title: Level of messenger RNA transcribed from the histidine operon in repressed, derepressed and histidine-starved Salmonella typhimurium.
mesh_terms: D004269:DNA, Bacterial; D005815:Genetic Code; D006639:Histidine / Q000378:metabolism; D008967:Molecular Biology; D009154:Mutation; D009876:Operon; D012329:RNA, Bacterial / Q000032:analysis / Q000096:biosynthesis; D012333:RNA, Messenger / Q000032:analysis* / Q000096:biosynthesis; D012486:Salmonella typhimurium / Q000032:analysis*
chemical_list: D004269:DNA, Bacterial; D012329:RNA, Bacterial; D012333:RNA, Messenger; D006639:Histidine