Journal
JOURNAL OF GENERAL VIROLOGY
Volume 102, Issue 1, Pages -Publisher
MICROBIOLOGY SOC
DOI: 10.1099/jgv.0.001514
Keywords
Roniviridae; Okavirus; shrimp; ICTV Report; taxonomy
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Funding
- Wellcome Trust [WT108418AIA]
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The family Roniviridae consists of the genus Okavirus, which includes three enveloped, rod-shaped viruses. These viruses have a genome with five long open reading frames encoding various proteins.
The family Roniviridae includes the genus Okavirus for three species of viruses with enveloped, rod-shaped virions. The monopartite, positive-sense ssRNA genome (26-27kb) contains five canonical long open reading frames (ORFs). ORF1a encodes polyprotein pp1a containing proteinase domains. ORF1b is expressed as a large polyprotein pp1ab by ribosomal frameshifting from ORF1a and encodes replication enzymes. ORF2 encodes the nucleoprotein. ORF3 encodes two envelope glycoproteins. ORF3 encodes putative double membrane-spanning protein. Roniviruses infect shrimp but only yellow head virus is highly pathogenic. This is a summary of the International Committee on Taxonomy of Viruses (ICTV) Report on the family Roniviridae, which is available at ictv. global/report/roniviridae.
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