Development of reverse transcription loop mediated isothermal amplification assay for visual detection of Grapevine fleck virus (GFkV)

M. Almasi
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引用次数: 1

Abstract

Grapevine fleck virus (GFkV) produces a ubiquitous disease, latent in grapevine causing simple or complex infections with other more dangerous viruses. The aim of the present study is to detect GFkV through application of reverse transcription loop-mediated isothermal amplification (RT-LAMP) assay; its efficiency has been contrasted with other procedures such as Double antibody sandwich ELISA (DAS-ELISA) and RT-polymerase chain reaction (PCR). The coat protein (CP) gene of the virus is basically used for designing the primers. Using hydroxynaphthol blue (HNB) Dye, RT-LAMP was placed in a water bath after the optimization was done. In order to detect GFkV easily and rapidly, a new immunocapture (IC)-RT-LAMP assay was developed as well; it was further compared with other assays. The results show RT-LAMP is an advantageous method because it is highly sensitive, quite cheap, user-friendly, and safe; in addition, it is performed quickly by visual detection and does not require RNA extraction (in IC-RT-LAMP).
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逆转录环介导等温扩增目测葡萄斑疹病毒(GFkV)方法的建立
葡萄斑疹病毒(GFkV)产生一种普遍存在的疾病,潜伏在葡萄中,引起与其他更危险的病毒的简单或复杂感染。本研究的目的是通过应用逆转录环介导的等温扩增(RT-LAMP)法检测GFkV;并与双抗体夹心ELISA (DAS-ELISA)和rt -聚合酶链反应(PCR)等方法进行了比较。病毒外壳蛋白(CP)基因主要用于设计引物。采用羟基酚蓝(HNB)染料,优化后将RT-LAMP置于水浴中。为了方便、快速地检测GFkV,还建立了一种新的免疫捕获(IC)-RT-LAMP检测方法;并与其他检测方法进行比较。结果表明,RT-LAMP具有灵敏度高、价格便宜、操作方便、安全等优点;此外,它可以通过视觉检测快速完成,不需要RNA提取(在IC-RT-LAMP中)。
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