van Hartingsveldt, W Development of a homologous transformation system for Aspergillus niger based on the pyrG gene. [electronic resource] - Molecular & general genetics : MGG Jan 1987 - 71-5 p. digital Publication Type: Journal Article ISSN: 0026-8925 Standard No.: 10.1007/BF00326538 doi Subjects--Topical Terms: Aspergillus niger--enzymologyCarboxy-Lyases--geneticsGenesGenes, FungalMutationOrotidine-5'-Phosphate Decarboxylase--geneticsPlasmidsTransformation, Genetic