Comparison of real-time reverse transcription loop-mediated isothermal amplification and real-time reverse transcription polymerase chain reaction for duck Tembusu virus
文献类型: 外文期刊
第一作者: Yan, Liping
作者: Yan, Liping;Peng, Shan;Yan, Pixi;Zhou, Jiewen;Teng, Qiaoyang;Li, Guoxin;Li, Xuesong;Li, Zejun;Li, Zejun
作者机构:
关键词: Reverse transcription loop-mediated isothermal amplification;Duck Tembusu virus;Real-time reverse transcription polymerase chain reaction;Comparison
期刊名称:JOURNAL OF VIROLOGICAL METHODS ( 影响因子:2.014; 五年影响因子:2.001 )
ISSN:
年卷期:
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收录情况: SCI
摘要: Duck Tembusu virus (DTMUV) has caused huge losses to the poultry industry in China since the spring of 2010. The development of a rapid, convenient, and reliable method to diagnose this emerging duck infectious disease is critical. In the present study, a real-time reverse transcription loop-mediated isothermal amplification (RI-LAMP) assay was compared with the real-time reverse transcription polymerase chain reaction (RT-PCR) for detection of DTMUV. The sensitivity of real-time RT-LAMP was equal to that of the real-time RT-PCR, with a detection limit of 0.01 ELD50 (50% egg lethal dose). The specificity of the real-time RT-LAMP and real-time RT-PCR was confirmed using RNAs and DNAs extracted from related viruses which cause duck infections. The reproducibility of the real-time RT-PCR assay was better than that of the real-time RT-LAMP. Only three results from 96 tissue samples differed between the real-time RI-LAMP and this real-time RT-PCR, confirming the reliability of these methods. This study indicated that the real-time RI-LAMP is simpler, less time-consuming, and more convenient than the real-time RT-PCR. With its high sensitivity, specificity, and convenience, the real-time RT-LAMP is a practical molecular diagnostic method for rapid and quantitative detection of DTMUV infection in a resource-limited setting. (C) 2012 Elsevier B.V
分类号: R37
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