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中文摘要：
通过N^＋注入解脂耶罗威亚酵母（Yarrowia lipolytica）DC-3-2，筛选出一株油脂降解率提高了11．09％的高效菌株DC．3．2．50，经10次传代实验表明该菌株遗传稳定向良好。对DC-3-2-50的降解条件进行了初步研究，结果表明，在最佳条件：初始pH9．0、接种量3．0％、温度为25--28℃、摇床转速为180-200rpm、碳源为大豆油时，其降解率最高，可达87．7％。
英文摘要：
A strain DC-3-2-50 was obtained through N^＋ implanting into Yarrowia lipolytica DC-3-2. An increase of 11.09% in the oil-degradation rate was obtained. The stain has good genetic stability after 10 times of subculture. The culturing condition of DC-3-2-50 was studied. The optimal culture conditions were as follow： initial pH value, 9.0; inoculum size, 3%; temperature, 25--28℃; dissolved oxygen, 180-200 rpm; and carbon nutriments soybean salad oil. The oH-degradation rate can be up to 87.7%.
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