单抗免疫斑点法和组织印迹法检测侵染蝴蝶兰的建兰花叶病毒

Microbiology(2009)

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Abstract
应用抗建兰花叶病毒(CymMV)的单克隆抗体,建立了快速检测蝴蝶兰病样的免疫斑点法(Dot-ELISA)和组织印迹法(Tissue blot-ELISA)。CymMV单抗稀释8000倍时,Dot-ELISA可检出病毒粗汁液的最大稀释度为1:10240;Tissue blot-ELISA中样品1次平切后1~5次印迹与Dot-ELISA样品1:80稀释结果相当,6~8次印迹与Dot-ELISA1:320稀释结果相当,前8次印迹均可以得到满意的检测效果。Tissue blot-ELISA的灵敏度略低于Dot-ELISA,使用单抗的结果比多抗特异性强,操作更为简便,适合大量兰花样品的快速检测。
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Key words
Monoclonal antibody,Cymbidium mosaic virus,Dot-ELISA,Tissue blot-ELISA
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