2. Academic Validation
  3. N6-methyladenosine-dependent regulation of messenger RNA stability

N6-methyladenosine-dependent regulation of messenger RNA stability

  • Nature. 2014 Jan 2;505(7481):117-20. doi: 10.1038/nature12730.
Xiao Wang 1,  Zhike Lu 1,  Adrian Gomez 1,  Gary C Hon 2,  Yanan Yue 1,  Dali Han 1,  Ye Fu 1,  Marc Parisien 3,  Qing Dai 1,  Guifang Jia 4,  Bing Ren 2,  Tao Pan 3,  Chuan He 1
Affiliations

Affiliations

  • 1 Department of Chemistry and Institute for Biophysical Dynamics, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, USA.
  • 2 Ludwig Institute for Cancer Research, Department of Cellular and Molecular Medicine, UCSD Moores Cancer Center and Institute of Genome Medicine, University of California, San Diego School of Medicine, 9500 Gilman Drive, La Jolla, California 92093-0653, USA.
  • 3 Department of Biochemistry and Molecular Biology and Institute for Biophysical Dynamics, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, USA.
  • 4 1] Department of Chemistry and Institute for Biophysical Dynamics, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, USA [2] Department of Chemical Biology and Synthetic and Functional Biomolecules Center, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
PMID: 24284625 DOI: 10.1038/nature12730
Abstract

N(6)-methyladenosine (m(6)A) is the most prevalent internal (non-cap) modification present in the messenger RNA of all higher eukaryotes. Although essential to cell viability and development, the exact role of m(6)A modification remains to be determined. The recent discovery of two m(6)A demethylases in mammalian cells highlighted the importance of m(6)A in basic biological functions and disease. Here we show that m(6)A is selectively recognized by the human YTH domain family 2 (YTHDF2) 'reader' protein to regulate mRNA degradation. We identified over 3,000 cellular RNA targets of YTHDF2, most of which are mRNAs, but which also include non-coding RNAs, with a conserved core motif of G(m(6)A)C. We further establish the role of YTHDF2 in RNA metabolism, showing that binding of YTHDF2 results in the localization of bound mRNA from the translatable pool to mRNA decay sites, such as processing bodies. The carboxy-terminal domain of YTHDF2 selectively binds to m(6)A-containing mRNA, whereas the amino-terminal domain is responsible for the localization of the YTHDF2-mRNA complex to cellular RNA decay sites. Our results indicate that the dynamic m(6)A modification is recognized by selectively binding proteins to affect the translation status and lifetime of mRNA.

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