Fig. 4From: Enhancement of doxorubicin production in Streptomyces peucetius by genetic engineering and process optimizationComparison of the fermentation process of △U1/drrC in shake flasks and 10-L fermenter. a Changes in pH, b changes in biomass, and c production of doxorubicin in the original formulation and in the optimized formulation in shake flasks, respectively. The fermentation process of △U1/drrC d in the original formulation and e in the optimized formulation in a 10-L fermenterBack to article page