title: [Role of ammonium nitrogen in the biosynthesis of vitamin B 12 by Propionibacterium shermanii].
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D002474:Cell-Free System; D002701:Chloramphenicol / Q000494:pharmacology; D003470:Culture Media; D007982:Levulinic Acids / Q000378:metabolism; D009584:Nitrogen / Q000378:metabolism*; D011166:Porphyrins / Q000096:biosynthesis; D011424:Propionibacterium / Q000187:drug effects / Q000378:metabolism*; D000644:Quaternary Ammonium Compounds / Q000378:metabolism*; D014805:Vitamin B 12 / Q000096:biosynthesis*
chemical_list: D000596:Amino Acids; D003470:Culture Media; D007982:Levulinic Acids; D011166:Porphyrins; D000644:Quaternary Ammonium Compounds; D002701:Chloramphenicol; D009584:Nitrogen; D014805:Vitamin B 12
vernacular_title: Rol' ammoniĭnogo azota v biosinteze vitamina B 12 Propionibacterium shermanii.