Repair of DNA Double-Strand Breaks by the Nonhomologous End Joining Pathway.
Repair of DNA Double-Strand Breaks by the Nonhomologous End Joining Pathway.
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DOI:
10.1146/annurev-biochem-080320-110356
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发表时间:
2021-06-20
影响因子:
16.6
通讯作者:
Loparo JJ
中科院分区:
文献类型:
--
作者:
Stinson BM;Loparo JJ
DNA double strand breaks (DSBs) pose a serious threat to genome stability. In vertebrates, these breaks are predominantly repaired by non-homologous end joining (NHEJ), which pairs DNA ends in a multi-protein synaptic complex to promote their direct ligation. NHEJ is a highly versatile pathway that utilizes an array of processing enzymes to modify damaged DNA ends and enable their ligation. The mechanisms of end synapsis and end processing have important implications for genome stability. Rapid and stable synapsis is necessary to limit chromosome translocations that result from the mispairing of DNA ends. Furthermore, end processing must be tightly regulated to minimize mutations at the break site. Here we review our current mechanistic understanding of vertebrate NHEJ, with a particular focus on end synapsis and processing.
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D'Andrea AD
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Carney SM;Moreno AT;Piatt SC;Cisneros-Aguirre M;Lopezcolorado FW;Stark JM;Loparo JJ
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Loparo JJ