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降胆固醇植物乳杆菌的紫外诱变选育
引用本文:于长青,张丽娜,邓旭明.降胆固醇植物乳杆菌的紫外诱变选育[J].微生物学通报,2008,35(9):1461-1465.
作者姓名:于长青  张丽娜  邓旭明
作者单位:1. 黑龙江八一农垦大学食品学院,大庆,163319
2. 吉林大学畜牧兽医学院,长春,130062
基金项目:黑龙江省科技厅科技攻关项目,黑龙江省自然科学基金,江苏省农机局资助项目
摘    要:通过对植物乳杆菌进行紫外线诱变处理,采用胆固醇梯度平板的初筛方法和体外降胆固醇能力的测试,结果得到二株降胆固醇能力强且性能比较稳定的植物乳杆菌突变菌株Lp-UVs 29和Lp-UVs 44,胆固醇的降解率分别为48.7%和44.2%,分别比诱变前提高了97.97%和79.67%.

关 键 词:植物乳杆菌  紫外线诱变  降胆固醇

Ultraviolet Mutation Screening of Cholesteroldegrading Lactobacillus plantarum
YU Chang-Qing,ZHANG Li-Na and DENG Xu-Ming.Ultraviolet Mutation Screening of Cholesteroldegrading Lactobacillus plantarum[J].Microbiology,2008,35(9):1461-1465.
Authors:YU Chang-Qing  ZHANG Li-Na and DENG Xu-Ming
Institution:Foodstuff College, Heilongjiang August First Land Reclamation University, Daqing 163319;Foodstuff College, Heilongjiang August First Land Reclamation University, Daqing 163319;College of Animal Science and Veterinary Medicine, Jilin University, Changchun 130062
Abstract:Lactobacillus plantarum was treated with UV, the exhibited good stability obtained by a screening to tow mutants with cholesterol gradient plate and Cholesterol-degrading testing in vitro. Among which the rate of Cholesterol-degrading of Lp-UVs 29 and Lp-UVs 44 are respective 48.7% and 44.2%, which raise respectively by 97.97% and 79.67%.
Keywords:Lactobacillus plantarum  Ultraviolet mutation  Cholesterol-degrading
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