title: Operator constitutive mutations in the leucine operon of Salmonella typhimurium.
mesh_terms: D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D004352:Drug Resistance, Microbial; D007930:Leucine / Q000096:biosynthesis*; D009154:Mutation; D009876:Operon; D012486:Salmonella typhimurium; D014161:Transduction, Genetic
chemical_list: D007930:Leucine