Characterization of the coat protein mRNA of southern bean mosaic virus and its relationship to the genomic RNA
- PMID: 16789211
- PMCID: PMC171268
- DOI: 10.1128/JVI.39.1.87-92.1981
Characterization of the coat protein mRNA of southern bean mosaic virus and its relationship to the genomic RNA
Abstract
RNA isolated from southern bean mosaic virions contains, in small amount, a subgenomic RNA (molecular weight, 0.38 x 10(6)) that serves in vitro as an mRNA for southern bean mosaic virus coat protein. The RNA has a 5'-linked protein indistinguishable from the protein linked to the 5' end of full-length genomic RNA. Its base sequence, determined to 91 bases from the 3' end, is identical to the 3'-terminal sequence of the genomic RNA. The results suggest that the coat protein messenger sequence exists as a "silent" cistron near the 3' end of the genomic RNA.
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