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Development of a Real-Time Quantitative RT-PCR Assay for Detection of Bovine Rhinitis B Virus

文献类型： 外文期刊

作者： Xie, Yi-Lun 1 ; Lv, Dian-Hong 2 ; Wen, Xiao-Hui 2 ; Zhai, Qi 2 ; Luo, Man-Lin 1 ; Wei, Wen-Kang 2 ; Chen, Qin-Ling 2 ; Zh 1 ;

作者机构： 1.South China Agr Univ, Coll Vet Med, Guangzhou, Peoples R China

2.Guangdong Acad Agr Sci, Inst Anim Hlth, Key Lab Anim Dis Prevent Guangdong Prov,Minist Ag, Sci Observat & Expt Stn Vet Drugs & Diagnost Tech, Guangzhou, Peoples R China

3.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Guangzhou, Peoples R China

关键词： bovine rhinitis B virus; RT-qPCR; TaqMan probe; detection; assay

期刊名称：FRONTIERS IN VETERINARY SCIENCE （ 影响因子：3.412； 五年影响因子：3.588 ）

ISSN：

年卷期： 2021 年 8 卷

页码：

收录情况： SCI

摘要： Bovine rhinitis B virus (BRBV) has been frequently identified in cattle diagnosed with bovine respiratory disease complex (BRDC) in recent years, suggesting its potential contribution to BRDC. The goal of this study was to develop a TaqMan-based real-time quantitative RT-PCR assay for efficient BRBV detection. A pair of primers and a probe were designed based on the 3D gene of the BRBV genome. The assay was specific for BRBV and able to exclude bovine rhinitis A virus, foot-and-mouth disease virus and Senecavirus A. The limit of detection of the assay was 4.46 copies per reaction. A standard curve was plotted, with a coefficient of determination of 0.999 in the concentration range of 10(0)-10(8) copies/mu l. The reproducibility of the assay was acceptable, with the standard deviations of cycle threshold values lower than 1.00 in both intra- and inter-assay. Of 200 samples collected from 150 head of cattle in recent years in China, 11% (22/200) of the samples tested positive in the assay, i.e., 4.6% (7/150) of the cattle were BRBV positive. This study provides an efficient diagnostic tool for the epidemiological investigations of BRBV.

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