[1]冯 宇,杨晓宇,赵 军,等.猪繁殖与呼吸综合征病毒与非典型瘟病毒双重RT-PCR检测方法的建立与应用[J].中国预防兽医学报,2019,(02):156-160.[doi:0.3969/j.issn.1008-0589.201805002]
 FENG Yu,YANG Xiao-yu,ZHAO Jun,et al.Establishment and application of a duplex RT-PCR for the detection of PRRSV and APPV[J].Chinese journal of preventive veterinary medicine,2019,(02):156-160.[doi:0.3969/j.issn.1008-0589.201805002]
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猪繁殖与呼吸综合征病毒与非典型瘟病毒双重RT-PCR检测方法的建立与应用()
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《中国预防兽医学报》[ISSN:1008-0589/CN:23-1417/S]

卷:
期数:
2019年02
页码:
156-160
栏目:
出版日期:
2019-02-15

文章信息/Info

Title:
Establishment and application of a duplex RT-PCR for the detection of PRRSV and APPV
文章编号:
1008-0589(2019)02-0156-05
作者:
 

冯 宇1杨晓宇1赵 军1李雨濛1徐志文12*朱 玲12

 (1. 四川农业大学 动物生物技术中心,四川 成都 611130;2. 四川动物疫病与人类健康四川省重点实验室,四川 成都 611130)
Author(s):
 

FENG Yu1 YANG Xiao-yu1 ZHAO Jun1 LI Yu-meng1 XU Zhi-wen12* ZHU Ling12

 (1. Animal Biotechnology Center, Sichuan Agricultural University, Chengdu 611130, China;
2. Key Laboratory of Animal Disease and Human Health of Sichuan Province, Chengdu 611130, China
关键词:
猪繁殖与呼吸综合征病毒非典型瘟病毒双重RT-PCR
Keywords:
 porcine reproductive respiratory syndrome  atypical porcine pestiviruses  duplex RT-PCR
分类号:
S852.65
DOI:
0.3969/j.issn.1008-0589.201805002
文献标志码:
A
摘要:
为建立同时快速简便地检测猪繁殖与呼吸综合征病毒(PRRSV)与非典型瘟病毒(APPV)两种病毒的方法,本研究根据GenBank中登录的PRRSV、APPV的基因序列,选取PRRSV的ORF2基因和APPV的NS2基因分别设计特异性引物,通过优化反应条件,建立了能够同时检测PRRSV与APPV的双重RT-PCR方法。利用该方法对PRRSV、APPV重组质粒、猪瘟病毒、乙型脑炎病毒、猪流行性腹泻病毒的cDNA和阴性对照进行检测,结果显示除PRRSV和APPV重组质粒扩增结果为阳性外,其余均为阴性,表明其特异性良好;该方法对APPV和PRRSV质粒标准品的最低检出量分别为2.17×104拷贝/μL 、3.13×103拷贝/μL,敏感性较高;同时批间和批内重复性试验表明该方法重复性好。利用该方法对四川地区临床73份疑似仔猪颤抖病与猪繁殖与呼吸综合征病的病料样品进行检测,结果与单一RT-PCR的检测符合率为100 %。本研究建立的双重RT-PCR方法具有良好的实用性,可用于临床样品的检测,对临床早期诊断具有重要意义。
  
Abstract:
In order to quickly and easily detect both porcine reproductive and respiratory syndrome virus (PRRSV) and atypical prion virus (APPV), a duplex RT-PCR assay was established for PRRSV and APPV detections with 2 pairs of specific primers targetting the ORF2 gene of PRRSV and NS2 gene of APPV. By optimizing the reaction conditions, the duplex RT-PCR method was capable of specifically detecting PRRSV and APPV simultaneously, and no amplification was found for swine fever virus, Japanese encephalitis virus and porcine epidemic diarrhea virus. The lowest copy number detected by this method was 2.17×104 copies/μL for APPV and 3.13×103 copies/μL for PRRSV, respectively. At the same time, the inter-batch and intra-batch tests showed that the method were reproducible. Moreover, 73 clinical samples collected from the piglets with suspected trembling disease and the pigs with reproductive and respiratory syndrome in Sichuan area were detected by the duplex assay, and the results were 100% coincident with single RT-PCR. The established RT-PCR method in this study can be used for the detection of clinical samples, which is of great significance for early clinical diagnosis.

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                            (本文编辑:彭永刚)

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更新日期/Last Update: 2019-03-06