Fig. 1From: Enhancing poly-γ-glutamic acid production in Bacillus amyloliquefaciens by introducing the glutamate synthesis features from Corynebacterium glutamicum Comparison of the two glutamate biosynthetic pathways existing in nature. a GS–GOGAT pathway; b NADPH-dependent glutamate dehydrogenase (GDH) pathwayBack to article page