Conservative homologous recombination preferentially repairs DNA double-strand breaks in the S phase of the cell cycle in human cells

Abstract excerpt

DNA double-strand breaks (DSBs) are repaired by either homologous recombination (HR) or non-homologous end joining (NHEJ) in mammalian cells. Repair with NHEJ or HR using single-strand annealing (SSA) often results in deletions and is generally referred to as non-conservative recombination. Error-free, conservative HR involves strand invasion and requires a homologous DNA template, and therefore it is generally...

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