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  • Title: Glycerol catabolism in Aspergillus nidulans.
    Author: Hondmann DH, Busink R, Witteveen CF, Visser J.
    Journal: J Gen Microbiol; 1991 Mar; 137(3):629-36. PubMed ID: 2033381.
    Abstract:
    Glycerol is catabolized in Aspergillus nidulans by glycerol kinase and a mitochondrial FAD-dependent sn-glycerol 3-phosphate dehydrogenase. The levels of both enzymes are controlled by carbon catabolite repression and by specific induction. Biochemical and genetical analyses show that dihydroxyacetone and D-glyceraldehyde are converted into glycerol and then catabolized by the same pathway. D-Glyceraldehyde can be reduced by NADP(+)-dependent glycerol dehydrogenase or by alcohol dehydrogenase I, while dihydroxyacetone is only reduced by the first enzyme. Three new glycerol non-utilizing mutants have been found. These three mutations define three hitherto unknown loci, glcE, glcF and glcG. The mutation in glcG leads to a greatly decreased sn-glycerol-3-phosphate dehydrogenase activity.
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