Chromatin remodelling beyond transcription: the INO80 and SWR1 complexes.

Chromatin remodelling beyond transcription: the INO80 and SWR1 complexes.
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DOI:
10.1038/nrm2693
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发表时间:
2009-06
期刊:
Nature reviews. Molecular cell biology
影响因子:
--
通讯作者:
Shen X
Shen X
中科院分区:
其他
文献类型:
--
作者:
Morrison AJ;Shen X

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染色质修饰因子在决定细胞功能的DNA加工途径中具有重要作用。染色质修饰剂,包括INO 80和SWR 1染色质重塑复合物,调节转录过程的能力是公认的。然而,最近的研究表明,INO 80和SWR 1复合物在许多其他重要过程中具有重要功能,包括DNA修复,检查点调节,DNA复制,端粒维持和染色体分离。在这些不同的核过程中,INO 80和SWR 1复合物与它们的组蛋白底物γ-H2 AX和H2 AZ协同作用。这项研究表明,INO 80和SWR 1 ATP依赖的染色质重塑是维持基因组完整性的途径的一个组成部分。
Chromatin-modifying factors have essential roles in DNA processing pathways that dictate cellular functions. The ability of chromatin modifiers, including the INO80 and SWR1 chromatin-remodelling complexes, to regulate transcriptional processes is well established. However, recent studies reveal that the INO80 and SWR1 complexes have crucial functions in many other essential processes, including DNA repair, checkpoint regulation, DNA replication, telomere maintenance and chromosome segregation. During these diverse nuclear processes, the INO80 and SWR1 complexes function cooperatively with their histone substrates, γ-H2AX and H2AZ. This research reveals that INO80 and SWR1 ATP-dependent chromatin remodelling is an integral component of pathways that maintain genomic integrity.
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