title: Polymyxin b: controlled biosynthesis.
mesh_terms: D001407:Bacillus / Q000378:metabolism*; D002849:Chromatography, Gas; D003470:Culture Media; D005227:Fatty Acids / Q000032:analysis; D006868:Hydrolysis; D011113:Polymyxins / Q000032:analysis / Q000096:biosynthesis* / Q000302:isolation & purification
chemical_list: D003470:Culture Media; D005227:Fatty Acids; D011113:Polymyxins