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Evaluation of a quantitative real-time PCR for rapid detection of Riemerella Anatipestifer infection in birds

文献类型: 外文期刊

作者: Zhang, Qingshan 1 ; Wan, Chunhe 2 ; Li, Chenxi 1 ; Bai, Xiaofei 1 ; Liu, Ming 1 ; Liu, Siguo 1 ; Zhang, Yun 1 ;

作者机构: 1.Chinese Acad Agr Sci, Harbin Vet Res Inst, State Key Lab Vet Biotechnol, Harbin 150001, Heilongjiang, Peoples R China

2.Fujian Acad Agr Sci, Inst Anim Husb & Vet Med, Fuzhou 350013, Fujian, Peoples R China

关键词: conventional PCR;TaqMan-based real-time PCR;Riemerella anatipestifer

期刊名称:JOURNAL OF VETERINARY MEDICAL SCIENCE ( 影响因子:1.267; 五年影响因子:1.348 )

ISSN: 0916-7250

年卷期: 2017 年 79 卷 12 期

页码:

收录情况: SCI

摘要: To establish an accurate, rapid, and a quantifiable method for the detection of Riemerella anatipestifer infection, a widespread infectious disease in birds, we developed a TaqMan-based real-time PCR assay by using DtxR gene-specific primers and a TaqMan probe. The standard curve established with a linear correlation (R-2) of 0.998 and efficiency of 99% between the Ct value and the logarithm of the plasmid copy number. The reproducibility and specificity of the real-time PCR assay were confirmed by using plasmids containing DtxR genes or DNAs extracted from well-known bacteria or viruses causing duck diseases. The real-time PCR assay was 100 times more sensitive than the conventional PCR. The results reveal that the established real-time PCR assay might be a useful method for diagnosis and quantitative detection of Riemerella anatipestifer in birds.

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