The role of homologous recombination repair in the formation of chromosome aberrations

被引:26
作者
Griffin, CS [1 ]
Thacker, J [1 ]
机构
[1] MRC, Radiat & Genome Stabil Unit, Harwell OX11 0RD, Oxon, England
关键词
D O I
10.1159/000077462
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
The repair of DNA double strand breaks by homologous recombination can occur by at least two pathways: a Rad51-dependent pathway that is predominantly error free, and a Rad51-independent pathway (single strand annealing, SSA) that is error prone. In theory, chromosome exchanges can result from (mis)repair by either pathway. Both repair pathways will involve a search for homologous sequence, leading to co-localization of chromatin. Genes involved in homologous recombination repair (HRR) have now been successfully knocked out in mice and the role of HRR in the formation of chromosome exchanges, particularly after ionising radiation, is discussed in the light of new evidence. Copyright (C) 2003 S. Karger AG, Basel.
引用
收藏
页码:21 / 27
页数:7
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