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Differential effects of mutations in the protein and RNA moieties of RNase P on the efficiency of suppression by various tRNA suppressors
Department of Biology Yale University, New Haven, CT 06520, U.S.A..
1988 (English)In: Journal of Molecular Biology, ISSN 0022-2836, E-ISSN 1089-8638, Vol. 204, no 4, 879-888 p.Article in journal (Refereed) Published
Abstract [en]

We have studied the efficiency of suppression by tRNA suppressors in vivo in strains of Escherichia coli that harbor a mutation in the rnpA gene, the gene for the protein component (C5) of RNase P, and in strains that carry several different alleles of the rnpB gene, the gene for the RNA component (M1) of RNase P. Depending on the genetic background, different efficiencies of suppression by the various tRNA suppressors were observed. Thus, mutations in rnpA have separable and distinct effects from mutations in rnpB on the processing of tRNA precursors by RNase P. In addition, the efficiency of suppression by several derivatives of E. coli tRNA(Tyr) Su3 changed as the genetic background was altered.

Place, publisher, year, edition, pages
1988. Vol. 204, no 4, 879-888 p.
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Natural Sciences
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URN: urn:nbn:se:uu:diva-147816DOI: 10.1016/0022-2836(88)90048-4PubMedID: 2464697OAI: oai:DiVA.org:uu-147816DiVA: diva2:400891
Available from: 2011-02-28 Created: 2011-02-28 Last updated: 2017-12-11Bibliographically approved

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