title: On the regulation of guanosine tetraphosphate levels in stringent and relaxed strains of Escherichia coli.
mesh_terms: D001120:Arginine / Q000494:pharmacology; D002845:Chromatography; D003087:Colicins / Q000302:isolation & purification; D003470:Culture Media; D004269:DNA, Bacterial / Q000032:analysis; D004926:Escherichia coli / Q000166:cytology / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism*; D005827:Genetics, Microbial; D005947:Glucose / Q000494:pharmacology; D006150:Guanine Nucleotides / Q000378:metabolism*; D007700:Kinetics; D008715:Methionine / Q000494:pharmacology; D009154:Mutation; D010710:Phosphates / Q000494:pharmacology; D010756:Phosphoric Acids / Q000378:metabolism; D010759:Phosphorus Isotopes; D012329:RNA, Bacterial / Q000032:analysis; D013386:Succinates / Q000494:pharmacology
chemical_list: D003087:Colicins; D003470:Culture Media; D004269:DNA, Bacterial; D006150:Guanine Nucleotides; D010710:Phosphates; D010756:Phosphoric Acids; D010759:Phosphorus Isotopes; D012329:RNA, Bacterial; D013386:Succinates; D001120:Arginine; D008715:Methionine; D005947:Glucose