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Updated: May 9, 2026

Simplified Reverse Genetics Method to Recover Recombinant Rotaviruses Expressing Reporter Proteins
Published on: April 17, 2020
Molecular evolution of the VP7 gene of Japanese G2 rotaviruses before vaccine introduction
1Department of Molecular Microbiology and Immunology, Graduate School of Biomedical Sciences, Nagasaki University, 1-12-4 Sakamoto, Nagasaki, 852-8523, Japan.
Abstract:
Changes in the prevalence of G2 rotavirus after vaccine introduction are an important issue. However, such changes in a given country should be interpreted in the global context over time. We determined 35 Japanese G2 sequences and compared them with 508 globally collected G2 sequences. The D96N substitution, a substitution known to be associated with an abrupt increase in G2 strains and antigenic changes, emerged in those strains that formed a nascent lineage outside of the currently predominant lineage (sublineage IVa). Further studies are warranted to monitor the potential of their global spread, since they also appeared in Europe and Australia.
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