1. Abbas C, Dmytruk K, Dmytruk O, Sibirny AA, Voronovsky AY (2016) Engineering of xylose reductase and overexpression of xylitol dehydrogenase and xylulokinase improves xylose alcoholic fermentation in thermotolerant yeast Hansenula polymorpha. US Patent No. 9,228,178
2. Abbas C, Dmytruk K, Dmytruk O, Sibirny AA, Voronovsky AY (2017) Engineering of xylose reductase and overexpression of xylitol dehydrogenase and xylulokinase improves xylose alcoholic fermentation in thermotolerant yeast Hansenula polymorpha. European Patent No. 2,279,242
3. Agrawal M, Chen RR (2011) Discovery and characterization of xylose reductase from Zymomonas mobilis ZM4. Biotechnol Lett 33(11):2127–2133
4. Aguiar C, Oetterer M, Menezes TJB (1999) Caracterizacao e aplicacoes do xylitol na industria alimenticia. Boletim SBCTA 33(2):184–193
5. Ahmed YM, Ibrahim IH, Khan JA, Kumosani TA (2011) Oxidation and reduction of D-xylose by cell-free extract of Hansenula polymorpha. Aust J Basic Appl Sci 5(12):95–100