Fig. 3From: Combinatorial metabolic engineering of industrial Gluconobacter oxydans DSM2343 for boosting 5-keto-D-gluconic acid accumulationTime-course of the oxidative fermentation in a 15-L fermentation tank and coenzyme PQQ complement study. a, c G. oxydans ZJU2, b, d G. oxydans ZJU3 strains. ■Glucose, GA, 5-KGA, ○ DCW, □ pH value, control, 100 μg/L, 200 μg/L, 500 μg/LBack to article page