Human CtIP mediates cell cycle control of DNA end resection and double strand break repair.

Abstract excerpt

In G(0) and G(1), DNA double strand breaks are repaired by nonhomologous end joining, whereas in S and G(2), they are also repaired by homologous recombination. The human CtIP protein controls double strand break (DSB) resection, an event that occurs effectively only in S/G(2) and that promotes homologous recombination but not non-homologous end joining. Here, we mutate a highly conserved cyclin-dependent kinase...

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