Reverse Transcription Cross-Priming Amplification-Nucleic Acid Test Strip for Rapid Detection of Porcine Epidemic Diarrhea Virus
文献类型: 外文期刊
第一作者: Wang, Feng-Xue
作者: Wang, Feng-Xue;Wen, Yong-Jun;Zhao, Shi-Hua;Zhan, Shu-Bai;Wen, Yong-Jun;Yuan, Dan-Yi;Sun, Zhi-Yong;He, Qian;Jin, Ya-Nan;Hu, Lin
作者机构:
期刊名称:SCIENTIFIC REPORTS ( 影响因子:4.379; 五年影响因子:5.133 )
ISSN: 2045-2322
年卷期: 2016 年 6 卷
页码:
收录情况: SCI
摘要: Porcine epidemic diarrhea virus (PEDV) is a highly transmissible coronavirus that causes a severe enteric disease particularly in neonatal piglets. In this study, a rapid method for detecting PEDV was developed based on cross-priming amplification and nucleic acid test strip(CPA-NATS). Five primers specific for the N gene sequence of PEDV were used for the cross-priming amplification. Detection of amplification products based on labeled probe primers was conducted with strip binding antibody of labeled markers. The CPA method was evaluated and compared with a PCR method. The reverse transcription CPA system was further optimized for detecting PEDV RNA in clinical specimens. Results showed that the method was highly specific for the detection of PEDV, and had the same sensitivity as PCR, with detection limit of 10(-6) diluted plasmid containing the target gene of PEDV. It was also successfully applied to detecting PEDV in clinical specimens. The reverse transcription CPA-NATS detection system established in this study offers a specific, sensitive, rapid, and simple detection tool for screening PEDV, which can contribute to strategies in the effective control of PEDV in swine.
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