DNA Repair Pathways
DNA Repair Pathways
E. coli cells possess five well-characterized mechanisms for the repair of defects in DNA:
(1) Direct Repair pathways( light-dependent repair or photoreactivation; direct alkylated base repair pathway (2) excision repair,
(3) mismatch repair,
(4) postreplication repair, and
(5) the error-prone repair system (SOS response).
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