Fig. 4From: Metabolic characterization of the chitinolytic bacterium Serratia marcescens using a genome-scale metabolic modela Mapping of TCA cycle metabolism pathway genes mRNA level under N-acetylglucosamine, glucose or glycerol condition. b Intracellular citric acid concentration of S. marcescens Db11 when growing on N-acetylglucosamine, glucose or glycerol. c Intracellular isocitric acid concentration of S. marcescens Db11 when growing on N-acetylglucosamine, glucose or glycerolBack to article page