Selective utilization of nonhomologous end-joining and homologous recombination DNA repair pathways during nervous system development

Abstract excerpt

The repair of DNA double-strand breaks (DSBs) occurs via nonhomologous end-joining (NHEJ) or homologous recombination (HR). These mechanistically distinct pathways are critical for maintenance of genomic integrity and organismal survival. Although inactivation of either pathway leads to embryonic lethality, here we show selective requirements for each DNA DSB repair pathway at different stages of mammalian...

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