Journal
JOURNAL OF VIROLOGICAL METHODS
Volume 181, Issue 2, Pages 148-154Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jviromet.2012.01.019
Keywords
Duck Tembusu virus; Real-time RT-PCR; Minor-groove-binding probe; Diagnostic assay
Funding
- Earmarked Fund for Modern Agro-industry Technology Research System [nycytx-45-11]
- Zhejiang Natural Sciences Foundation [Y3100396]
- Zhejiang Academy of Agricultural Sciences [2010R22Y01D01]
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The design and development of a 3'-conjugated minor-groove-binding (MGB) probe for a real-time RT-PCR assay allowing for the rapid, sensitive, and specific detection of duck Tembusu virus (DTMUV) RNA are described. This assay targeted the 3' terminal non-coding region (NCR) of the TMUV genome and detected 1 x 10(1) copies of RNA per reaction without cross-reaction with other duck pathogens. The linear range of detection was 2 x 10(1)-2 x 10(8) copies/mu l. The assay was rapid, requiring just over 2.0 h, including the nucleic acid extraction step. Therefore, this assay is an excellent tool for research routine diagnostic applications, and study of the epidemiology of TMUV infections among duck flocks. (C) 2012 Elsevier B.V. All rights reserved.
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