首页 | 本学科首页   官方微博 | 高级检索  
     检索      

植物乳杆菌产乳酸脱氢酶的发酵条件优化及酶的纯化
引用本文:苏虹,汪建军,杨海麟,王武.植物乳杆菌产乳酸脱氢酶的发酵条件优化及酶的纯化[J].吉林大学学报(理学版),2006,44(6):1015-1018.
作者姓名:苏虹  汪建军  杨海麟  王武
作者单位:1.吉林大学 药学院, 长春 130021; 2.江南大学 工业生物技术教育部重点实验室, 江苏省 无锡 214036
摘    要:对植物乳杆菌突变株RS2 2的发酵条件做了优化, 在25 L发酵罐上进行放大实验, 使菌株RS2 2的乳酸脱氢酶(Lactate Dehydrogenase)产酶水平有了较大提高, 细胞抽提液比酶活达到24.6U/mg.利用DEAE离子交换、 疏水层析对酶的纯化进行 了研究, 最终酶的纯化倍数为49.1, 比活力达1 208.6 U/mg,初步确定了LDH的纯化路线.

关 键 词:乳酸脱氢酶  植物乳杆菌  发酵  纯化  
文章编号:1671-5489(2006)06-1015-04
收稿时间:2006-01-23
修稿时间:2006年1月23日

Fermentation Optimization and Purification of Lactate Dehydrogenase from Lactobacillus Plantarum
SU Hong,WANG Jian-jun,YANG Hai-lin,WANG Wu.Fermentation Optimization and Purification of Lactate Dehydrogenase from Lactobacillus Plantarum[J].Journal of Jilin University: Sci Ed,2006,44(6):1015-1018.
Authors:SU Hong  WANG Jian-jun  YANG Hai-lin  WANG Wu
Institution:1.School of Pharmaceutical Science, Jilin University, Changchun 130021, China; 2.Key Laboratory of Industry Biotechnology of Ministry of Education, Southern Yangtze University, Wuxi 214036, Jiangsu Province, China
Abstract:High output of the lactate dehydrogenase(LDH) from lactobacillus plantarum RS2-2 was achieved after optimization of the fermentation conditions and magnified experiment was carried out on 25 L fermentor.The LDH activity of cell extraction reached to (24.6 U/mg.) Purification of the LDH was also studied by means of DEAE ion-exchange and hydrophobic chromatography,which resulted in(49.1)-fold purification and(1 208.6 U/mg) specific activity.The routine of LDH separation was primarily determined.
Keywords:lactate dehydrogenase  lactobacillus plantarum  fermentation  purification
本文献已被 CNKI 维普 万方数据 等数据库收录!
点击此处可从《吉林大学学报(理学版)》浏览原始摘要信息
点击此处可从《吉林大学学报(理学版)》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号