title: [Stringent control in E. coli].
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D001426:Bacterial Proteins / Q000096:biosynthesis*; D004926:Escherichia coli / Q000378:metabolism*; D006150:Guanine Nucleotides / Q000096:biosynthesis; D009154:Mutation; D012329:RNA, Bacterial / Q000096:biosynthesis
chemical_list: D000596:Amino Acids; D001426:Bacterial Proteins; D006150:Guanine Nucleotides; D012329:RNA, Bacterial