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Table 3 Ethanol concentration, ethanol yield, xylitol yield, and glycerol yield after 48 h of fermentation of 40 g/L xylose with different concentrations of acetic acid by recombinant S. cerevisiae strains. a

From: Metabolic pathway engineering based on metabolomics confers acetic and formic acid tolerance to a recombinant xylose-fermenting strain of Saccharomyces cerevisiae

Strain Acetic acid Ethanol (g/L) Y(Ethanol/Xylose)(g/g) Y(Xylitol/Xylose)(g/g) Y(Glycerol/Xylose)(g/g)
MT8-1X/TAL 0 mM 11.50 ± 0.41 0.324 ± 0.013 0.203 ± 0.011 0.032 ± 0.002
  30 mM 15.55 ± 0.01 0.425 ± 0.018 0.105 ± 0.005 0.027 ± 0.002
  60 mM 8.33 ± 0.27 0.328 ± 0.025 0.021 ± 0.024 0.003 ± 0.004
MT8-1X/pGK404 0 mM 11.13 ± 0.40 0.304 ± 0.011 0.200 ± 0.011 0.031 ± 0.001
  30 mM 9.05 ± 0.11 0.301 ± 0.010 0.090 ± 0.004 0.015 ± 0.001
  60 mM 0.88 ± 0.31 0.053 ± 0.022 0 ± 0 0 ± 0
  1. a The values are the averages of four independent experiments, ±SEM.