Fig. 2From: Metabolic engineering of Escherichia coli for the utilization of ethanolGrowth curves and ethanol utilization of commonly used E. coli strains. a Growth curves of strains BL21(DE3), DH5α, Top10 and JM109; b residual ethanol concentrations in the fermentation broth of strains BL21(DE3), DH5α, Top10 and JM109Back to article page