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The genus is distinguished on the basis of genetic characters.
No details are available on the morphology of the virions.
Genome (Woo et al., 2010): c. 7,640–7,678 nt (5′-UTR: 636–646 nt; ORF: 6,765–6,774 nt; 3′-UTR: 238–256 nt). The location of the cre has not been identified.
The deduced polyprotein is of 2,255–2,258 aa. The genome encodes a L protein. 1AB remains uncleaved (with myristoylation signal). 2A protein has unknown function.
See discussion under family description.
Viral RNA was detected in faeces of the oriental magpie robin (Copsychus saularis) and the grey-backed thrush (Turdus hortulorum).
There is only a single species in the genus. Oscivirus A includes two genetic virus types classified by means of phylogenetic clustering.
Osci-: from Oscines (songbirds) from the Latin oscen, 'a songbird'
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