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Metabolic inhibitors, riboflavin, and end products of glucose oxidation were shown to hold much promise for the selection of Penicillium funiculosum mutant strains with a high glucose oxidase activity. The incidence of positive mutations was highest in clones resistant to sodium azide, riboflavin, and beta-D-glucono-delta-lactone. Enzyme activity in Penicillium funiculosum mutants was studied under conditions of submerged cultivation. The intensity of glucose oxidase synthesis in seven cultures was 24-56% higher than that in the parent strain of Penicillium funiculosum NMM95.132. |
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