Virology. 1996 Feb 15;216(2):451-4.

A second double-stranded RNA virus from yeast.

Park CM, Lopinski JD, Masuda J, Tzeng TH, Bruenn JA.

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Department of Biological Sciences, State University of New York at Buffalo, 14260, USA.

Abstract

Two double-stranded RNA viruses exist as permanent persistent infections of the yeast Saccharomyces cerevisiae: ScVL1 and ScVLa. Both belong to the Totiviridae, which include a number of fungal and protozoan double-stranded RNA viruses. Although ScVL1 and ScVLa share the same genomic organization and mode of expression and coexist in the same cells, they show no evidence of recombination: with one limited exception, sequence conservation is detectable only in regions conserved in all totiviruses. Both have two open reading frames on their single essential RNAs: cap (encoding a capsid polypeptide) and pol (encoding an RNA-dependent RNA polymerase). The ScVLa virus, like ScVL1, appears to express its Pol domain by a -1 translational frameshift.

PMID:: 8607277; [PubMed - indexed for MEDLINE]

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GENBANK/U01060

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GM22200/GM/NIGMS NIH HHS/United States

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Cited by 9 PubMed Central articles

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