Molecular Mechanisms Driving mRNA Degradation by m(6)A Modification
- Authors
- Lee, Yujin; Choe, Junho; Park, Ok Hyun; Kim, Yoon Ki
- Issue Date
- 3월-2020
- Publisher
- ELSEVIER SCIENCE LONDON
- Keywords
- circular RNA; endoribonucleolytic cleavage; HRSP12; m6A modification; RNase P/MRP; YTHDF2
- Citation
- TRENDS IN GENETICS, v.36, no.3, pp.177 - 188
- Indexed
- SCIE
SCOPUS
- Journal Title
- TRENDS IN GENETICS
- Volume
- 36
- Number
- 3
- Start Page
- 177
- End Page
- 188
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/57556
- DOI
- 10.1016/j.tig.2019.12.007
- ISSN
- 0168-9525
- Abstract
- N-6-Methyladenosine (m(6)A), the most prevalent internal modification associated with eukaryotic mRNAs, influences many steps of mRNA metabolism, including splicing, export, and translation, as well as stability. Recent studies have revealed that m(6)A-containing mRNAs undergo one of two distinct pathways of rapid degradation: deadenylation via the YT521-B homology (YTH) domain-containing family protein 2 (YTHDF2; an m(6)A reader protein)-CCR4/NOT (deadenylase) complex or endoribonucleolytic cleavage by the YTHDF2-HRSP12-ribonuclease (RNase) P/mitochondrial RNA-processing (MRP) (endoribonuclease) complex. Some m(6)A-containing circular RNAs (circRNAs) are also subject to endoribonucleolytic cleavage by YTHDF2-HRSP12-RNase P/MRP. Here, we highlight recent progress on the molecular mechanisms underlying rapid mRNA degradation via m(6)A and describe our current understanding of the dynamic regulation of m(6)A-mediated mRNA decay through the crosstalk between m(6)A (or YTHDF2) and other cellular factors.
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