Rapid and specific detection of porcine parvovirus using real-time PCR and High Resolution Melting (HRM) analysis

文献类型： 外文期刊

第一作者： Yu, Hai-Qiong

作者： Yu, Hai-Qiong;Lin, Zhi-Xiong;Cai, Xian-Quan;Yue, Qiao-Yun;Li, Rong;Li, Xiang-Li;Zhu, Xing-Quan

作者机构：

关键词： Porcine parvovirus (PPV);High resolution melting (HRM);Real-time PCR

期刊名称：BMC VETERINARY RESEARCH （ 影响因子：2.741； 五年影响因子：2.955 ）

ISSN： 1746-6148

年卷期： 2015 年 11 卷

页码：

收录情况： SCI

摘要： Background: Porcine parvovirus (PPV) is the important causative agent for infectious infertility, which is a fairly tough virus that multiplies normally in the intestine of pigs without causing clinical signs in the world. Results: We developed an assay integrating real-time PCR and high resolution melting (HRM) analysis for the detection of PPV. Primers targeting the VP gene were highly specific, as evidenced by the negative amplification of closely related viruses, such as porcine circovirus 2 (PCV2), porcine reproductive and respiratory syndrome virus (PRRSV), pseudorabies virus (PRV), classical swine fever virus (CSFV), or Japanese encephalitis virus (JEV). The performance of unlabeled real time PCR was compared to TaqMan real time PCR, and the detection limits of the two methods were nearly equal. Moreover, there was good correlation between Cp and diluted genomic DNA when tested with the two methods. The assay has the accuracy of 100% in reference to labeled real time PCR, when it was tested on 45 clinical samples. Conclusions: The present study demonstrated that the established assay integrating real-time PCR and HRM is relatively cost-effective and more stable, which provides an alternative tool for rapid, simple, specific and sensitive detection of PPV.

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