Survival and induction of SOS in Escherichia coli treated with cisplatin, UV-irradiation, or mitomycin C are dependent on the function of the RecBC and RecFOR pathways of homologous recombination.

Abstract excerpt

Resistance of tumors to drugs such as cisplatin and mitomycin C (MMC) is an important factor limiting their usefulness in cancer chemotherapy. The antitumor effects of these drugs are due to the formation of bifunctional adducts in DNA, with cisplatin causing predominantly intrastrand-crosslinks and MMC causing interstrand-crosslinks. The SOS chromotest was used to study the cellular mechanisms that process DNA...

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