Abstract :
[en] In this study, we report the genetic diversity and
nucleotide mutation rates of five representative regions of
the murine norovirus genome during in vitro passages. The
mutation rates were similar in genomic regions encompassing
partial coding sequences for non-structural (NS)
1-2, NS5, NS6, NS7 proteins within open reading frame
(ORF) 1. In a region encoding a portion of the major capsid
protein (VP1) within ORF2 (also including the ORF4
region) and a portion of the minor structural protein (VP2),
the mutation rates were estimated to be at least one order of
magnitude higher. The VP2 coding region was found to
have the highest mutation rate.
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