Development of real-time and lateral flow strip reverse transcription recombinase polymerase Amplification assays for rapid detection of peste des petits ruminants virus

文献类型： 外文期刊

第一作者： Yang, Yang

作者： Yang, Yang;Qin, Xiaodong;Song, Yiming;Zhang, Wei;Hu, Gaowei;Dou, Yongxi;Li, Yanmin;Zhang, Zhidong

作者机构：

关键词： Reverse transcription recombinase polymerase amplification assay;RT-RPA;Lateral flow strip;PPRV;Small ruminants

期刊名称：VIROLOGY JOURNAL （ 影响因子：4.099； 五年影响因子：3.719 ）

ISSN： 1743-422X

年卷期： 2017 年 14 卷

页码：

收录情况： SCI

摘要： Background: Peste des petits ruminants (PPR) is an economically important, Office International des Epizooties (OIE) notifiable, transboundary viral disease of small ruminants such as sheep and goat. PPR virus (PPRV), a negative-sense single-stranded RNA virus, is the causal agent of PPR. Therefore, sensitive, specific and rapid diagnostic assay for the detection of PPRV are necessary to accurately and promptly diagnose suspected case of PPR. Methods: In this study, reverse transcription recombinase polymerase amplification assays using real-time fluorescent detection (real-time RT-RPA assay) and lateral flow strip detection (LFS RT-RPA assay) were developed targeting the N gene of PPRV. Results: The sensitivity of the developed real-time RT-RPA assay was as low as 100 copies per reaction within 7 min at 40 degrees C with 95% reliability; while the sensitivity of the developed LFS RT-RPA assay was as low as 150 copies per reaction at 39 degrees C in less than 25 min. In both assays, there were no cross-reactions with sheep and goat pox viruses, foot-and-mouth disease virus and Orf virus. Conclusions: These features make RPA assay promising candidates either in field use or as a point of care diagnostic technique.

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