TY - GEN AU - Aono,H AU - Angelosanto,F AU - Balbinder,E TI - Operator and promoter are separate in the tryptophan operon in Salmonella typhimurium SN - 0028-0836 PY - 1974///1228 KW - Carbon Radioisotopes KW - Centrifugation, Density Gradient KW - Chromosome Mapping KW - Genes KW - Kinetics KW - Mutation KW - Nucleic Acid Hybridization KW - Operon KW - RNA, Messenger KW - analysis KW - Recombination, Genetic KW - Rifampin KW - pharmacology KW - Salmonella typhimurium KW - metabolism KW - Transcription, Genetic KW - drug effects KW - Tritium KW - Tryptophan KW - Tryptophan Synthase KW - biosynthesis N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/251119a0 ER -