Blosnavirus

Blosnavirus is a genus of viruses, in the family Birnaviridae.[1] Blotched snakehead fish serve as natural hosts. There are currently two species in this genus including the type species Blotched snakehead virus.[2][3]

Blosnavirus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: incertae sedis
Family: Birnaviridae
Genus: Blosnavirus
Type species
Blotched snakehead virus

Taxonomy

Group: dsRNA

[2]

Structure

Viruses in Blosnavirus are non-enveloped, with icosahedral and Single-shelled geometries, and T=13 symmetry. The diameter is around 70 nm. Genomes are linear and have 2 segments, around 2.7-3.4kb in length. The genome codes for 6 proteins.[2][3]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
BlosnavirusIcosahedralT=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. Blotched snakehead fish serve as the natural host.[2][3]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
BlosnavirusBlotched snakehead fishNoneUnknownBuddingCytoplasmCytoplasmUnknown
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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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