Development of the compositive improvement technology of metabolic and sugar transport abilities for efficient bioethanol production

构建了木糖异构酶途径的基因组整合导入酵母的方法。对仅引入木糖异构酶途径的酵母菌和木糖发酵副产物木糖醇发酵葡萄糖和木糖的乙醇发酵能力进行了评价。而葡萄糖和木糖的消耗率通过过度表达转运蛋白而得到提高，转运蛋白是酵母对糖的中间摄取。

An introduction method of the xylose isomerase pathway into the yeast by the genome integration of xylose isomerase encoding gene was constructed. Ethanol fermentation abilities from glucose and xylose of both only xylose isomerase pathway introduced yeast and xylitol, by-product of fermentation from xylose, pathway blocked that yeast were evaluated. And glucose and xylose consumption rates were improved by the overexpression of the transporter that intermediate uptake of the sugars into the yeast.