In this study, the full-length genome sequence of the prototype of sapovirus, namely Sapporo virus (SV82), was identified. Sapporo virus RNA was extracted from a fecal sample, amplified by RT-PCR and the PCR products sequenced directly and analyzed. Sequence analysis showed that Sapporo virus consists of 7433 nucleotides and has three open reading frames. The Sapporo strain shows 91.7% nucleotide sequence identity to the Manchester virus. Phylogenic analysis has also revealed the closeness of Sapporo virus to other sapovirus/genogroup I strains. Basic information on the evolutionary history of sapovirus analysis is provided here.
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