Reverse transcription loop-mediated isothermal amplification for the rapid detection of infectious bronchitis virus in infected chicken tissues
文献类型: 外文期刊
第一作者: Liu, Yong-sheng
作者: Liu, Yong-sheng;Ma, Li-qing
作者机构:
关键词: Infectious bronchitis virus (IBV);Detection;Reverse transcription loop-mediated isothermal amplification (RT-LAMP)
期刊名称:MOLECULAR AND CELLULAR PROBES ( 影响因子:2.365; 五年影响因子:2.386 )
ISSN: 0890-8508
年卷期: 2010 年 24 卷 2 期
页码:
收录情况: SCI
摘要: A reverse transcription loop-mediated isothermal amplification (RT-LAMP) assay targeting the nucleocapsid phosphoprotein gene of infectious bronchitis virus (IBV) was developed. The detection limits for the IBV RT-LAMP assay were 10(1) 50% egg infection dose (EID(50)) per 50 mu l of titrated viruses and no cross-reaction of IBV RT-LAMP was found when tested with other viruses including Newcastle disease virus (NDV), avian reovirus (ARV), and infectious laryngotrachietis virus (ILTV) due to their mismatch with IBV RT-LAMP primers. A total of 187 clinical tissues samples (88 blood, 62 kidney and 37 lung) were evaluated and compared to conventional RT-PCR. The sensitivity of RT-LAMP and RT-PCR assays for detecting IBV RNA in clinical specimens was 99.5% and 98.4%, respectively. These findings showed that the RT-LAMP assay has potential usefulness for rapid and sensitive diagnosis in outbreak of IBV. (C) 2009 Elsevier Ltd. All rights reserved.
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