中国畜牧兽医

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牛病毒性腹泻病毒实时荧光定量RT-PCR方法的建立及应用

王荣1,李文文1,王研1,刘亚刚1,余琼2,任永刚2   

  1.  (1.西南民族大学生命科学与技术学院,四川成都 610041;2.西昌市畜牧局,四川西昌 615000)
  • 收稿日期:2013-08-12 出版日期:2014-02-20 发布日期:2014-03-27
  • 通讯作者: 刘亚刚(1959—),男,四川人,教授,硕士生导师,研究方向:兽医免疫学。E-mail:LYG_068@163.com
  • 作者简介:王荣(1985—),女,山东人,硕士,研究方向:兽医免疫学。
  • 基金资助:

    西南民族大学硕士研究生创新型科研项目(CX2013SZ71)。

Establishment and Application of Real-time Fluorescent Quantitative RT-PCR Method for Detection of Bovine Viral Diarrhea Virus

WANG Rong1, LI Wen-wen1, WANG Yan1, LIU Ya-gang1, YU Qiong2, REN Yong-gang2   

  1. (1. College of Life Science and Technology, Southwest University for Nationalities, Chengdu 610041, China; 2. Xichang Animal Husbandry Bureau, Xichang 615000, China)
  • Received:2013-08-12 Online:2014-02-20 Published:2014-03-27

摘要: 持续性感染和免疫耐受是牛病毒性腹泻病的重要特征,这一特征给该病的诊断、检疫及防控造成很大困难,为此,建立快速实用、高效敏感的牛病毒性腹泻病毒(bovine viral diarrhea virus,BVDV)检测方法具有重要意义。据GenBank中登录的BVDV 5′UTR保守区域设计并合成1对特异性引物,以SYBR GreenⅠ染料为扩增指示剂,建立了BVDV实时荧光定量RT-PCR检测方法。结果表明,该方法具有快速、敏感、特异、重复性好等优点。该方法的建立为牛病毒性腹泻病的早期快速诊断和有效检出持续性感染动物提供了手段,是该病检疫和诊断方法的补充和完善。

关键词: 牛病毒性腹泻病毒; 实时荧光定量RT-PCR; 5′ UTR; 检测方法

Abstract: Persistent infection and immunologic tolerance are important characteristics of bovine viral diarrhea disease, which have caused great difficulties on the diagnosis, quarantine and prevention of the bovine viral diarrhea virus (BVDV), so a fast and efficient detection method of BVDV is quite necessary. A pair of primers were designed based on the gene sequences of BVDV 5′UTR published in GenBank, then established the Real-time fluorescent quantitative RT-PCR detection method with SYBR Green Ⅰ to detect BVDV. The results showed that the detection method had high specificity, strong sensitivity and good repeatability. Thus, the detection method of the Real-time fluorescent quantitative RT-PCR would provide an effective means for the rapid detection of BVDV and persistent infected animals. It could supplement and perfect the quarantine and diagnostic methods of BVDV.

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