title: Isolation of polar insertion mutants and the direction of transcription of ribosomal protein genes in E. coli.
mesh_terms: D002874:Chromosome Mapping; D003090:Coliphages; D004262:DNA Restriction Enzymes; D004269:DNA, Bacterial / Q000032:analysis / Q000378:metabolism; D004926:Escherichia coli / Q000378:metabolism*; D005796:Genes; D008854:Microscopy, Electron; D009154:Mutation; D012329:RNA, Bacterial / Q000096:biosynthesis; D012269:Ribosomal Proteins / Q000096:biosynthesis*; D014158:Transcription, Genetic; D014161:Transduction, Genetic
chemical_list: D004269:DNA, Bacterial; D012329:RNA, Bacterial; D012269:Ribosomal Proteins; D004262:DNA Restriction Enzymes