The nucleotide sequence of the region including the RNA-dependent RNA polymerase (RdRp) of the porcine enterovirus 1 (PEV-1) Talfan strain was determined. Amino acid identities of Talfan RdRp with those of other picornaviruses were significantly lower than those seen among the viruses of the same genus of picornaviruses. The phylogenetic analysis of RdRp indicated that picornaviruses were divided into 8 clusters, in which Talfan was genetically distinct from other picornaviruses in contrast to the current taxonomy. In this study, we propose that PEV-1 Talfan be regarded as a new genus for the family Picorna- viridae .
Archives of Virology – Springer Journals
Published: Sep 1, 1999
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