Article
Hypomodification of the wobble base in tRNAGlu, tRNALys, and tRNAGln suppresses the temperature-sensitive phenotype caused by mutant release factor 1.
Journal of bacteriology - 1 Mar 2009
Isak Georgina, Rydén-Aulin Monica
Abstract excerpt
In Escherichia coli, release factor 1 (RF1) is one of two RFs that mediate termination; it specifically recognizes UAA and UAG stop codons. A mutant allele, prfA1, coding for an RF1 that causes temperature-sensitive (Ts) growth at 42 degrees C, was used to select for temperature-resistant (Ts(+)) suppressors. This study describes one such suppressor that is the result of an IS10 insertion into the cysB gene,...
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