Genetic analysis of gamma-ray mutagenesis in yeast. III. Double-mutant strains.


Comparisons between the 60Co gamma-ray survival curves of diploid strains of the yeast Saccharomyces cerevisiae that are homozygous for two non-allelic radiation-sensitive mutations and the corresponding single-mutant diploids suggest that there are two main types of repair of ionizing radiation damage in this organism. The first, which is defined by the… (More)


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