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|標題:||One-step reverse-transcription loop-mediated isothermal amplification for detection of infectious bursal disease virus|
|期刊/報告no：:||Canadian Journal of Veterinary Research-Revue Canadienne De Recherche Veterinaire, Volume 75, Issue 2, Page(s) 122-127.|
|摘要:||A fast, sensitive, and specific reverse-transcription (RT) loop-mediated isothermal amplification (RT-LAMP) assay was developed that involved a single tube and a 1-step reaction for detecting infectious bursal disease virus (IBDV). Four specific primers were used for amplification of the VP2 gene of IBDV. The amplified LAMP products were detected by DNA electrophoresis and by direct observation with the naked eye in the presence of SYBR Green I. The sensitivity of RT-LAMP was determined to be 0.01 fg of IBDV viral RNA. This assay for IBDV is more sensitive than the conventional RT-polymerase chain reaction assay, which has a detection limit of 1 ng. The LAMP assay was also assessed for specificity and was found to precisely discriminate between positive and negative test samples. This newly established LAMP assay, combined with RT, is a practical diagnostic tool because IBDV-infected and uninfected clinical samples collected from an experimental farm could be discriminated. Full verification of a sample's IBDV status was obtained within 40 min of extraction of the viral RNA, which could then be directly added to the RT-LAMP reaction mixture.|
|Appears in Collections:||生物科技學研究所|
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