Fig. 3
From: Improving l-threonine production in Escherichia coli by elimination of transporters ProP and ProVWX
Fermentation of E. coli TWF001, TSW001, TSW002, TSW003, and TSW004 with 30 g/l or 40 g/l initial glucose. a Cell growth, 30 g/l glucose; b Cell growth, 40 g/l glucose; c Glucose consumption, 30 g/l glucose; d Glucose consumption, 40 g/l glucose; e l-threonine production, 30 g/l glucose; f l-threonine production, 40 g/l glucose. The error bars indicate the standard deviations from three independent experiments