食品科学 ›› 2005, Vol. 26 ›› Issue (9): 327-329.

• 工艺技术 • 上一篇    下一篇

天花粉蛋白基因工程菌发酵条件研究

 赵巧云, 黎志东, 宋继蓉, 董兆麟   

  1. 西北大学化工学院,第四军医大学微生物学教研室,西北大学生命科学院
  • 出版日期:2005-09-15 发布日期:2011-09-20

Fermentation Conditions for High-Level Expression of Trichosanthin Gene in Gene Engineering Strain

 ZHAO  Qiao-Yun, LI  Zhi-Dong, SONG  Ji-Rong, DONG  Zhao-Lin   

  1. 1.Department of Chemical Engineering;2.Department of Microbiology, Fourth Military Medical University;3.Department of Life Science, North-West University
  • Online:2005-09-15 Published:2011-09-20

摘要: 目的:通过对天花粉蛋白基因工程菌T239发酵条件研究,优化培养及表达条件。方法:研究温度、PH值、培养时间、培养基成分、接种量、诱导剂浓度等6种因素对于表达量的影响。结果:天花粉蛋白基因工程菌T239发酵条件在温度30℃、pH值7.3、摇床转速200r/min、50ml/500ml培养瓶、接种量3%、培养时间30h、添加葡萄糖浓度为2.0g/L时,表达量最高。讨论:发酵条件对于天花粉蛋白的表达量有很大的影响

关键词: 天花粉蛋白, 基因工程菌, 发酵条件

Abstract: Objective: Engineering Strain(T239) was cultivated under different conditions in order to find the optimal Fermentations that would lead to maximal fusion protein yield. Methods: The strain was cultured under different temperature, pH, rotating rate, time, and capability of bottle Results and conclusions: The proper Fermentation Conditions consist of: 30℃, pH7.3,200r/min, 50ml/500mlculture bottle, 30h, rotating cultivation bed, with 2.0g/L glucoseon added.

Key words: Trichosanthin, geneengineering strain, fermentation