The Nucleosome Family: Dynamic and Growing

被引:132
作者
Zlatanova, Jordanka [1 ]
Bishop, Thomas C. [2 ]
Victor, Jean-Marc [3 ,4 ]
Jackson, Vaughn [5 ]
van Holde, Ken [6 ]
机构
[1] Univ Wyoming, Dept Mol Biol, Laramie, WY 82071 USA
[2] Tulane Univ, Ctr Compuatat Sci, New Orleans, LA 70118 USA
[3] Univ Paris 06, UPMC, F-75252 Paris, France
[4] CNRS, UMR 7600, Lab Phys Theor Matiere Condensee, F-75252 Paris 5, France
[5] Med Coll Wisconsin, Dept Biochem, Milwaukee, WI 53226 USA
[6] Oregon State Univ, Dept Biochem & Biophys, Corvallis, OR 97331 USA
基金
美国国家科学基金会;
关键词
RNA-POLYMERASE-II; HISTONE (H3-H4)(2) TETRAMER; SINGLE CHROMATIN FIBERS; CORE PARTICLE; ANGSTROM RESOLUTION; IN-VIVO; PREFERENTIAL BINDING; ASSEMBLY PROTEIN-1; REVERSIBLE CHANGES; ARCHAEAL HISTONES;
D O I
10.1016/j.str.2008.12.016
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Ever since the discovery of the nucleosome in 1974, scientists have stumbled upon discrete particles in which DNA is wrapped around histone complexes of different stoichiometries: octasomes, hexasomes, tetrasomes, "split" half-nucleosomes, and, recently, bona fide hemisomes. Do all these particles exist in vivo? Under what conditions? What is their physiological significance in the complex DNA transactions in the eukaryotic nucleus? What are their dynamics? This review summarizes research spanning more than three decades and provides a new meaning to the term "nucleosome." The nucleosome can no longer be viewed as a single static entity: rather, it is a family of particles differing in their structural and dynamic properties, leading to different functionalities.
引用
收藏
页码:160 / 171
页数:12
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