To improve the Ethanol Fermentation of Xylose of Pichia guillermondii and Candida shehatea,we uses the Protoplast Fusion and Mutagenisis to breed five better strains XX2, X1, X4, X12 and X13.

• 为提高季也蒙毕赤酵母和休哈塔假丝酵母代谢木糖生产乙醇能力,采用原生质体融合以及化学及物理诱变方法进行育种,得到五个乙醇产量较高的菌株XX2,X1,X4,X12和X13。