. 2016 Aug 5;9:167. doi: 10.1186/s13068-016-0570-6

Table 4.

D-xylose consumption, product formation (biomass, ethanol, and xylitol) and xylose reductase (XR) activity in anaerobic xylose fermentation (50 g L⁻¹) with recombinant S. cerevisiae strains TMB 3422 and TMB 3504

Strains	µ _max (h⁻¹)	r _s (g g⁻¹_CDW h⁻¹)	Y _x/s (g g⁻¹)	$Y_{p/s}^{et}$ (g g⁻¹)	r _et (g g_CDW ⁻¹ h⁻¹)	$Y_{p/s}^{xy}$ (g g⁻¹)	XR
Strains	µ _max (h⁻¹)	r _s (g g⁻¹_CDW h⁻¹)	Y _x/s (g g⁻¹)	$Y_{p/s}^{et}$ (g g⁻¹)	r _et (g g_CDW ⁻¹ h⁻¹)	$Y_{p/s}^{xy}$ (g g⁻¹)	NADH	NADPH	Ratio NADH/NADPH
TMB 3422	0.07 ± 0.00	0.58 ± 0.10	0.04 ± 0.01	0.34 ± 0.01	0.18 ± 0.01	0.21 ± 0.01	0.67 ± 0.03	0.94 ± 0.02	0.71 ± 0.04
TMB 3504	0.11 ± 0.00	0.76 ± 0.06	0.06 ± 0.00	0.40 ± 0.00	0.33 ± 0.02	0.10 ± 0.02	1.13 ± 0.08	0.96 ± 0.01	1.18 ± 0.08

µ _max specific growth rate, r _s specific xylose consumption rate, r _et specific ethanol production rate, Y _x/s biomass yield; $Y_{p / s}^{e t}$ ethanol yield; $Y_{p / s}^{x y}$ xylitol yield