title: The genetic location of three mutations impairing penicillin production in Aspergillus nidulans.
abstract: Three mutations impairing penicillin production in Aspergillus nidulans, npeB, npeC and npeD, have been located on linkage groups III, IV and II, respectively, and positioned relative to other loci on these chromosomes.
mesh_terms: D001233:Aspergillus nidulans / Q000235:genetics* / Q000378:metabolism; D002874:Chromosome Mapping; D008040:Genetic Linkage; D005819:Genetic Markers; D005838:Genotype; D009154:Mutation; D010406:Penicillins / Q000032:analysis / Q000096:biosynthesis*; D011995:Recombination, Genetic; D013489:Suppression, Genetic
chemical_list: D005819:Genetic Markers; D010406:Penicillins