Large-scale ATP-independent nucleosome unfolding by a histone chaperone.
Large-scale ATP-independent nucleosome unfolding by a histone chaperone.
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由组蛋白伴侣展开的大规模 ATP 独立核小体。
DOI:
10.1038/nsmb.3321
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发表时间:
2016-12
影响因子:
16.8
通讯作者:
Feofanov AV
中科院分区:
文献类型:
--
作者:
Valieva ME;Armeev GA;Kudryashova KS;Gerasimova NS;Shaytan AK;Kulaeva OI;McCullough LL;Formosa T;Georgiev PG;Kirpichnikov MP;Studitsky VM;Feofanov AV
DNA accessibility to regulatory proteins is significantly affected by nucleosome structure and dynamics. FACT (facilitates chromatin transcription) increases the accessibility of nucleosomal DNA but the mechanism and extent of this nucleosome reorganization are unknown. We report here the effects of FACT on single nucleosomes revealed with spFRET microscopy. FACT binding results in a dramatic, ATP-independent, and reversible uncoiling of DNA that affects at least 70% of the DNA in a nucleosome. A mutated version of FACT is defective in this uncoiling, and a histone mutation that suppresses phenotypes caused by this FACT mutation in vivo restores the uncoiling activity in vitro. Thus FACT-dependent nucleosome unfolding modulates the accessibility of nucleosomal DNA, and this is an important function of FACT in vivo.
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影响因子:
3.3
作者:
McCullough, Laura;Rawlins, Robert;Formosa, Tim
通讯作者:
Formosa, Tim
DOI:
10.1016/j.bbagrm.2011.07.009
发表时间:
2012-03
影响因子:
4.7
作者:
Formosa, Tim
通讯作者:
Formosa, Tim
影响因子:
64.5
作者:
Ransom M;Dennehey BK;Tyler JK
通讯作者:
Tyler JK
影响因子:
16
作者:
Jamai, Adil;Imoberdorf, Rachel Maria;Strubin, Michel
通讯作者:
Strubin, Michel
影响因子:
64.8
作者:
Hondele, Maria;Stuwe, Tobias;Ladurner, Andreas G.
通讯作者:
Ladurner, Andreas G.