Selection and characterization of pyrG mutants of Penicillium chrysogenum lacking orotidine-5′-phosphate decarboxylase and complementation by the pyr4 gene of Neurospora crassaa

1. Díez, B.
2. Alvarez, E.
3. Cantoral, J.M.
4. Barredo, J.L.
5. Martín, J.F.