基于RT-LAMP的10种烈性病毒快速检测方法的研究

赵娜1,赵望2,刘淇3,夏菡1,师永霞4,袁志明1

微生物与感染 ›› 2018, Vol. 13 ›› Issue (5) : 265-272.

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微生物与感染 ›› 2018, Vol. 13 ›› Issue (5) : 265-272. DOI: 10.3969/j.issn.1673-6184.2018.05.002
论著

基于RT-LAMP的10种烈性病毒快速检测方法的研究

  • 赵娜1,赵望2,刘淇3,夏菡1,师永霞4,袁志明1
作者信息 +

Development of a method for rapid detection of 10 high-pathogenic viruses based on reverse transcription-loop-mediated isothermal amplification

  • ZHAO Na1,ZHAO Wang2,LIU Qi3,XIA Han1,SHI Yongxia4,YUAN Zhiming1
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摘要

本研究针对10种对人类健康威胁较大的烈性病毒建立反转录-环介导等温扩增法(reverse transcription-loop-mediated isothermal amplification,RT-LAMP),筛选出10种烈性病毒高特异性引物,并分别对这10种病毒进行特异检测。结果显示,其安全、便捷、快速,且高通量。在自主研发的RT-LAMP体系中,只需加入模板,结合配套仪器,扩增耗时不超过45 min,检测灵敏度为1~100拷贝/反应(25 μL)。检测30份人血清样品,筛查出1份裂谷热病毒阳性。该方法操作简单,可防止污染,成本低,易携带,方便于低配实验室或现场进行实时高通量检测。结果提示,针对10种烈性病毒的RT-LAMP方法可对口岸等人员流动性大的地区疑似患者进行快速筛查,展现出良好的应用前景。

Abstract

The present study aims to establish a method for rapid detection of a panel of pathogenic viruses based on reverse transcription-loop-mediated isothermal amplification (RT-LAMP). Primer sets of 10 pathogenic viruses with high specificity were screened. It was suggested that the method was safe, rapid, convenient, and high-throughput in detection of pathogenic viruses. When combined with the new immobilized reaction tubes, the amplification for 10 pathogenic viruses in 1-100 copies could be finished within 45 min. In the assay of 30 serum samples, one rift valley fever virus-positive sample was obtained. A rapid, convenient, low-cost, real-time and high-throughput detection method for common pathogenic viruses was established. The results indicate that RT-LAMP method for 10 high-pathogenic viruses has a good application prospect in rapidly screening suspected patients in areas with high population mobility such as ports.

关键词

环介导等温扩增法 / 烈性病毒 / 现场快速检测

Key words

Loop-mediated isothermal amplification / High-pathogenic virus / Rapid field detection

引用本文

导出引用
赵娜1,赵望2,刘淇3,夏菡1,师永霞4,袁志明1. 基于RT-LAMP的10种烈性病毒快速检测方法的研究[J]. 微生物与感染. 2018, 13(5): 265-272 https://doi.org/10.3969/j.issn.1673-6184.2018.05.002
ZHAO Na1,ZHAO Wang2,LIU Qi3,XIA Han1,SHI Yongxia4,YUAN Zhiming1. Development of a method for rapid detection of 10 high-pathogenic viruses based on reverse transcription-loop-mediated isothermal amplification[J]. Journal of Microbes and Infections. 2018, 13(5): 265-272 https://doi.org/10.3969/j.issn.1673-6184.2018.05.002

基金

科技基础性工作专项(2013FY113500),广东省科技计划项目(2015A020213007)


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