期刊
JOURNAL OF VIROLOGICAL METHODS
卷 141, 期 1, 页码 102-106出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jviromet.2006.11.030
关键词
PRRSV; Flinders Technology Associates filter paper; pig; real-time RT-PCR
The combination of Flinders Technology Associates filter papers (FTA (R) cards) and real-time PCR was examined to establish a simple and rapid technique for the detection of porcine reproductive and respiratory syndrome virus (PRRSV) from whole pig blood. A modified live PRRS vaccine was diluted with either sterilised saline or pig whole blood, and the suspensions were applied onto the FTA (R) cards. The real-time RT-PCR detection of PRRSV was performed directly with the samples applied to the FTA (R) card without the RNA extraction step. Six whole blood samples from at random selected piglets in the PRRSV infected farm were also assayed in this study. The expected PCR product was successfully amplified from either saline diluted or pig whole blood diluted vaccine. The same PCR ampliocon was detected from all blood samples assayed in this study. This study suggested that the combination of an FTA (R) card and real-time PCR is a rapid and easy technique for the detection of PRRSV. This technique can remarkably shorten the time required for PRRSV detection from whole blood and makes the procedure much easier. (c) 2006 Elsevier B.V. All rights reserved.
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