title: Rifampin as a selective agent for isolation of oral spirochetes.
abstract: Spirochetes indigenous to the healthy gingival crevice of the human mouth were isolated directly from colonies in agar medium containing rifampin as a selective agent.
mesh_terms: D000362:Agar; D005881:Gingiva / Q000382:microbiology*; D006801:Humans; D008854:Microscopy, Electron; D012293:Rifampin / Q000494:pharmacology*; D013144:Spirochaetales / Q000187:drug effects / Q000254:growth & development / Q000302:isolation & purification*; D014208:Treponema / Q000302:isolation & purification
chemical_list: D000362:Agar; D012293:Rifampin