N6-methyladenosine modification destabilizes developmental regulators in embryonic stem cells

被引：1103

作者：

Wang, Yang ^{[1
]}

Li, Yue ^{[2
]}

Toth, Julia I. ^{[1
]}

Petroski, Matthew D. ^{[1
]}

Zhang, Zhaolei ^{[2
,3
]}

Zhao, Jing Crystal ^{[1
]}

机构：

[1] Sanford Burnham Med Res Inst, NCI Designated Canc Ctr, Tumor Initiat & Maintenance Program, La Jolla, CA 92037 USA

[2] Univ Toronto, Dept Comp Sci, Donnelly Ctr, Toronto, ON M5S 3G4, Canada

[3] Univ Toronto, Banting & Best Dept Med Res, Donnelly Ctr Cellular & Biomol Res, Dept Mol Genet, Toronto, ON M5S 3G4, Canada

来源：

NATURE CELL BIOLOGY | 2014年 / 16卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

MESSENGER-RNA; BINDING-SITES; METHYLATION; SUBUNIT; HUR;

D O I：

10.1038/ncb2902

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

N-6-methyladenosine (m(6)A) has been identified as the most abundant internal modification of messenger RNA in eukaryotes(1). m(6)A modification is involved in cell fate determination in yeast(2,3) and embryo development in plants(4,5). Its mammalian function remains unknown but thousands of mammalian mRNAs and long non-coding RNAs (IncRNAs) show m(6)A modification(6,7) and m(6)A demethylases are required for mammalian energy homeostasis and fertility(8,9). We identify two proteins, the putative m(6)A MTase, methyltransferase-like 3 (Mettl3; ref. 10), and a related but uncharacterized protein Mettl14, that function synergistically to control m(6)A formation in mammalian cells. Knockdown of Mettl3 and Mettl14 in mouse embryonic stem cells (mESCs) led to similar phenotypes, characterized by lack of m(6)A RNA methylation and lost self-renewal capability. A large number of transcripts, including many encoding developmental regulators, exhibit m(6)A methylation inversely correlated with mRNA stability and gene expression. The human antigen R (HuR) and microRNA pathways were linked to these effects. This gene regulatory mechanism operating in mESCs through m(6)A methylation is required to keep mESCs at their ground state and may be relevant to thousands of mRNAs and IncRNAs in various cell types.

引用

页码：191 / 198

页数：8

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