Where, When, and How: Context-Dependent Functions of RNA Methylation Writers, Readers, and Erasers

Cellular RNAs are naturally decorated with a variety of chemical modifications. The structural diversity of the modified nucleosides provides regulatory potential to sort groups of RNAs for organized metabolism and functions, thus affecting gene expression. Recent years have witnessed a burst of int...

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Veröffentlicht in:Molecular cell Jg. 74; H. 4; S. 640
Hauptverfasser: Shi, Hailing, Wei, Jiangbo, He, Chuan
Format: Journal Article
Sprache:Englisch
Veröffentlicht: United States 16.05.2019
Schlagworte:
Adenosine - analogs & derivatives
Adenosine - genetics
Eukaryotic Cells - metabolism
Gene Expression Regulation - genetics
Methylation
Organ Specificity - genetics
RNA - genetics
RNA Processing, Post-Transcriptional - genetics
RNA, Messenger - genetics
Transcriptome
FTO
gene expression regulation
METTL14
N-methyladenosine
mA
METTL3
YTHDF proteins
context-dependent functions
epitranscriptome
RNA modifications
ISSN:1097-4164, 1097-4164
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Zusammenfassung:Cellular RNAs are naturally decorated with a variety of chemical modifications. The structural diversity of the modified nucleosides provides regulatory potential to sort groups of RNAs for organized metabolism and functions, thus affecting gene expression. Recent years have witnessed a burst of interest in and understanding of RNA modification biology, thanks to the emerging transcriptome-wide sequencing methods for mapping modified sites, highly sensitive mass spectrometry for precise modification detection and quantification, and extensive characterization of the modification "effectors," including enzymes ("writers" and "erasers") that alter the modification level and binding proteins ("readers") that recognize the chemical marks. However, challenges remain due to the vast heterogeneity in expression abundance of different RNA species, further complicated by divergent cell-type-specific and tissue-specific expression and localization of the effectors as well as modifications. In this review, we highlight recent progress in understanding the function of N -methyladenosine (m A), the most abundant internal mark on eukaryotic mRNA, in light of the specific biological contexts of m A effectors. We emphasize the importance of context for RNA modification regulation and function.
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ISSN:1097-4164
1097-4164
DOI:10.1016/j.molcel.2019.04.025