Table 2.

Acidification of the incubation medium after addition of substrates (nmol H⁺/min)

Conditions	Strains
	BEP cat8Δ	BEP cat8Δ/Hxt1_N358A_K	BEP cat8Δ/Gal2_ N376S	BEP cat8Δ/Hxt7_N370F
Cells grown with glucose and xylose mixture + glucose	0.92 ± 0.06	1.0 ± 0.13	1.10 ± 0.14	0.82 ± 0.09
Cells grown with glucose and xylose mixture + xylose	0.60 ± 0.13	0.75 ± 0.09	0.63 ± 0.09	0.64 ± 0.06
Cells grown with xylose + xylose	0.50 ± 0.07	0.66 ± 0.03	0.48 ± 0.09	0.54 ± 0.12