SGD Paper 
Rodriguez GP, et al. (2012) Mismatch repair-dependent mutagenesis in nondividing cells. Proc Natl Acad Sci U S A 109(16):6153-8
Abstract: Mismatch repair (MMR) is a major DNA repair pathway in cells from all branches of life that removes replication errors in a strand-specific manner, such that mismatched nucleotides are preferentially removed from the newly replicated strand of DNA. Here we demonstrate a role for MMR in helping create new phenotypes in nondividing cells. We show that mispairs in yeast that escape MMR during replication can later be subject to MMR activity in a replication strand-independent manner in nondividing cells, resulting in either fully wild-type or mutant DNA sequence. In one case, this activity is responsible for what appears to be adaptive mutation. This replication strand-independent MMR activity could contribute to the formation of tumors arising in nondividing cells and could also contribute to mutagenesis observed during somatic hypermutation of Ig genes.
| Status: Published | Type: Journal Article | PubMed ID: 22474380 |
Topics addressed in this paper
Number of different genes curated to this paper: 2
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