1887

Abstract

The 46K outer capsid protein encoded by RNA segment S8 and the 42K polypeptide, previously thought to be the segment S9-encoded structural protein, were isolated from a rice dwarf phytoreovirus purified preparation, and then analysed by peptide mapping and electroblot-ELISA. V8 protease peptide mapping patterns of the 42K and 46K proteins were similar. Two monoclonal antibodies (MAbs), obtained after immunization with virus particles dissociated by 0.1% SDS, were each specific for both the 42K and 46K proteins. Furthermore, the MAbs bound common peptide fragments which were generated by digestion of the 42K and 46K proteins with V8 protease or proteinase K. These results strongly suggest that the 42K protein is not a gene product of S9 but a product overlapping with the 46K outer capsid protein. Whether the two proteins are functionally distinct remains to be determined.

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/content/journal/jgv/10.1099/0022-1317-72-9-2239
1991-09-01
2019-11-12
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-72-9-2239
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