The extracellular metabolites of the WT, ET0 and ET3 cultivations of C. thermocellum.

aMetabolites that were not detected among all three cultivations and control medium are not listed in the table. These metabolites included tryptophan, arabinose, galactose, lactose, malonic acid, isocitric acid, and α-ketoglutarate.bPositive and negative values indicate amount of the released and absorbed metabolites, respectively.cThe significant differences were derived from a one-way ANOVA analysis (pdNo significant difference was derived from a one-way ANOVA analysis (p