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Table 3 Fermentation kinetic parameters of recombinant S. cerevisiae strains and control strains

From: Rational engineering of Saccharomyces cerevisiae towards improved tolerance to multiple inhibitors in lignocellulose fermentations

Strain Glucose cons. % Xylose cons. % Ethanol Metabolic yield % Media pH µMax (h−1)
   g L−1 Y P/S g g−1 g L−1 h−1    
YPDX t=24 h        
 CelluXTM1 100 100 17.0 ± 0.13 0.424 ± 0.00 0.707 ± 0.01 82.8 5 0.572
 TFA7 100 100 17.1 ± 0.13 0.428 ± 0.00 0.713 ± 0.01 83.5 5 0.557
 AP1 100 45.7 12.2 ± 0.09 0.305 ± 0.00 0.508 ± 0.00 82.1 5 0.513
 TP1 100 100 17.3 ± 0.08 0.432 ± 0.00 0.720 ± 0.00 84.4 5 0.545
YPX t=24 h        
 CelluXTM1 100 8.18 ± 0.05 0.396 ± 0.02 0.341 ± 0.00 77.7 5 0.412
 TFA7 90.1 7.52 ± 0.25 0.364 ± 0.01 0.313 ± 0.01 78.3 5 0.364
 AP1 42.3 3.81 ± 0.02 0.184 ± 0.00 0.159 ± 0.00 73.7 5 0.442
 TP1 88.5 7.47 ± 0.35 0.362 ± 0.02 0.311 ± 0.01 78.9 5 0.372
40% v/v SSL t=72 h        
 CelluXTM1 100 5.8 11.6 ± 0.93 0.228 ± 0.00 0.161 ± 0.01 5
 TFA7 100 3.0 11.7 ± 0.71 0.225 ± 0.01 0.162 ± 0.01 5
 AP1 100 0 11.8 ± 1.06 0.239 ± 0.00 0.160 ± 0.02 5
 TP1 100 1.28 12.2 ± 1.17 0.255 ± 0.03 0.169 ± 0.02 5
80% v/v SSL t=241 h        
 CelluXTM1 15.1 1.74 0.51 ± 0.03 n.d.a 4.5
 TFA7 15.8 1.88 0.66 ± 0.03 n.d.a 4.5
 AP1 10.6 0.76 n.d.a 4.5
 TP1 16.3 1.55 0.48 ± 0.05 n.d.a 4.5
  1. aNot detected/determined