Boosepivirus bebovi

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The species Boosepivirus bebovi (formerly named Boosepivirus B) contains two genotypes, boosipivirus B1 and B2.

Boosipivirus B1 was originally called bovine picornavirus Japan (BPV-J) group B.

Five complete (or nearly complete) genome sequences were detected in cattle faeces collected in Hokkaido Prefecture in 2009. There were most closely related to the sapelo-like viruses bat picornavirus 1-2, bat picornavirus 3, feline picornavirus 1 and canine picornavirus 1 (Nagai et al., 2015).

The five bovine picornaviruses fell into two genetic groups, which I have labelled A (Boosepivirus A) and B (Boosepivirus B):

A) Bo-11-39/2009/JPN (LC006971).

B) Bo-12-3/2009/JPN (LC036579), Bo-12-7/2009/JPN (LC036580), Bo-12-11/2009/JPN (LC036581) and Bo-12-38/2009/JPN (LC036582).

Their polyprotein sequences share only about 52% aa identity, suggesting that they may represent two distinct virus species.

Genome organisation:

VPg+5’UTR^IRES-I[L/1A-1B-1C-1D/2A^pro?-2B-2C/3A-3B^VPg-3C^pro-3D^pol]3’UTR-poly(A)

References

Nagai, M., Omatsu, T., Aoki, H., Kaku, Y., Belsham, G.J., Haga, K., Naoi, Y., Sano, K., Umetsu, M., Shiokawa, M., Tsuchiaka, S., Furuya, T., Okazaki, S., Katayama, Y., Oba, M., Shirai, J., Katayama, K. and Mizutani, T. (2015). Identification and complete genome analysis of novel picornavirus in bovine in Japan. Virus Res. 2015 Aug 7. pii: S0168-1702(15)30033-2. doi: 10.1016/j.virusres.2015.08.001. [Epub ahead of print]