Article
Mutants with temperature-sensitive defects in the Escherichia coli mismatch repair system: sensitivity to mispairs generated in vivo.
Journal of bacteriology - 1 Feb 2005
Hong Esther S, Yeung Annie, Funchain Pauline, Slupska Malgorzata M, Miller Jeffrey H
Abstract excerpt
We have used direct selections to generate large numbers of mutants of Escherichia coli defective in the mismatch repair system and have screened these to identify mutants with temperature-sensitive defects. We detected and sequenced mutations that give rise to temperature-sensitive MutS, MutL, and MutH proteins. One mutation, mutS60, results in almost normal levels of spontaneous mutations at 37 degrees C but...
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