title: Determinants for regulation and initiation of expression of tryptophan genes.
mesh_terms: D000477:Alkylating Agents / Q000494:pharmacology; D002874:Chromosome Mapping; D004269:DNA, Bacterial; D005796:Genes / Q000502:physiology*; D005809:Genes, Regulator / Q000502:physiology*; D009153:Mutagens / Q000494:pharmacology; D009154:Mutation; D009603:Nitroso Compounds / Q000494:pharmacology; D011687:Purines / Q000494:pharmacology; D012333:RNA, Messenger / Q000096:biosynthesis; D012486:Salmonella typhimurium; D014161:Transduction, Genetic; D014364:Tryptophan / Q000096:biosynthesis*
chemical_list: D000477:Alkylating Agents; D004269:DNA, Bacterial; D009153:Mutagens; D009603:Nitroso Compounds; D011687:Purines; D012333:RNA, Messenger; D014364:Tryptophan