4. Conclusion
A recombinant plasmid containing the xylitol dehydrogenase gene (XYL2) from C. shehatae was constructed. S. cerevisiae that harbours this plasmid showed higher growth rate than the untransformed strain in the media containing xylitol as a carbon source. The specific activity of the xylitol dehydrogenase enzyme in the recombinant S. cerevisiae was 0.805 mU mg-1 protein or 0.013 nkat mg-1. It will need further investigations to optimize and increase the activity of this enzyme.
However, the functionality of the gene xylitol dehydrogenase from C. shehatae in S. cerevisiae had been demonstrated in this work