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木聚糖酶合成菌株的诱变选育 被引量：2

Selection of Stains for Xylanase Synthesis
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摘要 以黑曲霉、蜡状芽孢杆菌和枯草芽孢杆菌为出发菌株,采用紫外物理诱变及紫外物理诱变和紫外亚硝酸复合诱变的方法,选育培养出产木聚糖酶酶活较高的菌株。经过紫外诱变后黑曲霉菌株所产酶酶活为17.3716U/ml;经过复合诱变后黑曲霉菌株所产酶酶活为15.2144U/ml。经过紫外诱变后枯草芽孢杆菌和蜡状芽孢杆菌菌株所产木聚糖酶酶活分别为16.1328U/ml和13.7200U/ml。 Taking Aspergillus niger and Bacillus cereus and Bacillus subtilis as original stains for xylanase synthesis by treating of only ultraviolet and nitrous acid and UV-ray , we wanted to gain a stain that could product xylanase whose activity is highest. Xylanase activity produced by Aspergillus niger after ultraviolet mutagenesis is 17.3716 U/ml; Xylanase activity produced by Aspergillus niger after compound mutagenesis is 15.2144 U/ml; Xylanase activity produced by Bacillus cereus and Bacillus subtilis after ultraviolet treatment is 16.1328 U/ml和13.7200U/ml perspectively.
作者 陈凤莲
机构地区 哈尔滨商业大学食品工程学院 黑龙江省普通高等学校食品科学与工程重点实验室
出处 《发酵科技通讯》 CAS 2012年第2期21-24,共4页 Bulletin of Fermentation Science and Technology
关键词 黑曲霉蜡状芽孢杆菌 枯草芽孢杆菌 选育 Aspergillus niger Bacillus cereus Bacillus subtilis selection
分类号 TS210.1 [轻工技术与工程—粮食、油脂及植物蛋白工程]
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参考文献13

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二级参考文献39

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发酵科技通讯
2012年 第2期

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