Growth and fermentation of D-xylose by Saccharomyces cerevisiae expressing a novel D-xylose isomerase originating from the bacterium Prevotella ruminicola TC2-24

Table 1 Specific growth rates for aerobic growth in D-xylose medium

Strain	D-xylose isomerase	D-xylulokinase	Specific growth rate, μ(h^-1 ± SD)
YRH561	none	none	n.d.^a
YRH562	Piromyces sp. E2	S. cerevisiae	0.07 ± 0.002
YRH563	B. uniformis	S. cerevisiae	0.07 ± 0.007
YRH564	B. distasonis	S. cerevisiae	0.06 ± 0.004
YRH565	B. ovatus	S. cerevisiae	n.d.
YRH587	P. ruminicola	S. cerevisiae	0.08 ± 0.005
YRH592	B. uniformis	B. uniformis	0.07 ± 0.012
YRH628	P. ruminicola^opt	none	0.06 ± 0.004
YRH629	P. ruminicola^opt	S. cerevisiae	0.07 ± 0.005
YRH630	Piromyces sp. E2	P. ruminicola^opt	0.07 ± 0.006
YRH631	P. ruminicola^opt	P. ruminicola^opt	0.06 ± 0.005
YRH1114	P. ruminicola^opt	P. ruminicola^opt	0.23 ± 0.024

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