Human TFIIH Kinase CDK7 Regulates Transcription-Associated Chromatin Modifications.
Human TFIIH Kinase CDK7 Regulates Transcription-Associated Chromatin Modifications.
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人 TFIIH 激酶 CDK7 调节转录相关的染色质修饰。
DOI:
10.1016/j.celrep.2017.07.021
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发表时间:
2017-08-01
期刊:
影响因子:
8.8
通讯作者:
Taatjes DJ
中科院分区:
文献类型:
--
作者:
Ebmeier CC;Erickson B;Allen BL;Allen MA;Kim H;Fong N;Jacobsen JR;Liang K;Shilatifard A;Dowell RD;Old WM;Bentley DL;Taatjes DJ
CDK7 phosphorylates the RNA polymerase II (pol II) CTD and activates the P-TEFb-associated kinase, CDK9, but its regulatory roles remain obscure. Here, using human CDK7 analog-sensitive (CDK7as) cells, we observed reduced capping enzyme recruitment, increased pol II promoter-proximal pausing, and defective termination at gene 3′-ends upon CDK7 inhibition. We also noted CDK7 regulates chromatin modifications downstream of transcription start sites. H3K4me3 spreading was restricted at gene 5′-ends and H3K36me3 was displaced toward gene 3′-ends in CDK7as cells. Mass spectrometry identified factors that bound TFIIH-phosphorylated vs. P-TEFb-phosphorylated CTD (vs. unmodified); capping enzymes and H3K4 methyltransferase complexes, SETD1A/B, selectively bound phosphorylated CTD and the H3K36 methyltransferase SETD2 specifically bound P-TEFb-phosphorylated CTD. Moreover, TFIIH-phosphorylated CTD stimulated SETD1A/B activity toward nucleosomes, revealing a mechanistic basis for CDK7 regulation of H3K4me3 spreading. Collectively, these results implicate a CDK7-dependent “CTD code” that regulates chromatin marks in addition to RNA processing and pol II pausing.
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DOI:
10.1073/pnas.0903642106
发表时间:
2009-08-25
影响因子:
11.1
作者:
Hong, Sun Woo;Hong, Seong Min;Lee, Dong-ki
通讯作者:
Lee, Dong-ki
DOI:
10.1073/pnas.160266597
发表时间:
2000-08-01
影响因子:
11.1
作者:
Carty, SM;Goldstrohm, AC;Greenleaf, AL
通讯作者:
Greenleaf, AL
影响因子:
64.5
作者:
Chen FX;Woodfin AR;Gardini A;Rickels RA;Marshall SA;Smith ER;Shiekhattar R;Shilatifard A
通讯作者:
Shilatifard A
影响因子:
5.3
作者:
Kelso, Timothy W. R.;Baumgart, Karen;Meisterernst, Michael
通讯作者:
Meisterernst, Michael
影响因子:
16
作者:
Buratowski S
通讯作者:
Buratowski S