title: Isolation and characterization of frameshift mutations in the lac operon.
mesh_terms: D000166:Acridines / Q000037:antagonists & inhibitors; D004926:Escherichia coli; D005696:Galactosidases / Q000032:analysis; D006146:Guanidines / Q000494:pharmacology; D008967:Molecular Biology; D009153:Mutagens / Q000494:pharmacology; D009154:Mutation; D009603:Nitroso Compounds / Q000494:pharmacology; D009876:Operon; D014161:Transduction, Genetic
chemical_list: D000166:Acridines; D006146:Guanidines; D009153:Mutagens; D009603:Nitroso Compounds; D005696:Galactosidases