Histone H3 Lysine 4 Hypermethylation Prevents Aberrant Nucleosome Remodeling at the PHO5 Promoter
Histone H3 Lysine 4 Hypermethylation Prevents Aberrant Nucleosome Remodeling at the PHO5 Promoter
复制标题
组蛋白 H3 赖氨酸 4 高甲基化可防止 PHO5 启动子处的异常核小体重塑
DOI:
10.1128/mcb.05017-11
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发表时间:
2011-06
影响因子:
5.3
通讯作者:
Zhou, Jin-Qiu
中科院分区:
文献类型:
--
作者:
Wang, Shan-Shan;Zhou, Bo O.;Zhou, Jin-Qiu
ABSTRACT Recent studies have highlighted the histone H3K4 methylation (H3K4me)-dependent transcriptional repression in Saccharomyces cerevisiae; however, the underlying mechanism remains inexplicit. Here, we report that H3K4me inhibits the basal PHO5 transcription under high-phosphate conditions by suppressing nucleosome disassembly at the promoter. We found that derepression of the PHO5 promoter by SET1 deletion resulted in a labile chromatin structure, allowing more binding of RNA polymerase II (Pol II) but not the transactivators Pho2 and Pho4. We further showed that Pho23 and Cti6, two plant homeodomain (PHD)-containing proteins, cooperatively anchored the large Rpd3 (Rpd3L) complex to the H3K4-methylated PHO5 promoter. The deacetylation activity of Rpd3 on histone H3 was required for the function of Set1 at the PHO5 promoter. Taken together, our data suggest that Set1-mediated H3K4me suppresses nucleosome remodeling at the PHO5 promoter so as to reduce basal transcription of PHO5 under repressive conditions. We propose that the restriction of aberrant nucleosome remodeling contributes to strict control of gene transcription by the transactivators.
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影响因子:
14.9
作者:
Zhou J;Zhou BO;Lenzmeier BA;Zhou JQ
通讯作者:
Zhou JQ
DOI:
10.1002/j.1460-2075.1991.tb07957.x
发表时间:
1991-02
期刊:
The EMBO Journal
影响因子:
--
作者:
Christian Straka;W. Horz
通讯作者:
Christian Straka;W. Horz
影响因子:
11.4
作者:
Gregory, PD;Schmid, A;Hörz, W
通讯作者:
Hörz, W
影响因子:
5.3
作者:
P. Kolodziej;R. Young
通讯作者:
P. Kolodziej;R. Young
DOI:
10.1073/pnas.0800057105
发表时间:
2008-07
期刊:
Proceedings of the National Academy of Sciences
影响因子:
--
作者:
Stephanie K. Williams;David Truong;J. Tyler
通讯作者:
Stephanie K. Williams;David Truong;J. Tyler