Enhanced ethanol production and reduced glycerol formation in fps1∆ mutants of Saccharomyces cerevisiae engineered for improved redox balancing

AMB Express

Table 3 Compound yields, growth and specific ethanol productivity in engineered yeast strains

Strain	Ethanol yield (g/g)^*	Ethanol increase (%)	Glycerol yield (g/g)^*	Acetate yield (g/g)^*	μ (h⁻¹)	q_sp(g g⁻¹ h⁻¹)
CEN.PK 113-11C; p426; p423 (CN1)	0.449 ± 0.011	-	0.042 ± 0.018	0.0033 ± 0.00028	0.18 ± 0.048	26.55 ± 0.293
fps1∆; p426-GapN; p423-UTR1 (CN2)	0.466 ± 0.013	3.78	0.030 ± 0.012	0.0038 ± 0.00014	0.11 ± 0.059	51.71 ± 0.440
fps1∆; p426-GapN; p413-UTR1 (CN3)	0.470 ± 0.018	4.67	0.026 ± 0.010	0.0039 ± 0.00085	0.11 ± 0.052	52.02 ± 0.648
fps1∆; p416-GapN; p423-UTR1 (CN4)	0.457 ± 0.014	1.78	0.027 ± 0.012	0.0046 ± 0.00134	0.13 ± 0.046	40.47 ± 0.609
fps1∆; p416-GapN; p413-UTR1 (CN5)	0.458 ± 0.012	2	0.029 ± 0.013	0.0032 ± 0.00021	0.11 ± 0.038	52.37 ± 1.208
fps1∆; p426; p423 (CN6)	0.443 ± 0.0040	−1.33	0.023 ± 0.00049	0.0096 ± 0.00021	0.070 ± 0.0011	-