title: mRNA distal to polar nonsense and insertion mutation in the gal operon of E. coli.
mesh_terms: D003090:Coliphages; D004269:DNA, Bacterial; D004926:Escherichia coli / Q000378:metabolism*; D005690:Galactose / Q000096:biosynthesis*; D005827:Genetics, Microbial; D009154:Mutation; D009693:Nucleic Acid Hybridization; D009876:Operon; D012329:RNA, Bacterial; D012333:RNA, Messenger / Q000032:analysis*; D014158:Transcription, Genetic; D014161:Transduction, Genetic
chemical_list: D004269:DNA, Bacterial; D012329:RNA, Bacterial; D012333:RNA, Messenger; D005690:Galactose