中国寄生虫学与寄生虫病杂志 ›› 2014, Vol. 32 ›› Issue (3): 18-239-241.

• 研究简报 • 上一篇    下一篇

猪带绦虫双歧杆菌表达系统pGEX-TSOL18/B. longum的构建及鉴定

周必英*,刘美辰,贺莉芳   

  1. 遵义医学院寄生虫学教研室,遵义 563003
  • 出版日期:2014-06-30 发布日期:2014-09-17

Construction and Identification of the Bifidobacterium Expression System pGEX-TSOL18/B. longum of Taenia solium

ZHOU Bi-ying*,LIU Mei-chen,HE Li-fang   

  1. Department of Parasitology,Zunyi Medical College,Zunyi 563003,China
  • Online:2014-06-30 Published:2014-09-17

摘要: 通过全基因合成猪带绦虫TSOL18基因,将该基因定向克隆至大肠埃希菌-双歧杆菌穿梭表达载体pGEX-1λT中,构建重组质粒pGEX-TSOL18,电穿孔法将该质粒导入长双歧杆菌(Bifidobacterium longum),构建猪带绦虫双歧杆菌表达系统pGEX-TSOL18/B. longum,并通过酶切、PCR和测序鉴定。全基因合成了393 bp的TSOL18基因片段。酶切、PCR和测序鉴定结果证明猪带绦虫双歧杆菌表达系统pGEX-TSOL18/B. longum构建成功。

关键词: 猪带绦虫, 双歧杆菌, TSOL18, 重组菌

Abstract: The TSOL18 gene of Taenia solium was synthesized and cloned into Escherichia coli-Bifidobacteria shuttle vector pGEX-1λT. The recombinant plasmid pGEX-TSOL18 was transformed into Bifidobacterium longum with electroporation. The recombinant plasmid containing TSOL18 gene was identified by restriction endonuclease analysis, PCR and DNA sequencing. The length of synthesized TSOL18 gene was 393 bp. The results indicated that the Bifidobacteria expression system pGEX-TSOL18/B. longum was successfully constructed.

Key words: Taenia solium, Bifidobacterium, TSOL18, Recombinant bacterium