title: Dehydrogenation and dealkylation of various sterols by Tetrahymena pyriformis.
mesh_terms: D000438:Alcohols / Q000037:antagonists & inhibitors / Q000096:biosynthesis / Q000302:isolation & purification; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D002784:Cholesterol / Q000494:pharmacology; D003500:Cyclization; D003640:Dealkylation; D011083:Polycyclic Compounds / Q000302:isolation & purification; D013185:Squalene; D013261:Sterols / Q000494:pharmacology; D013729:Terpenes / Q000037:antagonists & inhibitors / Q000096:biosynthesis / Q000302:isolation & purification; D013768:Tetrahymena / Q000187:drug effects / Q000378:metabolism*
chemical_list: D000438:Alcohols; D011083:Polycyclic Compounds; D013261:Sterols; D013729:Terpenes; D013185:Squalene; D002784:Cholesterol