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Updated: Nov 25, 2025

A Method for Measuring RNA N6-methyladenosine Modifications in Cells and Tissues
Published on: December 5, 2016
Transcriptome-wide analysis reveals spatial correlation between N6-methyladenosine and binding sites of microRNAs and
Sukhen Das Mandal1, Partho Sarothi Ray1
1Department of Biological Sciences, Indian Institute of Science Education and Research, Kolkata, Mohanpur, Nadia, 741246, West Bengal, India.
Abstract:
N6-methyladenosine (m6A), the most prevalent epitranscriptomic modification in eukaryotes, is enriched in 3'-untranslated regions (3'UTRs) of mRNAs. As 3'UTRs are major binding sites of RNA-binding proteins (RBPs) and microRNAs (miRNAs), m6A-dependent local RNA structure change may alter the accessibility of RBPs and miRNAs to their target sites and regulate mRNA function. Using a human transcriptome-wide computational analysis to investigate the relation between m6A, RBPs and miRNAs, we find a strong positive correlation between number of m6A sites, miRNAs and RBPs binding to mRNAs, suggesting m6A-modified mRNAs are more targeted by miRNAs and RBPs. Moreover, m6A sites are located proximally to miRNA target sites and binding sites of multiple RBPs. Further, miRNA target sites and RBP-binding sites located close to each other are also located proximally to m6A. This study indicates three-way interplay between m6A, microRNA and RBP binding, suggesting the influence of mRNA modifications on the miRNA and RBP interactomes.
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