|本期目录/Table of Contents|

[1]王飞,张丽.超声波破碎法提取多食鞘氨醇杆菌中17β-雌二醇降解酶的优化及酶学性质[J].江苏农业科学,2014,42(04):310-313.
 Wang Fei,et al.Optimization of ultrasonic-disruption extraction conditions of 17β-estradiol-degrading enzyme from Sphingobacterium multivorum and its enzymatic properties[J].Jiangsu Agricultural Sciences,2014,42(04):310-313.
点击复制

超声波破碎法提取多食鞘氨醇杆菌中17β-雌二醇降解酶的优化及酶学性质(PDF)
分享到:

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第42卷
期数:
2014年04期
页码:
310-313
栏目:
资源与环境
出版日期:
2014-04-25

文章信息/Info

Title:
Optimization of ultrasonic-disruption extraction conditions of 17β-estradiol-degrading enzyme from Sphingobacterium multivorum and its enzymatic properties
作者:
王飞 张丽
南京理工大学环境与生物工程学院,江苏南京 210094
Author(s):
Wang Feiet al
关键词:
ED4菌株超声波破碎E2降解酶
Keywords:
-
分类号:
Q814.1;X172
DOI:
-
文献标志码:
A
摘要:
采用超声波破碎多食鞘氨醇杆菌细胞壁的方法提取雌二醇降解酶,通过单因素条件研究确定各因素对超声波破碎影响的高低,依据Box-Benhnken设计原则对破碎条件进行响应面回归模型分析(RSA)。研究得到最佳条件为:菌体浓度188 mg/mL,破碎功率400 W,总破碎时间29 min(超声3 s,间隔5 s),认为破碎功率对超声波破碎的影响最大。预测破碎后得到的粗酶液总酶活力为1.484 U,实际测得的粗酶液酶活力为1.477 U。根据试验结果认为:采用超声波破碎方法可以较好地提取氨肽酶,运用响应面分析法优化超声波破碎条件是可行的。
Abstract:
-

参考文献/References:

[1]丁小东,朱明华. 环境激素污染研究[J]. 能源环境保护,2006,20(4):13-15.
[2]Gross-Sorokin M Y,Roast S D,Brighty G C. Assessment of feminization of male fish in English rivers by the Environment Agency of England and Wales[J]. Environmental Health Perspectives,2006,114(Suppl 1):147-151.
[3]Johnson A C,Sumpter J P. Removal of endocrine-disrupting chemicals in activated sludge treatment works[J]. Environmental Science and Technology,2001,35(24):4697-4703.
[4]Kavlock R J,Daston G P,Derosa C,et al. Research needs for the risk assessment of health and environmental effects of endocrine disruptors:a report of the U.S. EPA-sponsored workshop[J]. Environmental Health Perspectives,1996,104(Suppl 4):715-740.[HT]
[5]世界资源研究所,联合国环境规划署,联合国开发计划署,等. 1998-99世界资源报告:全球环境指南[M]. 北京:中国环境科学出版社,1999.
[6]Hinteman T,Schneider C,Schler H F,et al. Field study using two immunoassays for the determination of estradiol and ethinylestradiol in the aquatic environment[J]. Water Research,2006,40(12):2287-2294.
[7]任海燕,纪树兰,刘志培,等. 17α-乙炔基雌二醇降解菌的分离鉴定及降解特性[J]. 环境科学,2006,27(6):1186-1190.
[8]Haiyan R, Shulan J, Ahmad N, et al. Degradation characteristics and metabolic pathway of 17α-ethynylestradiol by Sphingobacterium sp. JCR5[J]. Chemosphere, 2007, 66(2): 340-346.
[9]Fujii K, Kikuchi S, Satomi M, et al. Degradation of 17β-estradiol by a gram-negative bacterium isolated from activated sludge in a sewage treatment plant in Tokyo, Japan[J]. Applied and Environmental Microbiology,2002,68(4):2057-2060.
[10]Fan Z, Casey F X M, Hakk H, et al. Persistence and fate of 17β-estradiol and testosterone in agricultural soils[J]. Chemosphere, 2007, 67(5): 886-895.
[11]Muller M,Patureau D,Godon J J,et al. Molecular and kinetic characterization of mixed cultures degrading natural and synthetic estrogens[J]. Applied Microbiology and Biotechnology,2010,85(3):691-701.
[12]Yu C P, Roh H, Chu K H. 17β-estradiol-degrading bacteria isolated from activated sludge[J]. Environmental Science & Technology, 2007, 41(2): 486-492.
[13]纪建业. 脂肪酶活力测定方法的改进[J]. 通化师范学院学报,2005,26(6):51-53.

相似文献/References:

备注/Memo

备注/Memo:
收稿日期:2013-08-23
基金项目:江苏省自然科学基金(编号:SBK201022464)。
作者简介:王飞(1988—),女,安徽合肥人,硕士研究生,研究方向为微生物学。E-mail:wang576180559@126.com。
通信作者:张丽,女,硕士,副教授,研究方向为生物化工。E-mail:njust_zhangli@163.com。
更新日期/Last Update: 2014-04-25