title: Stringent control in E. coli.
mesh_terms: D001426:Bacterial Proteins / Q000096:biosynthesis; D004586:Electrophoresis; D004926:Escherichia coli / Q000235:genetics / Q000378:metabolism*; D006159:Guanosine Tetraphosphate / Q000494:pharmacology; D009154:Mutation; D010641:Phenotype; D014176:Protein Biosynthesis / Q000187:drug effects; D012329:RNA, Bacterial / Q000096:biosynthesis*; D014158:Transcription, Genetic / Q000187:drug effects
chemical_list: D001426:Bacterial Proteins; D012329:RNA, Bacterial; D006159:Guanosine Tetraphosphate