Fig. 3From: Effect of Tween 40 and DtsR1 on l-arginine overproduction in Corynebacterium crenatum Concentrations of various amino acids of different C. crenatum strains cultured at 30 °C with Tween 40 addition in shake flask cultivation. Results are the means standard deviations from at least three independent experiments. *P < 0.05; ***P < 0.001.Back to article page