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Rapid detection of infectious hypodermal and hematopoietic necrosis virus (IHHNV) by real-time, isothermal recombinase polymerase amplification assay.
Xia, Xiaoming; Yu, Yongxin; Hu, Linghao; Weidmann, Manfred; Pan, Yingjie; Yan, Shuling; Wang, Yongjie.
Afiliação
  • Xia X; Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation, Ministry of Agriculture, Shanghai, China.
Arch Virol ; 160(4): 987-94, 2015 Apr.
Article em En | MEDLINE | ID: mdl-25655264
Infectious hypodermal and hematopoietic necrosis virus (IHHNV) causes mortality or runt deformity syndrome in penaeid shrimps and is responsible for significant economic losses in the shrimp aquaculture industry. Here, we describe a novel real-time isothermal recombinase polymerase amplification (RPA) assay developed for IHHNV detection. Using IHHNV plasmid standards and DNA samples from a variety of organisms, we evaluated the ability of the IHHNV-RPA assay to detect IHHNV based on analysis of its sensitivity, specificity, rapidity, and reproducibility. Probit analysis of eight independent experimental replicates indicated satisfactory performance of the RPA assay, which is sufficiently sensitive to detect as few as 4 copies of the IHHNV genome within 7 min at 39 °C with 95 % reliability. Therefore, this rapid RPA method has great potential for applications, either in field use or as a point of care diagnostic technique.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Densovirinae / Técnicas de Amplificação de Ácido Nucleico / Penaeidae Tipo de estudo: Diagnostic_studies / Evaluation_studies / Guideline Limite: Animals Idioma: En Ano de publicação: 2015 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Densovirinae / Técnicas de Amplificação de Ácido Nucleico / Penaeidae Tipo de estudo: Diagnostic_studies / Evaluation_studies / Guideline Limite: Animals Idioma: En Ano de publicação: 2015 Tipo de documento: Article