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Use of high-resolution melting curve analysis to differentiate vaccine and wild type strains of grass carp reovirus genotype II

文献类型： 外文期刊

作者： Guo, Yanmin; Zeng, Weiwei 1 ; Wang, Qing 1 ; Wang, Yingying 1 ; Li, Yingying 1 ; Yin, Jiyuan 1 ; Ren, Yan 2 ; Shi, Cun 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Aquat Anim Immune Technol, Key Lab Fishery Drug Dev,Minist Agr, Guangzhou 510380, Guangdong, Peoples R China

2.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Aquat Anim Immune Technol, Key Lab Fishery Drug Dev,Minist Agr, Guangzhou 5103

关键词： Grass carp reovirus; High resolution melting (HRM); qPCR; Differential diagnosis

期刊名称：JOURNAL OF VIROLOGICAL METHODS （ 影响因子：2.014； 五年影响因子：2.001 ）

ISSN： 0166-0934

年卷期： 2018 年 256 卷

页码：

收录情况： SCI

摘要： Grass carp reovirus (GCRV) is the causative agent of a hemorrhagic disease that causes severe economic losses in the grass carp (Ctenopharyngodon idella) farming industry in China. Discrimination between wild-type field and vaccine strains of GCRV is crucial for meaningful disease diagnosis and epidemiological investigation, yet current detection methods do not discriminate between these different viruses. This study exploited sequence differences between vaccine viruses and the virulent and field strains in the S6 gene that is present in all GCRV strains to develop a high resolution melting curve assay to differentiate between virus strains. The high resolution melting curve analysis was as analytically sensitive as real-time quantitative-Polymerase Chain Reaction (qPCR) detection and at least 10 times sensitive than the conventional PCR. This one-step assay will facilitate grass carp hemorrhagic disease outbreak responses and control.

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