期刊
SCIENCE
卷 329, 期 5987, 页码 82-85出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1191125
关键词
-
资金
- NIH [GM007122, GM20056]
To examine the fidelity of DNA synthesis during double-strand break (DSB) repair in Saccharomyces cerevisiae we studied gene conversion in which both strands of DNA are newly synthesized. The mutation rate increases up to 1400 times over spontaneous events, with a significantly different mutation signature. Especially prominent are microhomology-mediated template switches. Recombination-induced mutations are largely independent of mismatch repair, by DNA polymerases Pol zeta, Pol eta, and Pol32, but result from errors made by Pol delta and Pol epsilon. These observations suggest that increased DSB frequencies in oncogene-activated mammalian cells may also increase the probability of acquiring mutations required for transition to a cancerous state.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据