Figure 7
From: Engineering E. colistrain for conversion of short chain fatty acids to bioalcohols
Production of butanol in the bioreactor in batch and continuous mode. (A) Fermentation profile and (B) enzyme kinetics of the E. coli MG1655 (pQE-adhE2/ptb/buk) strain in a bioreactor cultivated in the batch mode with an initial OD600 of 1.0. (C) Fermentation profile of the engineered strain with an initial OD600 of 10. (D) Butyric acid consumption and butanol production kinetics in the bioreactor operated under continuous mode with cell recycling using hollow fiber module. Vertical bar at 24 hr indicates the position where fermentation was shifted from batch mode to continuous mode at the dilution rate of 0.2 h-1.