WO2008093847-A1  'Introduction to GenomeNet Databases', 1998, KYORITSU SHUPPAN CO.;  AMOER, R.; WILHELM, M.; HOLLENBERG, C.P.: 'The fermentation of xylose - an analysis of the expression of Bacillus and Actinoplanes xylose isomerase genes in yeast' APPL. MICROBIOL. BIOTECHNOL. vol. 30, 1989, pages 351 - 357;  AUSUBEL ET AL.: 'Current Protocols in Molecular Biology', 1998, JOHN WILEY & SONS;  BARNETT, J.A.: 'The utilization of sugars by yeasts. In: Advances in carbohydrate chemistry and biochemistry', 1976, ACADEMIC PRESS pages 125 - 235;  CHAN, E.-C.; UENG, P.P.; CHEN, L.F.: 'D-xylose fermentation to ethanol by Schizosaccharomyces pombe cloned with xylose isomerase gene' BIOTECH. LETT. vol. 8, 1986, pages 231 - 234;  CHAN, E.-C.; UENG, P.P.; CHEN, L.F.: 'Environmental effects on D-xylose fermentation by Schizosaccharomyces cerevisiae' APPL. BIOTECHNOL. vol. 20, 1989, pages 221 - 232;  EFFRIES, T.W. EMERGING TECHNOLOGY FOR FERMENTING D-XYLOSE. TRENDS IN BIOTECHNOLOGY vol. 3, 1985, pages 208 - 212;  GONG, C.S. ET AL.: 'Conversion of hemicellulose carbohydrate' ADV. BIOCHEM. ENG. vol. 20, 1981, pages 93 - 118;  GOVINDEN, R. ET AL.: 'GenBank Direct Submission', 2000 article 'Candida shehatae xylose reductase gene';  JEFFRIES, T.W.: 'Utilization of xylose by bacteria, yeast and fungi' ADV. BIOCHEM. BIOTECH. vol. 27, 1983, pages 1 - 32;  MALESZKA, R.; SCHNEIDER, H.: 'Fermentation of D-xylose, xylitol and D-xylulose by yeasts' CAN. J. MICROBIOL. vol. 28, 1982, pages 360 - 363;  RIZZI, M. ET AL. J. FERMENT. BIOENG vol. 67, 1989, pages 20 - 24;  SAMBROOK ET AL.: 'Molecular Cloning: A Laboratory Manual', 1989, COLD SPRING HARBOR LABORATORY PRESS;  SARTNY, A.V. ET AL.: 'Expression of the Escherichia coli xylose isomerase gene in Saccharomyces cerevisiae' APPI. EUR. MICROBIOL. vol. 53, 1987, pages 1996 - 2000;  WATANABE, S. ET AL. J. BIOL. CHEM. vol. 280, no. 11, 2005, pages 10340 - 10349;  WU, J.F.; LASTICK, S.M.; UPDEGRAFF, D.M.: 'Ethanol production from sugars derived from plant biomass by a novel fungus' NATURE vol. 321, 1986, pages 887 - 888;  YANG, V.W.; JEFFRIES, T.W.: 'Purification and properties of xylitol dehydrogenase from the xylose-fermenting yeast Candida shehatae' APPL. BIOCHEM. BIOTECHNOL. vol. 26, 1990, pages 197 - 206;  JIN Y.-S. ET AL.: 'Molecular cloning of XYL3 (D-Xylulokinase) from Pichia Stipitis and characterization of its physiological function' APPL. ENVIRON. MICROBIOL. vol. 68, no. 3, March 2002, pages 1232 - 1239;  JIN Y.-S. ET AL.: 'Molecular cloning of XYL3 (D-Xylulokinase) from Pichia Stipitis and characterization of its physiological function' APPL. ENVIRON. MICROBIOL. vol. 68, no. 3, March 2002, pages 1232 - 1239, XP002904289;  YANG V.W. AND JEFFRIES T.W.: 'Purification and properties of xylitol dehydrogenase from the xylose-fermenting yeast Candida shehatae' APPL. BIOCHEM. BIOTECH. vol. 26, no. 2, November 1990, pages 197 - 206;  YANG V.W. AND JEFFRIES T.W.: 'Purification and properties of xylitol dehydrogenase from the xylose-fermenting yeast Candida shehatae' APPL. BIOCHEM. BIOTECH. vol. 26, no. 2, November 1990, pages 197 - 206, XP008115001;  AUSUBEL ET AL.: 'Current Protocols in Molecular Biology', 1998, JOHN WILEY&SONSEP2116597-A1  LUANNE HELENA AUGUSTO LIMA ET AL: "Xylitol dehydrogenase from Candida tropicalis: molecular cloning of the gene and structural analysis of the protein", APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, SPRINGER, BERLIN, DE, vol. 73, no. 3, 2 August 2006 (2006-08-02) , pages 631-639, XP019458749, ISSN: 1432-0614, DOI: DOI:10.1007/S00253-006-0525-0;  YANG V W AND JEFFRIES T W: "Purification and properties of xylitol dehydrogenase from the xylose-fermenting yeast Candida shehatae", APPL. BIOCHEM. BIOTECH,, vol. 26, no. 2, 1 November 1990 (1990-11-01), pages 197-206, XP008115001, DOI: DOI:10.1007/BF02921534;  See also references of WO 2008093847A1US7833764-B2  International Search Report PCT/JP2008/051676 dated Feb. 21, 2008.;  Yong-su Jin et al., "Molecular Cloning of XYL3 (D-Xylulokinase) from Pichia stipitis and Characterization of Its Physiological Function", Applied and Environmental Microbiology, vol. 68, No. 3, Mar. 2002, pp. 1232-1239.;  Vina W. Wang et al., "Purification and Properties of Xylitol Dehydrogenase from the Xylose _Fermenting Yeast Candida shehatae", Applied Biochemistry and Biotechnology Nov. 1990, vol. 26, No. 2, pp. 197-206.