Fig. 3From: Methanol fermentation increases the production of NAD(P)H-dependent chemicals in synthetic methylotrophic Escherichia coliThe optimization of methanol metabolism in the synthetic E. coli BL21/ΔfrmA-NudF-Mdh2-Hps-Phi. a The optimization of a nitrogen source. b The optimization of methanol concentration. Error bars indicate standard error of the mean (n = 3)Back to article page