title: The effect of trimethoprim on RNA synthesis in relaxed and stringent Escherichia coli strains.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001426:Bacterial Proteins / Q000096:biosynthesis; D002855:Chromatography, Thin Layer; D003470:Culture Media; D004926:Escherichia coli / Q000187:drug effects* / Q000254:growth & development / Q000378:metabolism; D005493:Folic Acid Antagonists / Q000494:pharmacology*; D006147:Guanine / Q000494:pharmacology; D010759:Phosphorus Isotopes; D011685:Purine Nucleotides / Q000096:biosynthesis; D011687:Purines / Q000494:pharmacology; D011743:Pyrimidines / Q000494:pharmacology*; D012329:RNA, Bacterial / Q000096:biosynthesis*; D014295:Trimethoprim / Q000494:pharmacology; D014316:Tritium
chemical_list: D000900:Anti-Bacterial Agents; D001426:Bacterial Proteins; D003470:Culture Media; D005493:Folic Acid Antagonists; D010759:Phosphorus Isotopes; D011685:Purine Nucleotides; D011687:Purines; D011743:Pyrimidines; D012329:RNA, Bacterial; D014316:Tritium; D006147:Guanine; D014295:Trimethoprim