N6-Methyladenosine co-transcriptionally directs the demethylation of histone H3K9me2

A dynamic epigenome is critical for appropriate gene expression in development and health 1 – 5 . Central to this is the intricate process of transcription 6 – 11 , which integrates cellular signaling with chromatin changes, transcriptional machinery and modifications to messenger RNA, such as N 6 -...

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Veröffentlicht in:Nature genetics 2020-09, Vol.52 (9), p.870-877
Hauptverfasser: Li, Yuan, Xia, Linjian, Tan, Kaifen, Ye, Xidong, Zuo, Zhixiang, Li, Minchun, Xiao, Rui, Wang, Zihan, Liu, Xiaona, Deng, Mingqiang, Cui, Jinru, Yang, Mengtian, Luo, Qizhi, Liu, Sun, Cao, Xin, Zhu, Haoran, Liu, Tianqi, Hu, Jiaxin, Shi, Junfang, Xiao, Shan, Xia, Laixin
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container_end_page 877
container_issue 9
container_start_page 870
container_title Nature genetics
container_volume 52
creator Li, Yuan
Xia, Linjian
Tan, Kaifen
Ye, Xidong
Zuo, Zhixiang
Li, Minchun
Xiao, Rui
Wang, Zihan
Liu, Xiaona
Deng, Mingqiang
Cui, Jinru
Yang, Mengtian
Luo, Qizhi
Liu, Sun
Cao, Xin
Zhu, Haoran
Liu, Tianqi
Hu, Jiaxin
Shi, Junfang
Xiao, Shan
Xia, Laixin
description A dynamic epigenome is critical for appropriate gene expression in development and health 1 – 5 . Central to this is the intricate process of transcription 6 – 11 , which integrates cellular signaling with chromatin changes, transcriptional machinery and modifications to messenger RNA, such as N 6 -methyladenosine (m 6 A), which is co-transcriptionally incorporated. The integration of these aspects of the dynamic epigenome, however, is not well understood mechanistically. Here we show that the repressive histone mark H3K9me2 is specifically removed by the induction of m 6 A-modified transcripts. We demonstrate that the methyltransferase METTL3/METTL14 regulates H3K9me2 modification. We observe a genome-wide correlation between m 6 A and occupancy by the H3K9me2 demethylase KDM3B, and we find that the m 6 A reader YTHDC1 physically interacts with and recruits KDM3B to m 6 A-associated chromatin regions, promoting H3K9me2 demethylation and gene expression. This study establishes a direct link between m 6 A and dynamic chromatin modification and provides mechanistic insight into the co-transcriptional interplay between RNA modifications and histone modifications. METTL3-induced deposition of N 6 -methyladenosine (m 6 A) in RNA correlates with removal of H3K9me2 genome wide. The m 6 A reader YTHDC1 recruits the H3K9me2 demethylase KDM3B to chromatin.
doi_str_mv 10.1038/s41588-020-0677-3
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subjects 13/1
13/44
13/89
14/19
14/34
38/39
38/77
45/91
631/208/177
631/337/176
631/337/2019
Agriculture
Animal Genetics and Genomics
Biomedical and Life Sciences
Biomedicine
Cancer Research
Chromatin
Demethylation
Epigenetics
Gene expression
Gene Function
Genomes
Histones
Human Genetics
Letter
Methyltransferase
mRNA
Occupancy
Ribonucleic acid
RNA
RNA polymerase
Stem cells
Transcription
title N6-Methyladenosine co-transcriptionally directs the demethylation of histone H3K9me2
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