抗高浓度葡萄糖阻遏的纤维素酶高产菌的选育

被引：15

作者：

宋小炎

宋桂经

孙彩云

刘陶陶

韩峰

机构：

[1] 山东大学微生物技术国家重点实验室!济南

来源：

山东大学学报(自然科学版) | 1999年 / 04期

关键词：

纤维素酶; 抗阻遏; 葡萄糖;

D O I：

暂无

中图分类号：

Q933 [微生物遗传学];

学科分类号：

071007 ;

摘要：

以本室保存的一株纤维素酶产量较高的拟康氏木霉为出发菌株,经紫外诱变处理,用葡萄糖( 梯度浓度) 纤维素双层平板选育,在含葡萄糖(4% ) 纤维素双层平板上获得一株葡萄糖浓度高达10% 仍能产生纤维素水解透明圈的突变株UVⅢ.培养6 d ,干曲的CMC 酶活、FP 酶活和βG 酶活分别可达1145 .7 u/g 、55 .6 u/g 和24 u/g .分别是出发株的2 .4 倍、3.4 倍和12 .6 倍.

引用

页码：488 / 492

页数：5

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