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  • Title: Effects of metal ions on simultaneous production of glucose oxidase and catalase by Aspergillus niger.
    Author: Liu JZ, Huang YY, Liu J, Weng LP, Ji LN.
    Journal: Lett Appl Microbiol; 2001 Jan; 32(1):16-9. PubMed ID: 11169035.
    Abstract:
    The effects of various metal ions on the simultaneous production of glucose oxidase and catalase by Aspergillus niger were investigated. Calcium carbonate induced synthesis of both enzymes. The induction of calcium carbonate was accompanied by a metabolic shift from the glycolytic pathway (EMP, Embden-Meyerhof-Parnas) to direct oxidation of glucose by glucose oxidase. The time course of the biosynthesis of both enzymes is reported. The logistic model was in good agreement with the experimental growth results. The production of both enzymes was growth-associated. Finally, a model of growth and product formation was also proposed.
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