Enhanced fermentative performance under stresses of multiple lignocellulose-derived inhibitors by overexpression of a typical 2-Cys peroxiredoxin from Kluyveromyces marxianus

Table 1 Fermentative performance under FAF inhibitors in 3-L bioreactors

	TPX1	423	TPX1-pH^a	423-pH^a
Lag phase, h	0	24	0	36
Biomass, g/L	1.30 ± 0.06	0.80 ± 0.05	1.49 ± 0.12	0.61 ± 0.01
Initial glucose, g/L	51.84 ± 2.60	51.45 ± 1.89	50.86 ± 1.01	50.56 ± 2.27
Residual glucose, g/L	0	23.22 ± 1.24	0	34.78 ± 1.91
Ethanol, g/L	21.41 ± 0.83	11.03 ± 0.51	20.38 ± 1.02	8.50 ± 1.33
Glucose consumption rate, g/L/h	0.86 ± 0.04	0.47 ± 0.08	1.06 ± 0.02	0.33 ± 0.02
Productivity, g/L	0.36 ± 0.01	0.18 ± 0.01	0.42 ± 0.02	0.18 ± 0.03

^apH in the media with an elevated concentration of acetic acid was controlled at 4.5

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