PMID: 8593682Nov 1, 1995Paper

Effects of the CDC2 gene on adaptive mutation in the yeast Saccharomyces cerevisiae

Current Genetics
H BaranowskaW J Jachymczyk

Abstract

We have studied the influence of a temperature-sensitive cdc2-1 mutation in DNA polymerase delta on the selection-induced mutation occurring at the LYS-2 locus in the yeast Saccharomyces cerevisiae. It was found that in cells plated on synthetic complete medium lacking only lysine, the numbers of Lys+ revertant colonies accumulated in a time-dependent manner in the absence of any detectable increase in cell number. When cdc2-1 mutant cells, after selective plating, were incubated at the restrictive temperature of 37 degrees C for 5 h daily for 7 days, the frequency of an adaptive reversion of lys(-)-->Lys+ was significantly higher than the frequency in cells incubated only at the permissive temperature, or in wild-type cells incubated either at 23 degrees C or 37 degrees C. Therefore, when the proofreading activity of DNA polymerase delta is impaired under restrictive conditions, the frequency of adaptive mutations is markedly enhanced.

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Citations

Nov 21, 2000·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·P L Foster
Feb 20, 1998·Current Opinion in Genetics & Development·S M Rosenberg
Jan 15, 2017·FEMS Yeast Research·Serge Gangloff, Benoit Arcangioli
Jul 4, 2001·Nature Reviews. Genetics·S M Rosenberg
Aug 10, 2007·Critical Reviews in Biochemistry and Molecular Biology·Erich Heidenreich

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