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A new transformation system for the filamentous fungus Penicillium chrysogenum is described, based on the use of the homologous acetyl-coenzyme A synthetase (facA) gene as a selection marker.(More)
The gene coding for benzoate-para-hydroxylase (bphA) of Aspergillus niger was cloned using differential hybridisation techniques and complementation of mutants deficient in this enzyme activity. The(More)