title: Salmonella typhimurium hisG46 (R-Utrecht): possible use in screening mutagens and carcinogens.
abstract: Salmonella typhimurium LT2 hisG46 becomes a more sensitive strain for assaying mutagens and carcinogens when it carries the resistance transfer factor R-Utrecht.
mesh_terms: D000476:Alkanesulfonates / Q000494:pharmacology; D001431:Bacteriological Techniques; D002273:Carcinogens / Q000302:isolation & purification*; D004352:Drug Resistance, Microbial; D006639:Histidine / Q000378:metabolism; D009153:Mutagens / Q000302:isolation & purification*; D009154:Mutation; D009943:Organophosphorus Compounds / Q000494:pharmacology; D012486:Salmonella typhimurium / Q000187:drug effects* / Q000378:metabolism
chemical_list: D000476:Alkanesulfonates; D002273:Carcinogens; D009153:Mutagens; D009943:Organophosphorus Compounds; D006639:Histidine