from VIIIth ICTV Report

Contributed by

Walker, P.J., Bonami, J.R., Boonsaeng, V., Chang, P.S., Cowley, J.A., Enjuanes, L., Flegel, T.W., Lightner, D.V., Loh, P.C., Snijder, E.J. and Tang, K.

Cite this publication as: Index of Viruses - Roniviridae (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

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

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