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Rapid detection of H146-like goose calicivirus using real-time RT-PCR with a Taqman minor groove binder probe

文献类型： 外文期刊

作者： Zheng, Min 1 ; Lin, Su 1 ; Zhang, Shizhong 1 ; Chen, Xiuqin 1 ; Jiang, Dandan 1 ; Chen, Shaoying 1 ; Wang, Shao 1 ; Chen, 1 ;

作者机构： 1.Fujian Acad Agr Sci, Inst Anim Husb & Vet Med, Fuzhou 350003, Peoples R China

2.Fujian Anim Dis Control Technol Dev Ctr, Fuzhou 350013, Peoples R China

关键词： Goose calicivirus; H146-like; Real-Time RT-PCR; TaqMan-MGB; Probe; Virus detection

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： 2020 年 285 卷

页码：

收录情况： SCI

摘要： H146-like goose-origin calicivirus (H146-like GCV) is a novel Caliciviridae family member in the Sanovirus genus that was associated with gosling growth retardation syndrome growth retardation syndrome complicated by visceral urate deposition. However, there is no accurate and high throughput real-time quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR) available for the rapid and highly sensitive identification of H146-like GCV. In this study, a pair of specific primers and a TaqMan minor groove binder (MGB) probe were designed based on a conserved region in the nonstructural (NS) gene sequence. The TaqMan-MGB probe-based one-step qRT-PCR assay was capable of detecting quite low number of targeting nucleic acid as low as 5.07 copies/mu L and had excellent intra-assay and inter-assay repeatability with the coefficient of variation (CV) value from 0.558% to 1.293%. The assay was highly specific for H146-like GCV, without cross-reactions with other non-targeted goose-origin viruses, and 62 suspicious tissue samples infected with H146-like GCV from different regions of Fujian Province were used in this study to verify the feasibility and effectiveness of this assay in clinical diagnosis. The results indicated that our assay for the diagnosis and quantification of H146-like GCV was highly sensitive and specific, and should provide a reliable real-time tool for epidemiological and pathogenetic study of H146-like GCV infection, enabling researchers to better understand the epidemiology and clinical presentation of this disease.

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