《中国畜牧兽医》 ›› 2018, Vol. 45 ›› Issue (8): 2113-2118.doi: 10.16431/j.cnki.1671-7236.2018.08.009

• 生物技术 • 上一篇    下一篇

猪附红细胞体ENO基因重组腺病毒穿梭质粒的构建及真核表达

王淼1, 倪婷婷1, 伍生军1, 赵云1, 宋建臣1, 董亮1,2, 薛书江1   

  1. 1. 延边大学农学院, 延吉 133002;
    2. 吉林省和龙市动物卫生监督所, 和龙 133500
  • 收稿日期:2017-12-29 出版日期:2018-08-20 发布日期:2018-08-15
  • 通讯作者: 薛书江 E-mail:sjxue@ybu.edu.cn
  • 作者简介:王淼(1994-),女,黑龙江海伦人,硕士生,研究方向:寄生虫蛋白组学和免疫学,E-mail:1634850322@qq.com
  • 基金资助:

    国家自然科学基金(31460657);吉林省科技厅青年科研基金(20150520129JH)

Construction and Eukaryotic Expression of Recombinant Adenovirus Shuttle Plasmid of Mycoplasma suis ENO Gene

WANG Miao1, NI Tingting1, WU Shengjun1, ZHAO Yun1, SONG Jianchen1, DONG Liang1,2, XUE Shujiang1   

  1. 1. Agricultural College of Yanbian University, Yanji 133002, China;
    2. Jilin Helong Animal Health Supervision Institute, Helong 133500, China
  • Received:2017-12-29 Online:2018-08-20 Published:2018-08-15

摘要:

为构建猪附红细胞体ENO基因重组腺病毒穿梭质粒,试验根据GenBank中登录的猪附红细胞体ENO基因序列(登录号:CP002525.1)设计特异性引物,对ENO基因进行PCR扩增,并将纯化后的PCR产物克隆到pMD19-T载体中。用Kpn Ⅰ和Xho Ⅰ对pMD19T-ENO进行双酶切后,将其亚克隆至腺病毒穿梭载体PCR259中,构建PCR259-ENO重组质粒,提取重组质粒进行鉴定。应用脂质体介导转染法将鉴定正确的PCR259-ENO重组穿梭质粒转染293细胞,应用间接免疫荧光法(IFTA)检测ENO基因在293细胞中的表达。结果显示,试验克隆的ENO基因长为1 182 bp,编码393个氨基酸,与GenBank中ENO基因序列(登录号:CP002525.1)同源性为99%。构建的重组腺病毒穿梭质粒PCR259-ENO经PCR和酶切鉴定正确,并且能在293细胞中表达,表明ENO基因成功插入腺病毒穿梭质粒PCR259中,重组腺病毒穿梭质粒PCR259-ENO构建成功。

关键词: 猪附红细胞体; ENO基因; 重组腺病毒穿梭质粒; 表达

Abstract:

To construct recombinant adenovirus shuttle plasmid of ENO gene of Mycoplasma suis and express it in eukaryotic cells,a pair of primers was designed and synthesized according to the ENO gene sequence of Mycoplasma suis in GenBank (accession No.:CP002525.1) in this study.ENO gene was amplified by PCR method,and the products were cloned into the pMD19-T vector.The pMD19T-ENO plasmid was digested with Kpn Ⅰ and Xho Ⅰ, and then subcloned into the adenovirus shuttle vector PCR259.The PCR259-ENO plasmid was constructed and then identified by PCR and enzyme digestion.The PCR259-ENO recombinant shuttle plasmid was transfected into 293 cells by liposome-mediated transfection,and the expression of ENO gene in 293 cells was detected by IFTA technology.The results showed that the cloned ENO gene was 1 182 bp in length and encoded 393 amino acids with a homology of 99% with the ENO gene sequence in GenBank (accession No.:CP002525.1).The constructed recombinant adenovirus shuttle plasmid PCR259-ENO was identified by PCR and restriction enzyme digestion correctly, and was able to be expressed in 293 cells,indicating that ENO gene was successfully inserted into adenovirus shuttle plasmid PCR259 and the recombinant shuttle plasmid was successfully constructed.

Key words: Mycoplasma suis; ENO gene; recombinant adenovirus shuttle plasmid; expression

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