title: Ultraviolet mutagenesis in polA and UvrA polA derivatives of Escherichia coli B-R: evidence for an inducible error-prone repair system.
mesh_terms: D004254:DNA Nucleotidyltransferases; D004260:DNA Repair; D004269:DNA, Bacterial; D004926:Escherichia coli / Q000528:radiation effects*; D009154:Mutation; D011831:Radiation Genetics; D014466:Ultraviolet Rays
chemical_list: D004269:DNA, Bacterial; D004254:DNA Nucleotidyltransferases