The biological function and origin of m6A in DNA have been widely debated. A new study demonstrates that the majority of m6A in DNA originates from RNA catabolism via a nucleotide salvage pathway.
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Spingardi, P., Kriaucionis, S. How m6A sneaks into DNA. Nat Chem Biol 16, 604–605 (2020). https://doi.org/10.1038/s41589-020-0534-9
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DOI: https://doi.org/10.1038/s41589-020-0534-9