Fig. 4From: Highly efficient production of Clostridium cellulolyticum H10 d-psicose 3-epimerase in Bacillus subtilis and use of these cells to produce d-psicoseEffects of different carbon sources and carbon source concentrations on cell growth and DPEase activity. a The effects of 0.5% concentrations of different carbons sources; b the effects of different concentrations of glycerol on cell growth, DPEase production, and pH. DCW (black), DPEase activity (gray), pH (red). Error bars represent the standard deviation of measurements performed in triplicateBack to article page