title: Biosynthesis of rifamycins.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003470:Culture Media; D005827:Genetics, Microbial; D009615:Nocardia / Q000201:enzymology / Q000378:metabolism; D012294:Rifamycins / Q000096:biosynthesis*
chemical_list: D003470:Culture Media; D012294:Rifamycins