title: Evidence for premature termination of transcription of the tryptophan operon in polarity mutants of Escherichia coli.
mesh_terms: D002874:Chromosome Mapping; D004926:Escherichia coli / Q000378:metabolism*; D005815:Genetic Code; D005827:Genetics, Microbial; D009154:Mutation; D009876:Operon; D012333:RNA, Messenger / Q000096:biosynthesis; D014316:Tritium; D014364:Tryptophan / Q000378:metabolism*; D014529:Uridine / Q000378:metabolism
chemical_list: D012333:RNA, Messenger; D014316:Tritium; D014364:Tryptophan; D014529:Uridine