Article
EXO1 and MSH4 differentially affect crossing-over and segregation.
Chromosoma - 1 Jan 2000
Khazanehdari K A, Borts R H
Abstract excerpt
The 5'-3' exonuclease Exo1p from Saccharomyces cerevisiae is required for wild-type levels of meiotic crossing-over and normal meiotic chromosome segregation as is the meiosis-specific MutS homologue, Msh4p. Mutations in both genes reduce crossing-over by approximately two-fold, but deltamsh4 strains have significantly lower viability and a higher frequency of meiosis I non-disjunction. Epistasis analysis...
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