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Table 3 Yields and kinetic parameters obtained from batch cultivations

From: Engineering of acetyl-CoA metabolism for the improved production of polyhydroxybutyrate in Saccharomyces cerevisiae

  Unit SCKK005 SCKK006
Maximum specific growth rate h-1 0.27 ± 0.02 0.28 ± 0.00
Glucose consumption rate g (g DW h)-1 1.80 ± 0.09 2.24 ± 0.33
Biomass yield on glucose g (g glc)-1 0.15 ± 0.01 0.13 ± 0.02
Ethanol yield on glucose g (g glc)-1 0.35 ± 0.05 0.35 ± 0.07
Glycerol yield on glucose* g (g glc)-1 0.05 ± 0.00 0.07 ± 0.00
Acetate yield on glucose* g (g glc)-1 0.02 ± 0.00 0
PHB yield on glucose* mg (g glc)-1 0.02 ± 0.01 0.13 ± 0.02
Biomass yield on ethanol g (g EtOH)-1 0.46 ± 0.27 0.45 ± 0.08
PHB yield on ethanol* mg (g EtOH)-1 0.22 ± 0.04 6.09 ± 1.44
  1. The values were calculated from at least triplicate fermentations (n ≥ 3) and represent as mean ± SD.
  2. * The values are significantly difference at p-value ≤ 0.05.