| birnaviridae | A family of bisegmented, double-stranded RNA viruses causing infection in fish, mollusks, fowl, and drosophila. There are three genera: aquabirnavirus, avibirnavirus, and entomobirnavirus. Horizontal and vertical transmission occurs for all viruses. (12 Dec 1998) |
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| birnaviridae infections | Virus diseases caused by the birnaviridae. (12 Dec 1998) |
Synonyms :
Synonyms : Infections, Birnaviridae, Birnaviridae Infection, Infection, Birnaviridae
| Birnaviridae |
the two-segmented double-stranded RNA viruses: a family of RNA viruses having a nonenveloped icosahedral virion 60 nm in diameter with 92 capsomers in a T = 9 arrangement. The genome consists of two segments of linear double-stranded RNA (MW 2.22.5 × 106 and 2.42.6 × 106, size of total genome about 6 kbp). Viruses contain five major structural polypeptides and are resistant to light and ultraviolet radiation, heat, lipid solvents, and trypsin. Replication and assembly occur in the cytoplasm; it includes Aquabirnavirus (infecting fish, mollusks, and crustaceans), Avibirnavirus (infecting birds), and Entomobirnavirus (infecting insects).
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