RecQ helicases: lessons from model organisms.

RecQ helicases: lessons from model organisms.
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RECQ解旋酶:模型生物的经验教训。

DOI:
10.1093/nar/gkl557
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发表时间:
2006
影响因子:
14.9
通讯作者:
Bjergbaek, Lotte
Bjergbaek, Lotte
中科院分区:
生物学2区
文献类型:
--
作者:
Cobb, Jennifer A.;Bjergbaek, Lotte

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RecQ DNA 解旋酶在 DNA 复制过程中发挥作用,对于维持基因组稳定性至关重要。越来越多的证据表明,自发的基因组不稳定性主要发生在 DNA 复制过程中,而参与 S 期检查点的蛋白质是对抗这种不稳定性的主要防御手段。缺乏功能性 RecQ 解旋酶的细胞表现出的表型与在遇到 DNA 损伤或复制叉停滞后无法完全恢复复制叉进程一致。在这篇综述中,我们将重点关注模式生物 S 期 RecQ 解旋酶的各种功能。
RecQ DNA helicases function during DNA replication and are essential for the maintenance of genome stability. There is increasing evidence that spontaneous genomic instability occurs primarily during DNA replication, and that proteins involved in the S-phase checkpoint are a principal defence against such instability. Cells that lack functional RecQ helicases exhibit phenotypes consistent with an inability to fully resume replication fork progress after encountering DNA damage or fork arrest. In this review we will concentrate on the various functions of RecQ helicases during S phase in model organisms.
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