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Quantitative TaqMan real-time PCR for detection of porcine reproductive and respiratory syndrome virus
Author(s): 
Pages: 328-332
Year: Issue:  5
Journal: ACTA AGRICULTURAE ZHEJIANGENSIS

Keyword:  猪繁殖与呼吸综合征病毒荧光定量PCRTaqMan探针;
Abstract: 针对猪繁殖与呼吸综合征病毒(Porcine reproductive and respiratory syndrome virus,PRRSV)N基因保守序列设计引物与TaqMan探针,在建立常规PCR的基础上,设计并优化了TaqMan荧光定量PCR方法用于PRRSV核酸的检测.应用新建立的荧光定量PCR方法检测其它主要猪病病原,无任何非特异性反应;针对PRRSV阳性克隆质粒的检测灵敏度可以达到1.2×101 copy/ml,比常规PCR高100倍;通过对48份临床疑似样本的检测表明有29份样本为PRRSV阳性,与巢式PCR检测结果一致,而常规PCR只能检出其中19份阳性样本,灵敏度优于常规PCR方法.结果表明,试验建立的PRRSV TaqMan荧光定量PCR方法具有良好的特异性、敏感性和重复性,可为PRRSV临床诊断提供一个更为有效的方法.
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