title: Different half-lives of messenger RNA corresponding to different segments of the tryptophan operon of Escherichia coli.
mesh_terms: D002869:Chromosome Aberrations; D002876:Chromosomes, Bacterial; D004926:Escherichia coli / Q000201:enzymology / Q000378:metabolism*; D005809:Genes, Regulator; D005827:Genetics, Microbial; D006207:Half-Life; D007700:Kinetics; D009693:Nucleic Acid Hybridization; D009876:Operon; D012329:RNA, Bacterial; D012333:RNA, Messenger / Q000378:metabolism*; D014158:Transcription, Genetic; D014316:Tritium; D014364:Tryptophan; D014367:Tryptophan Synthase / Q000032:analysis; D014529:Uridine / Q000378:metabolism
chemical_list: D012329:RNA, Bacterial; D012333:RNA, Messenger; D014316:Tritium; D014364:Tryptophan; D014367:Tryptophan Synthase; D014529:Uridine