中国畜牧兽医 ›› 2021, Vol. 48 ›› Issue (2): 467-476.doi: 10.16431/j.cnki.1671-7236.2021.02.008

• 生物技术 • 上一篇    下一篇

RPA技术及其在动物病原检测中的应用

石美奕, 杨发龙   

  1. 西南民族大学生命科学与技术学院, 成都 610041
  • 收稿日期:2020-06-08 出版日期:2021-02-20 发布日期:2021-02-23
  • 通讯作者: 杨发龙 E-mail:yang.falong@swun.edu.cn
  • 作者简介:石美奕(1997-),女,山东淄博人,硕士生,研究方向:动物病原生物学,E-mail:2644347839@qq.com
  • 基金资助:
    四川省重点研发项目(2021YFN0008);西南民族大学研究生创新项目(CX2020SZ66)

RPA and Its Application in Detection of Animal Pathogens

SHI Meiyi, YANG Falong   

  1. College of Life Science and Technology, Southwest Minzu University, Chengdu 610041, China
  • Received:2020-06-08 Online:2021-02-20 Published:2021-02-23

摘要: 分子检测技术是进行病原检测、鉴定和疾病诊断的重要手段。重组酶聚合酶扩增技术(recombinase polymerase amplification,RPA)是一种新型核酸扩增技术,主要在能结合单链核酸(寡核苷酸引物)的重组酶、单链DNA结合蛋白(SSB)和链置换DNA聚合酶3种酶的作用下等温扩增DNA或RNA,具有操作便捷、特异性强、灵敏度高和反应迅速等优点,可实现对疾病的现场诊断。作者简述了RPA技术的反应体系组成、反应原理、引物和探针的设计以及扩增产物的检测方法等,介绍了RPA技术在动物重要病毒性、细菌性及寄生虫病原检测中的应用,分析了该技术的局限性,并对其发展前景进行了展望。

关键词: 重组酶聚合酶扩增技术; 动物病原; 检测; 应用

Abstract: Molecular detection technology is an important way of pathogen detection,identification and disease diagnosis.Recombinase polymerase amplification (RPA) is a new type of nucleic acid amplification technology.It can amplify DNA or RNA at a constant temperature with a recombinase that is capable of pairing oligonucleotide primers, single-stranded DNA binding (SSB) protein and strand-displacing polymerase.It has advantages of convenient operation,strong specificity,high sensitivity and rapid reaction,which can realize the field diagnosis of diseases.In this paper,the composition of reaction system,reaction principle,the design of primers and probes,and the detection methods of amplified products of RPA technology were introduced.The application of RPA technology in the detection of important viral,bacterial and parasitic pathogens in animals was introduced,the limitations of RPA technology were analyzed,and its development prospect was prospected.

Key words: recombinase polymerase amplification; animal pathogen; detection; application

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