Perceiving the epigenetic landscape through histone readers.

Perceiving the epigenetic landscape through histone readers.
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DOI:
10.1038/nsmb.2436
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发表时间:
2012-12
影响因子:
16.8
通讯作者:
Kutateladze, Tatiana G.
Kutateladze, Tatiana G.
中科院分区:
生物学1区
文献类型:
--
作者:
Musselman, Catherine A.;Lalonde, Marie-Eve;Cote, Jacques;Kutateladze, Tatiana G.

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组蛋白的翻译后修饰(PTMs)为调节染色质结构和动力学提供了微调机制。PTM可以改变组蛋白和DNA之间的直接相互作用,并作为这些PTM的蛋白质效应物或阅读器的对接位点。阅读器的结合在特定基因组位点募集或稳定核信号机制的各种组分,介导基本的DNA模板化过程,包括基因转录和DNA重组、复制和修复。在这篇综述中,我们重点介绍了在表征组蛋白结合机制和识别新的表观遗传读者方面的最新进展,并总结了PTM识别的功能意义。
Post-translational modifications (PTMs) of histones provide a fine-tuned mechanism for regulating chromatin structure and dynamics. PTMs can alter direct interactions between histones and DNA and serve as docking sites for protein effectors, or readers, of these PTMs. Binding of the readers recruits or stabilizes various components of the nuclear signaling machinery at specific genomic sites, mediating fundamental DNA-templated processes, including gene transcription and DNA recombination, replication and repair. In this review, we highlight the latest advances in characterizing histone-binding mechanisms and identifying new epigenetic readers and summarize the functional significance of PTM recognition.
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