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犬流感病毒RT-LAMP快速检测方法的建立 被引量:7

Establishment of rapid reverse transcriptase loop-mediated isothermal amplification for detection of canine influenza virus
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摘要 为了建立一种便捷、灵敏的犬流感病毒(CIV)检测技术,本研究根据CIV相对保守的M片段设计3对特异性引物,建立CIV的RT-LAMP检测方法,对反应体系中的MgSO4、Betaine、Bst DNA PoLymerase、dNTP、引物浓度等分别进行了优化,并进行敏感性和特异性试验。结果表明:所建立的反应体系在恒温水浴锅中作用45min即可得到其特有的阶梯状条带,而且对犬细小病毒、犬瘟病毒和犬副流感病毒的扩增结果均为阴性。该方法对CIV RNA的最小检测限为0.1pg,灵敏性高于一步RT-PCR方法。RT-LAMP和普通RT-PCR方法检测临床样品的符合率为93.02%。该方法为犬流感病毒的临床检测提供了一种简便、实用的方法,为基层检疫提供了方便。 In this paper, a simple, quick RT-LAMP method was established to detect canine influenza virus (C1V) using specific outer, inner and loop primers targeted the M gene conserved regions of CIV. The results showed that the RT-LAMP method developed in this experiment with a 0.1 pg detection limit of CIV RNA, was more sensitive than RT-PCR method and of high specificity, which could be easily adapted for detection of CIV.
出处 《中国预防兽医学报》 CAS CSCD 北大核心 2010年第1期36-39,共4页 Chinese Journal of Preventive Veterinary Medicine
基金 国家自然科学基金(30972233) 广东省科技计划项目(2008A060202017 2009B060300024) 广东省自然科学基金重点项目(8251064201000008) 教育部博士点基金(20094404110017)
关键词 犬流感病毒(CIV) 逆转录环介导等温扩增 快速检测 canine influenza virus(CIV) reverse transcriptase loop-mediated isothermal amplification (RT-LAMP) rapid detection
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参考文献12

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共引文献66

同被引文献81

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