title: Genetic analysis of the histidine operon control region of Salmonella typhimurium.
mesh_terms: D002872:Chromosome Deletion; D002876:Chromosomes, Bacterial; D005786:Gene Expression Regulation; D005796:Genes; D006639:Histidine / Q000235:genetics*; D009154:Mutation; D009876:Operon; D010641:Phenotype; D012486:Salmonella typhimurium / Q000235:genetics*; D013307:Streptomycin / Q000494:pharmacology; D013489:Suppression, Genetic; D014161:Transduction, Genetic
chemical_list: D006639:Histidine; D013307:Streptomycin