After UV irradiation, damaged DNA repaired through excision repair systems including the processes of DNA nicking near damaged site, DNA repair replication and DNA ligation.
After UV irradiation, damaged DNA repaired through excision repair systems including the processes of DNA nicking near damaged site, DNA repair replication and DNA ligation.
DNA被紫外线损伤后,由DNA切除修复酶切除嘧啶二聚体,随之以另一条正常的DNA链为模板修复合成DNA片段,最后由DNA连接酶将新合成的DNA片与原有的DNA链连接。