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  • Title: [Effect of carbon and nitrogen sources and complex B vitamins on the synthesis of alkaline protease by different strains of Bacillus mesentericus and Bacillus subtilis].
    Author: Emtseva TV.
    Journal: Prikl Biokhim Mikrobiol; 1975; 11(3):391-6. PubMed ID: 813199.
    Abstract:
    The effect of different sources of carbon, nitrogen, amino acids and vitamins on the synthesis of alkaline proteases by the stock and mutant strains of Bacillus mesentericus and by the natural strain of Bacillus subtilis-12 has been investigated. The maximum synthesis of alkaline protease has been obtained in the media containing starch or its hydrolysates--dextrine and maltose as the carbon source. Ammonium phosphate and casein as the nitrogen source prove to be optimal for Bac. mesentericus and Bac. subtilis, respectively. Complex B vitamins added to the nutrient medium accelerate the enzyme synthesis 2.5-4-fold.
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