Aquabirnavirus

Aquabirnavirus is a genus of viruses, in the family Birnaviridae.[1] Salmonid fish serve as natural hosts. There are currently three species in this genus including the type species Infectious pancreatic necrosis virus. Diseases associated with this genus include: IPNV:infectious pancreatic necrosis in salmonid fish, causes significant losses to the aquaculture industry. chronic infection in adult, and acute viral disease in young salmonid fish.[2][3]

Aquabirnavirus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: incertae sedis
Family: Birnaviridae
Genus: Aquabirnavirus
Type species
Infectious pancreatic necrosis virus
Species
  • Infectious pancreatic necrosis virus
  • Tellina virus
  • Yellowtail ascites virus

Taxonomy

Group: dsRNA

[2]

Structure

Viruses in Aquabirnavirus are non-enveloped, with icosahedral and Single-shelled geometries, and T=13 symmetry. The diameter is around 70 nm. Genomes are linear and segmented, around 2.7-3kb in length. The genome codes for 5 proteins.[2][3]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
AquabirnavirusIcosahedralT=13Non-envelopedLinearSegmented

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the double-stranded RNA virus replication model. Double-stranded rna virus transcription is the method of transcription. Salmonid fish serve as the natural host. Transmission routes are contact.[2][3]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
AquabirnavirusSalmonid fishNoneCell receptor endocytosisBuddingCytoplasmCytoplasmContact
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References
  1. Delmas, B; Attoui, H; Ghosh, S; Malik, YS; Mundt, E; Vakharia, VN; ICTV Report, Consortium (January 2019). "ICTV virus taxonomy profile: Birnaviridae". The Journal of General Virology. 100 (1): 5–6. doi:10.1099/jgv.0.001185. PMID 30484762.
  2. "ICTV Report Birnaviridae".
  3. "Viral Zone". ExPASy. Retrieved 15 June 2015.
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