详细信息
CydDC蛋白的表达及对谷胱甘肽运输的影响
Expression of CydDC in Escherichia coli and the Effect of It on Glutathione Transportation
文献类型:期刊文献
中文题名:CydDC蛋白的表达及对谷胱甘肽运输的影响
英文题名:Expression of CydDC in Escherichia coli and the Effect of It on Glutathione Transportation
作者:全聪[1];张静[1];吴辉[1];李志敏[1];叶勤[1]
机构:[1]华东理工大学生物反应器工程国家重点实验室,上海200237
年份:2016
卷号:32
期号:11
起止页码:255
中文期刊名:生物技术通报
外文期刊名:Biotechnology Bulletin
收录:CSTPCD;;北大核心:【北大核心2014】;CSCD:【CSCD_E2015_2016】;
基金:上海市产学研医合作项目
语种:中文
中文关键词:谷胱甘肽;运输蛋白;共表达;重组大肠杆菌
外文关键词:glutathione; transporter; co-expression; recombinant Escherichia coli
摘要:在重组大肠杆菌中共表达了谷胱甘肽运输蛋白CydDC与双功能合成酶GshF,通过增强对谷胱甘肽的运输作用,提高谷胱甘肽产量。实验结果表明,目的蛋白CydDC及GshF均成功表达;重组菌MG1655(pTrc99a-as/p BAD33-cydDC)总谷胱甘肽产量为0.22 mmol/L,胞外谷胱甘肽含量显著增加,达到81.9%,分别是对照菌MG1655(pTrc99a-as/pBAD33)的1.11倍和1.29倍。
This study is to co-express the CydDC and GshF in the recombinant Escherichia coli,and to increases the glutathioneproduction by enhancing glutathione transportation. As the results from the experiments,the target protein CydDC and Gsh F were successfullyexpressed,the glutathione production of MG1655(pTrc99a-as/pBAD33-cydDC)reached 0.22 mmol/L,and the content of glutathione insupernatant significantly increased and reached 81.9%,which was 1.11-fold and 1.29-fold of control strain MG1655(pTrc99a-as/p BAD33),respectively.
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