A series of lipid-accumulating yeasts was examined for their potential to saccharify xylan and accumulate triglyceride. Of the genera tested, including Candida, Cryptococcus, Lipomyces, Rhodosporidium, Rhodotorula, and Trichosporon, only Cryptococcus and Trichosporon isolates saccharified xylan. All of the strains could assimilate xylose and accumuate triglyceride under nitrogen-limiting conditions. Strains of Cryptococcus albidus were found to be especially useful for a one-step saccharification of xylan coupled to triglyceride synthesis. Cryptococcus terricolus, a strain constitutive for lipid accumulation, lacked extracellular xylanase, but did assimilate xylose and xylobiose and was able to continuously convert xylan to triglyceride if the culture medium was supplemented with xylanase.

译文

检查了一系列积累脂质的酵母糖化木聚糖和积累甘油三酸酯的潜力。在测试的属中,包括念珠菌,隐球菌,脂菌,红孢子虫,红孢子虫和毛孢菌素,只有隐球菌和毛孢菌素分离出糖化木聚糖。在氮限制条件下,所有菌株都可以吸收木糖并积累甘油三酸酯。发现白隐球菌菌株对木聚糖的一步糖化与甘油三酸酯合成特别有用。Terricoccus terricolus是一种脂质积累的菌株,缺乏细胞外木聚糖酶,但确实吸收了木糖和木糖,并且如果培养基中补充了木聚糖酶,则能够连续将木聚糖转化为甘油三酸酯。

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