Table 1.

Growth rates and yield coefficients of xylose-, glucose-, and glycerol-fermenting deep-mine isolates.

Isolate	DUSELXyl3	DUSELGlu1	DUSELGlu2	DUSELGlu4	DUSELGly1	DUSELGly3	DUSELGly4
Substrate used in fermentation	Xylose	Glucose	Glucose	Glucose	Glycerol	Glycerol	Glycerol
Specific growth rate μ(h−1)	0.025	0.030	0.032	0.038	0.031	0.037	0.048
Growth yielda (YX/S)	0.006	0.006	0.007	0.008	0.007	0.007	0.007
pH (initial − final)	10.0 − 4.50	10.0 − 4.76	10.0 − 3.7	10.0 − 4.65	7.0 − 5.22	7.0 − 5.32	7.0 − 5.22

Calculations were done as described in “Materials and Methods” under “Determination of Specific Growth Rates and Yield Coefficients” section.

^aGrowth yield (Y_X/S)—g of biomass produced per g of substrate (xylose, glucose, or glycerol) consumed.