title: The effect of a histidine operator-constitutive mutation on UV-induced mutability within the histidine operon of Salmonella typhimurium.
mesh_terms: D005827:Genetics, Microbial; D006639:Histidine; D009154:Mutation; D009876:Operon / Q000528:radiation effects; D011831:Radiation Genetics; D012486:Salmonella typhimurium / Q000528:radiation effects*; D013307:Streptomycin; D014466:Ultraviolet Rays
chemical_list: D006639:Histidine; D013307:Streptomycin