title: Mutation and the production of secondary metabolites.
mesh_terms: D000362:Agar; D001419:Bacteria / Q000254:growth & development; D003470:Culture Media; D005827:Genetics, Microbial; D008660:Metabolism; D009154:Mutation; D010400:Penicillin G / Q000096:biosynthesis; D010403:Penicillin Resistance; D014118:Toxins, Biological / Q000494:pharmacology
chemical_list: D003470:Culture Media; D014118:Toxins, Biological; D000362:Agar; D010400:Penicillin G