Linker histones: novel insights into structure-specific recognition of the nucleosome.
Linker histones: novel insights into structure-specific recognition of the nucleosome.
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DOI:
10.1139/bcb-2016-0097
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发表时间:
2017-04
期刊:
影响因子:
--
通讯作者:
Hayes JJ
中科院分区:
文献类型:
--
作者:
Cutter AR;Hayes JJ
Linker histones (H1s) are a primary component of metazoan chromatin, fulfilling numerous functions, both in vitro and in vivo, including stabilizing wrapping of DNA around the nucleosome, promoting folding and assembly of higher order chromatin structures influencing nucleosome spacing on DNA and regulating specific gene expression. However, many molecular details of how H1 binds to nucleosomes and recognizes unique structural features on the nucleosome surface remain undefined. Numerous, confounding studies are complicated not only by experimental limitations, but the use of different linker histone isoforms and nucleosome constructions. This review summarizes the decades of research that has resulted in several models of H1 association with nucleosomes, and focuses on recent advances that suggest modes of binding may influence chromatin organization while also highlighting remaining questions.
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