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DNA modification

Direct methylation sequencing

Sodium bisulfite is widely used in methylation sequencing, yet it degrades DNA, and on its own, it does not discriminate methylated cytosine from its oxidized derivative, 5-hydroxymethylcytosine. A new bisulfite-free technique uses enzymatic modification of DNA for direct and accurate methylation mapping.

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Fig. 1: Direct methylation sequencing by enzymatic modification of DNA.

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Correspondence to Abdulkadir Abakir.

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Competing interests

A.A. and W.R. are employed by Altos Labs. W.R. is a consultant and shareholder of CEGX.

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Abakir, A., Reik, W. Direct methylation sequencing. Nat Chem Biol 19, 932–933 (2023). https://doi.org/10.1038/s41589-023-01356-9

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