Mapping messenger RNA methylations at single base resolution
- PMID: 33684855
- DOI: 10.1016/j.cbpa.2021.02.001
Mapping messenger RNA methylations at single base resolution
Abstract
The messenger RNA (mRNA) methylations in mammalian cells have been found to contain N6-methyladenosine (m6A), N6-2'-O-dimethyladenosine (m6Am), 7-methylguanosine (m7G), 1-methyladenosine (m1A), 5-methylcytosine (m5C), and 2'-O-methylation (2'-OMe). Their regulatory functions in control of mRNA fate and gene expression are being increasingly uncovered. To unambiguously understand the critical roles of mRNA methylations in physiological and pathological processes, mapping these methylations at single base resolution is highly required. Here, we will review the progresses made in methylation sequencing methodologies developed mainly in recent two years, with an emphasis on chemical labeling-assisted single base resolution methods, and discuss the problems and prospects as well.
Keywords: Chemical labeling methods; Single base resolution; m(6)A; m(7)G; mRNA methylation.
Copyright © 2021 Elsevier Ltd. All rights reserved.
Conflict of interest statement
Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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