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Table 1 Ethanol production performance of the recombinant yeast strains under various conditions

From: Enhanced acetic acid stress tolerance and ethanol production in Saccharomyces cerevisiae by modulating expression of the de novo purine biosynthesis genes

Parameter 5 g/L acetic acid Mixed inhibitors
BHO BADE1 BADE13 BADE17 BHO BADE1 BADE13 BADE17
t (h) 35 35 35 27 84 72 84 36
SR (g/L) 3.95 0.73 0.42 0.53 5.85 0.92 0.80 0.84
Ep (g/L) 38.90 42.50 42.10 41.86 37.69 40.63 41.28 41.74
q (g/L/h) 1.111 1.214 1.203 1.550 0.449 0.564 0.491 1.159
YE/S (g/g) 0.422 0.432 0.436 0.440 0.398 0.407 0.408 0.412
  1. t: fermentation time; SR: residual glucose; EP: ethanol produced; q: ethanol productivity; YE/S: ethanol yield, g(ethanol)/g(glucose/sugars)