Abstract
DNA end resection is a critical step in the homologous recombination pathway of repairing DNA double-strand breaks (DSBs) that can be visualized in cells by detecting the generation of single-stranded DNA (ssDNA) intermediates formed during the resection of the DSBs. Here, we describe quantitative polymerase-chain-reaction-based procedures to quantitatively measure ssDNA intermediates formed during the DNA end resection. Using the ER-AsiSI system, we use differential digestion patterns by restriction endonucleases that digest unresected double-stranded DNA at DSB sites. For complete details on the use and execution of this protocol, please refer to Fitieh etal. (2022).1.
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