期刊
DNA REPAIR
卷 4, 期 6, 页码 639-648出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.dnarep.2004.12.005
关键词
double-strand break; non-homologous; DNA
资金
- NIGMS NIH HHS [GM47251] Funding Source: Medline
The repair of DNA double-strand breaks (DSBs) is critical for maintaining genome stability. Although the non-homologous end joining (NHEJ) pathway frequently results in minor changes in DNA sequence at the break site and occasionally the joining of previously unlinked DNA molecules, it is a major contributor to cell survival following exposure of mammalian cells to agents that cause DSBs. This repair mechanism is conserved in lower eukaryotes and in some prokaryotes although the majority of DSBs are repaired by recombinational repair pathways in these organisms. Here we will describe the biochemical properties of NHEJ factors from bacteria, Saccharomyces cerevisiae and mammals, and how physical and functional interactions among these factors co-ordinate the repair of DSBs. (c) 2004 Elsevier B.V. All rights reserved.
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