Nucleosome positioning: How is it established, and why does it matter?

被引:198
|
作者
Radman-Livaja, Marta [1 ]
Rando, Oliver J. [1 ]
机构
[1] Univ Massachusetts, Sch Med, Dept Mol Pharmacol & Biochem, Worcester, MA 01605 USA
关键词
Chromatin; Nucleosome; Epigenetics; Transcription; Genomics; DNA TARGET SITES; YEAST SACCHAROMYCES-CEREVISIAE; CHROMATIN-REMODELING COMPLEXES; GENE-EXPRESSION; TRANSCRIPTION FACTOR; IN-VIVO; BUDDING YEAST; EQUILIBRIUM ACCESSIBILITY; PROMOTER NUCLEOSOMES; FACILITATED BINDING;
D O I
10.1016/j.ydbio.2009.06.012
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Packaging of eukaryotic genomes into chromatin affects every process that occurs on DNA. The positioning of nucleosomes on underlying DNA plays a key role in the regulation of these processes, as the nucleosome occludes underlying DNA sequences. Here, we review the literature on mapping nucleosome positions in various organisms, and discuss how nucleosome positions are established, what effect nucleosome positioning has on control of gene expression, and touch on the correlations between chromatin packaging, sequence evolution, and the evolution of gene expression programs. (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码:258 / 266
页数:9
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