Conditional hyporecombination mutants of three REC genes of Saccharomyces cerevisiae
- 1 January 1990
- journal article
- conference paper
- Published by Springer Nature in Current Genetics
- Vol. 17 (1) , 7-12
- https://doi.org/10.1007/bf00313242
Abstract
We have isolated and characterized three conditional hyporecombination mutants, rec1-1, rec3-1 and rec4-1, that define three REC genes of Saccharomyces cerevisiae required for spontaneous general mitotic interchromosomal recombination. Each MATa/MATα rec/rec diploid is deficient in mitotic single site gene conversion, intragenic recombination, intergenic recombination and sporulation at the restrictive temperature (36°C). The rec1-1 mutation also confers conditional enhanced sensitivity to the killing effects of X-rays. The rec1-1 and rec3-1 mutations have been mapped to chromosome VII. The rec1-1, rec3-1 and rec4-1 mutations exhibit complementation at 36°C for both mitotic recombination and sporulation.This publication has 41 references indexed in Scilit:
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