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Fig. 5 | Journal of Biological Engineering

Fig. 5

From: Significantly enhancing recombinant alkaline amylase production in Bacillus subtilis by integration of a novel mutagenesis-screening strategy with systems-level fermentation optimization

Fig. 5

Effect of different feeding compositions on alkaline amylase production and growth of B. subtilis. a Effect of feeding hydrolyzed starch on alkaline amylase production and growth of B. subtilis. The inner: pH change curve during fermentation. b Effect of feeding a combination of hydrolyzed starch and soy peptone on alkaline amylase production and growth of B. subtilis

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