title: Quantitative evidence for enzymatically-indeced DNA double-strand breaks as lethal lesions in UV irradiated pol+ and polA1 strains of E. coli K-12.
mesh_terms: D004260:DNA Repair / Q000528:radiation effects; D004269:DNA, Bacterial / Q000378:metabolism / Q000528:radiation effects*; D004790:Enzyme Induction / Q000528:radiation effects; D004926:Escherichia coli / Q000201:enzymology / Q000378:metabolism / Q000528:radiation effects*; D011830:Radiation Effects; D014466:Ultraviolet Rays
chemical_list: D004269:DNA, Bacterial