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Cellular DNA and RNA are decorated with diverse chemical modifications, which add new layers to gene regulation and play crucial roles across development and disease progression. Interest in understanding the functions of DNA and RNA modifications, as well as the related molecular mechanisms, has been growing, driving progress in developing chemical and biochemical tools to detect specific modifications. New technologies are important not only for uncovering biological functions, but also for driving conceptual revolutions. In this review, we highlighted our recent advances in developing new chemical tools to detect DNA and RNA modifications in a direct, quantitative, and base-resolution manner. These includes a novel borane reduction chemistry for DNA methylation sequencing; new cytosine modificaiton oxdation chemistry for enhanced DNA hydroxymethylation sequencing; and a novel bromoacrylamide cyclization chemistry for RNA pseudouridylation sequencing. We present a mechanistic overview of these tools and their applications in epigenetic and epitranscriptomic research.

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Journal article


Israel Journal of Chemistry

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