A Role for Exonuclease I from S. pombe in Mutation Avoidance and Mismatch Correction
- 24 February 1995
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 267 (5201) , 1166-1169
- https://doi.org/10.1126/science.7855597
Abstract
Exonuclease I (Exo I) from Schizosaccharomyces pombe, a 5'-->3' double-stranded DNA exonuclease, is induced during meiotic prophase I. The exo1 gene is a member of a family of related DNA repair genes, including RAD2/rad13/xpgc and YKL510/rad2, conserved from yeast to humans. An exo1 mutant displays a mutator phenotype and alters activity of the ade6-M387 marker effect. These results suggest that Exo I acts in a pathway that corrects mismatched base pairs.Keywords
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