m 6 A-Atlas v2.0: updated resources for unraveling the N 6 -methyladenosine (m 6 A) epitr anscript ome among multiple species

Zhanmin Liang, Haokai Ye, Jiongming Ma, Zhen Wei*, Yue Wang, Yuxin Zhang, Daiyun Huang, Bowen Song, Jia Meng, Daniel J. Rigden, Kunqi Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

N 6 -Methyladenosine (m 6 A) is one of the most abundant internal chemical modifications on eukaryote mRNA and is in v olv ed in numerous essential molecular functions and biological processes. To facilitate the study of this important post-transcriptional modification, we present here m 6 A-Atlas v2.0, an updated version of m 6 A-Atlas. It was expanded to include a total of 797 091 reliable m 6 A sites from 13 high-resolution technologies and two single-cell m 6 A profiles. Additionally, three methods (exomeP eaks2, MA CS2 and TRESS) were used to identify > 16 million m 6 A enrichment peaks from 2712 MeRIP-seq experiments covering 651 conditions in 42 species. Quality control results of MeRIP-seq samples were also provided to help users to select reliable peaks. We also estimated the condition-specific quantitative m 6 A profiles (i.e. differential methylation) under 172 e xperimental conditions f or 19 species. Further, to pro vide insights into potential functional circuitry, the m 6 A epitranscriptomics were annotated with various genomic features, interactions with RNA-binding proteins and microRNA, potentially linked splicing events and single nucleotide polymorphisms. The collected m 6 A sites and their functional annotations can be freely queried and downloaded via a user-friendly graphical interface at: http:// rnamd.org/ m6a.

Original languageEnglish
Pages (from-to)D194-D202
JournalNucleic Acids Research
Volume52
Issue numberD1
DOIs
Publication statusPublished - 5 Jan 2024

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