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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.