title: Effect of UV induced DNA lesions on the activity of Escherichia coli DNA topoisomerases: a possible role of these enzymes in DNA repair.
mesh_terms: D004260:DNA Repair; D004264:DNA Topoisomerases, Type I / Q000235:genetics / Q000378:metabolism*; D004269:DNA, Bacterial / Q000528:radiation effects; D004278:DNA, Superhelical / Q000528:radiation effects; D004926:Escherichia coli / Q000235:genetics / Q000378:metabolism* / Q000528:radiation effects; D009154:Mutation; D011740:Pyrimidine Dimers / Q000528:radiation effects; D059004:Topoisomerase I Inhibitors; D014466:Ultraviolet Rays
chemical_list: D004269:DNA, Bacterial; D004278:DNA, Superhelical; D011740:Pyrimidine Dimers; D059004:Topoisomerase I Inhibitors; D004264:DNA Topoisomerases, Type I