RTEL1: an essential helicase for telomere maintenance and the regulation of homologous recombination.

RTEL1: an essential helicase for telomere maintenance and the regulation of homologous recombination.
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DOI:
10.1093/nar/gkq1045
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发表时间:
2011-03
影响因子:
14.9
通讯作者:
Boulton SJ
Boulton SJ
中科院分区:
生物学2区
文献类型:
--
作者:
Uringa EJ;Youds JL;Lisaingo K;Lansdorp PM;Boulton SJ

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端粒维持和DNA修复是保护基因组免受不稳定性影响的关键过程。RTEL1是一种必需的含铁硫簇的解旋酶,是控制小鼠端粒长度的主导因子,并且是端粒完整性所必需的。此外,RTEL1促进合成依赖性链退火,以指导DNA双链断裂在有丝分裂修复和减数分裂期间进入非交换结果。在这里,我们回顾了RTEL 1在端粒维持和同源重组中的作用,并讨论了将RTEL 1的酶活性与其在端粒维持和DNA修复中的功能联系起来的模型。
Telomere maintenance and DNA repair are crucial processes that protect the genome against instability. RTEL1, an essential iron–sulfur cluster-containing helicase, is a dominant factor that controls telomere length in mice and is required for telomere integrity. In addition, RTEL1 promotes synthesis-dependent strand annealing to direct DNA double-strand breaks into non-crossover outcomes during mitotic repair and in meiosis. Here, we review the role of RTEL1 in telomere maintenance and homologous recombination and discuss models linking RTEL1’s enzymatic activity to its function in telomere maintenance and DNA repair.
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