title: Genetics of biosynthesis and overproduction of penicillin.
mesh_terms: D001233:Aspergillus nidulans / Q000378:metabolism*; D002874:Chromosome Mapping; D005796:Genes; D005838:Genotype; D009154:Mutation; D010406:Penicillins / Q000096:biosynthesis*; D010407:Penicillium / Q000378:metabolism*; D010408:Penicillium chrysogenum / Q000378:metabolism*
chemical_list: D010406:Penicillins