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Updated: Dec 11, 2025

A Method for Measuring RNA N6-methyladenosine Modifications in Cells and Tissues
Published on: December 5, 2016
Single-Nucleotide-Resolution Sequencing of N6-Methyldeoxyadenosine
1Genome Institute of Singapore, Singapore, Singapore. wsgoh@gis.a-star.edu.sg.
Abstract:
Use of methylation-specific antibodies with methylated-DNA-immunoprecipitation sequencing allows for the mapping of methylated DNA, such as N6-methyldeoxyadenosine (6mA). However, such mapping methods only detect methylated DNA at low resolution. Here, we describe 6mA Cross-linking Exonuclease sequencing (6mACE-seq), which utilizes 6mA-specific antibodies cross-linked to 6mA sites to protect 6mA-DNA fragments from subsequent exonuclease treatment. This allowed 6mACE-seq to map human-genome-wide 6mA at single-nucleotide resolution.
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