Blosnavirus
Genus of viruses
From Wikipedia, the free encyclopedia
Blosnavirus is a genus of viruses, in the family Birnaviridae.[1] Blotched snakehead fish serve as natural hosts. There are two species in this genus.[2][3]
| Blosnavirus | |
|---|---|
Virus classification  | |
| (unranked): | Virus |
| Realm: | Riboviria |
| Kingdom: | Orthornavirae |
| Phylum: | incertae sedis |
| Family: | Birnaviridae |
| Genus: | Blosnavirus |
Taxonomy
The genus contains the following species:[4]
- Blotched snakehead virus
- Lates calcarifer birnavirus
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]
| Genus | Structure | Symmetry | Capsid | Genomic arrangement | Genomic segmentation |
|---|---|---|---|---|---|
| Blosnavirus | Icosahedral | T=13 | Non-enveloped | Linear | Segmented |
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]
| Genus | Host details | Tissue tropism | Entry details | Release details | Replication site | Assembly site | Transmission |
|---|---|---|---|---|---|---|---|
| Blosnavirus | Blotched snakehead fish | None | Unknown | Budding | Cytoplasm | Cytoplasm | Unknown |