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Generation of Recombinant Rotavirus with an Antigenic Mosaic of Cross-Reactive Neutralization Epitopes on VP4▿

By Satoshi Komoto, Masanori Kugita, Jun Sasaki and Koki Taniguchi

Abstract

Recombinant rotavirus (RV) with cDNA-derived chimeric VP4 was generated using recently developed reverse genetics for RV. The rescued virus, KU//rVP4(SA11)-II(DS-1), contains SA11 (simian RV strain, G3P[2])-based VP4, in which a cross-reactive neutralization epitope (amino acids 381 to 401) on VP5* is replaced by the corresponding sequence of a different P-type DS-1 (human RV strain, G2P[4]). Serological analyses with a panel of anti-VP4- and -VP7-neutralizing monoclonal antibodies revealed that the rescued virus carries a novel antigenic mosaic of cross-reactive neutralization epitopes on its VP4 surface. This is the first report of the generation of a recombinant RV with artificial amino acid substitutions

Topics: Genome Replication and Regulation of Viral Gene Expression
Publisher: American Society for Microbiology (ASM)
OAI identifier: oai:pubmedcentral.nih.gov:2447055
Provided by: PubMed Central
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