期刊
GENES & DEVELOPMENT
卷 15, 期 9, 页码 1055-1060出版社
COLD SPRING HARBOR LAB PRESS
DOI: 10.1101/gad.875901
关键词
break-induced replication; RAD51; DNA repair; Saccharomyces cerevisiae
资金
- NCI NIH HHS [T32 CA09665, T32 CA009665] Funding Source: Medline
- NIGMS NIH HHS [GM20056, R01 GM035679, R37 GM020056, R01 GM020056, GM35679] Funding Source: Medline
Without the RAD51 strand exchange protein, Saccharomyces cerevisiae cannot repair a double-strand break (DSB) by gene conversion. However, cells can repair DSBs by recombination-dependent, break-induced replication (BIR). RAD51-independent BIR is initiated more than 13 kb from the DSB. Repair depends on a 200-bp sequence adjacent to ARS310, located similar to 34 kb centromere-proximal to the DSB, but does not depend on the origin activity of ARS310. We conclude that the ability of a recombination-induced replication fork to copy >130 kb to the end of the chromosome depends on a special site that enhances assembly of a processive repair replication fork.
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