title: Interaction in vivo between strong closely spaced constitutive promoters.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis; D004926:Escherichia coli / Q000235:genetics*; D005809:Genes, Regulator; D009154:Mutation; D009876:Operon; D012333:RNA, Messenger; D011995:Recombination, Genetic; D014158:Transcription, Genetic
chemical_list: D001426:Bacterial Proteins; D012333:RNA, Messenger