Skip to main content
Fig. 3 | Microbial Cell Factories

Fig. 3

From: Metabolic engineering of carbohydrate metabolism systems in Corynebacterium glutamicum for improving the efficiency of l-lysine production from mixed sugar

Fig. 3

Schematic representation of l-lysine biosynthesis pathway and variant pathways for uptake of glucose, fructose and sucrose in C. glutamicum. Red lines indicate the introduced exogenous pathway. Pink lines indicate the strengthened endogenous pathway. “×” indicates gene deletion. ScrB: Sucrose-6-phosphate hydrolase, ScrK: Fructokinase, GlK: Glucokinase, PFK: Phosphofructokinase, GAPDH: Glyceraldehyde-3-phosphate dehydrogenase, PGK: Phosphoglycerate kinase, PYK: Pyruvate kinase, PYC: Pyruvate carboxylase, PPC: Phosphoenolpyruvate carboxylase, NDH-2: NADH dehydrogenase, Op. Optimized

Back to article page