title: Classification and mapping of spontaneous and induced mutations in the histidine operon of Salmonella.
mesh_terms: D000166:Acridines; D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003433:Crosses, Genetic; D004269:DNA, Bacterial; D005796:Genes; D005816:Genetic Complementation Test; D005827:Genetics, Microbial; D006639:Histidine / Q000096:biosynthesis / Q000378:metabolism*; D007106:Immune Sera; D009150:Mustard Compounds; D009153:Mutagens; D009154:Mutation; D009604:Nitrosoguanidines; D009876:Operon; D012333:RNA, Messenger; D011995:Recombination, Genetic; D012486:Salmonella typhimurium / Q000201:enzymology / Q000276:immunology; D013489:Suppression, Genetic
chemical_list: D000166:Acridines; D004269:DNA, Bacterial; D007106:Immune Sera; D009150:Mustard Compounds; D009153:Mutagens; D009604:Nitrosoguanidines; D012333:RNA, Messenger; D006639:Histidine