title: Use of trimethoprim to obtain thymine-requiring mutants of Streptococcus faecalis.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001431:Bacteriological Techniques; D003470:Culture Media; D013293:Enterococcus faecalis / Q000187:drug effects* / Q000254:growth & development / Q000378:metabolism; D005493:Folic Acid Antagonists / Q000494:pharmacology*; D009154:Mutation / Q000187:drug effects*; D011743:Pyrimidines / Q000494:pharmacology*; D013941:Thymine / Q000378:metabolism*; D014295:Trimethoprim / Q000494:pharmacology
chemical_list: D000900:Anti-Bacterial Agents; D003470:Culture Media; D005493:Folic Acid Antagonists; D011743:Pyrimidines; D014295:Trimethoprim; D013941:Thymine