Fig. 6From: Production of (2R, 3R)-2,3-butanediol using engineered Pichia pastoris: strain construction, characterization and fermentationEffect of cultivation conditions on 2,3-BD titer. Strain X33-SD was cultivated in 3 L YPD media in 5-L Bioflo320 reactors. Glucose concentration was 40 g/L. Error bars indicate standard deviation of duplicate experiments. a Effect of agitation. b Effect of aeration. c Effect of pHBack to article page