Enhancer RNA m6A methylation facilitates transcriptional condensate formation and gene activation.
Enhancer RNA m6A methylation facilitates transcriptional condensate formation and gene activation.
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DOI:
10.1016/j.molcel.2021.07.024
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发表时间:
2021-08-19
期刊:
影响因子:
16
通讯作者:
Li W
中科院分区:
文献类型:
--
作者:
Lee JH;Wang R;Xiong F;Krakowiak J;Liao Z;Nguyen PT;Moroz-Omori EV;Shao J;Zhu X;Bolt MJ;Wu H;Singh PK;Bi M;Shi CJ;Jamal N;Li G;Mistry R;Jung SY;Tsai KL;Ferreon JC;Stossi F;Caflisch A;Liu Z;Mancini MA;Li W
The mechanistic understanding of nascent RNAs in transcriptional control remains limited. Here, by a high sensitivity method MINT-Seq, we characterized the landscapes of N6-methyladenosine (m6A) on nascent RNAs. We uncover heavy but selective m6A deposition on nascent RNAs produced by transcription regulatory elements including promoter upstream antisense RNAs and enhancer RNAs (eRNAs), which positively correlates with their length, inclusion of m6A motif (RRACH), and RNA abundances. m6A-eRNAs mark highly active enhancers, where they recruit nuclear m6A reader YTHDC1 to phase separate into liquid-like condensates, in a manner dependent on its C-terminus intrinsically disordered region and arginine residues. The m6A-eRNA/YTHDC1 condensate co-mixes with and facilitates the formation of BRD4 coactivator condensate. Consequently, YTHDC1 depletion diminished BRD4 condensate and its recruitment to enhancers, resulting in inhibited enhancer and gene activation. We propose that chemical modifications of eRNAs together with reader proteins play broad roles in enhancer activation and gene transcriptional control. (149 words) Lee, Wang and Xiong et al. characterized nascent RNA m6A methylome in human cells, finding a pervasive existence of m6A-marked eRNAs. These m6A-modified eRNAs recruit the nuclear m6A reader YTHDC1 to partition into liquid-like condensates, which facilitate formation of transcriptional activator condensates and therefore gene activation.
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影响因子:
16
作者:
Duffy EE;Rutenberg-Schoenberg M;Stark CD;Kitchen RR;Gerstein MB;Simon MD
通讯作者:
Simon MD
影响因子:
4
作者:
Bedi, Rajiv Kumar;Huang, Danzhi;Sledz, Pawel
通讯作者:
Sledz, Pawel
影响因子:
16
作者:
Chiu AC;Suzuki HI;Wu X;Mahat DB;Kriz AJ;Sharp PA
通讯作者:
Sharp PA
DOI:
10.1261/rna.065219.117
发表时间:
2018-03
期刊:
RNA (New York, N.Y.)
影响因子:
--
作者:
Darnell RB;Ke S;Darnell JE Jr
通讯作者:
Darnell JE Jr
影响因子:
64.5
作者:
Boija A;Klein IA;Sabari BR;Dall'Agnese A;Coffey EL;Zamudio AV;Li CH;Shrinivas K;Manteiga JC;Hannett NM;Abraham BJ;Afeyan LK;Guo YE;Rimel JK;Fant CB;Schuijers J;Lee TI;Taatjes DJ;Young RA
通讯作者:
Young RA