On the mechanism of exclusion of M2 double-stranded RNA by L-A-E double-stranded RNA in Saccharomyces cerevisiae.

E. M. Hannig, Michael J Leibowitz, R. B. Wickner

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

L-A-E double-stranded RNA (dsRNA), when introduced into cells carrying L-A-H and M2 dsRNAs, does not eliminate the L-A-H dsRNA, but (i) L-A-E does lower the copy number of L-A-H dramatically and (ii) L-A-E eliminates M2 dsRNA from the cell. That these two effects of L-A-E are related is shown by the fact that mutants of a strain carrying L-A-H and M2 selected for their resistance to exclusion of M2 by L-A-E [effect (ii)] have an altered L-A-H whose copy number is not lowered by L-A-E [effect (i)]. Although the L-A in K1 strains (L-A-HN in all cases examined) differs significantly both genetically and physically from the L-A in the K2 strain studied (L-A-H), the L-A-HN from the K1 strains can maintain M2 dsRNA, and the L-A-H from the K2 strains can maintain M1 dsRNA.

Original languageEnglish (US)
Pages (from-to)57-65
Number of pages9
JournalYeast (Chichester, England)
Volume1
Issue number1
StatePublished - Sep 1985
Externally publishedYes

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Double-Stranded RNA
double-stranded RNA
RNA
Yeast
Saccharomyces cerevisiae
cells
mutants

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Biotechnology

Cite this

On the mechanism of exclusion of M2 double-stranded RNA by L-A-E double-stranded RNA in Saccharomyces cerevisiae. / Hannig, E. M.; Leibowitz, Michael J; Wickner, R. B.

In: Yeast (Chichester, England), Vol. 1, No. 1, 09.1985, p. 57-65.

Research output: Contribution to journalArticle

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N2 - L-A-E double-stranded RNA (dsRNA), when introduced into cells carrying L-A-H and M2 dsRNAs, does not eliminate the L-A-H dsRNA, but (i) L-A-E does lower the copy number of L-A-H dramatically and (ii) L-A-E eliminates M2 dsRNA from the cell. That these two effects of L-A-E are related is shown by the fact that mutants of a strain carrying L-A-H and M2 selected for their resistance to exclusion of M2 by L-A-E [effect (ii)] have an altered L-A-H whose copy number is not lowered by L-A-E [effect (i)]. Although the L-A in K1 strains (L-A-HN in all cases examined) differs significantly both genetically and physically from the L-A in the K2 strain studied (L-A-H), the L-A-HN from the K1 strains can maintain M2 dsRNA, and the L-A-H from the K2 strains can maintain M1 dsRNA.

AB - L-A-E double-stranded RNA (dsRNA), when introduced into cells carrying L-A-H and M2 dsRNAs, does not eliminate the L-A-H dsRNA, but (i) L-A-E does lower the copy number of L-A-H dramatically and (ii) L-A-E eliminates M2 dsRNA from the cell. That these two effects of L-A-E are related is shown by the fact that mutants of a strain carrying L-A-H and M2 selected for their resistance to exclusion of M2 by L-A-E [effect (ii)] have an altered L-A-H whose copy number is not lowered by L-A-E [effect (i)]. Although the L-A in K1 strains (L-A-HN in all cases examined) differs significantly both genetically and physically from the L-A in the K2 strain studied (L-A-H), the L-A-HN from the K1 strains can maintain M2 dsRNA, and the L-A-H from the K2 strains can maintain M1 dsRNA.

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