We reported here the complete genome of the Bombyx mori infectious flacherie virus (BmIFV), BmIFV-CHN01, isolated in China and compared it with the Japanese strain IFV (BmIFV-JAN) sequence. BmIFV-JAN and BmIFV-CHN01 were 99% identical in nucleotide and amino acid sequences. The amino acid sequences of the three structural proteins (VP1, VP3 and VP4) and L protein were 100% identical between the two strains. Phylogenetic analyses based on conserved domains in RNA-dependent RNA polymerases (RdRps) by the neighbor-joining method showed that these two strains were from the same virus. The gain of the whole genome of the BmIFV isolated in China and its weak mutation character established a great foundation to the study of functional genome and the molecular epidemiology of BmIFV.
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