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Development and evaluation of a TaqMan MGB RT-PCR assay for detection of H5 and N8 subtype influenza virus.


ABSTRACT: BACKGROUND:Highly pathogenic influenza A (H5N8) viruses have caused several worldwide outbreaks in birds and are of potential risk to humans. Thus, a specific, rapid and sensitive method for detection is urgently needed. METHODS:In the present study, TaqMan minor groove binder probes and multiplex real-time RT-PCR primers were designed to target the H5 hemagglutinin and N8 neuraminidase genes. A total of 38 strains of avian influenza viruses and other viruses were selected to test the performance of the assay. RESULTS:The results showed that only H5 and N8 avian influenza viruses yielded a positive signal, while all other subtypes avian influenza viruses and other viruses were negative. High specificity, repeatability, and sensitivity were achieved, with a detection limit of 10 copies per reaction. CONCLUSIONS:The developed assay could be a powerful tool for rapid detection of H5N8 influenza viruses in the future.

SUBMITTER: Yang F 

PROVIDER: S-EPMC7391517 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Development and evaluation of a TaqMan MGB RT-PCR assay for detection of H5 and N8 subtype influenza virus.

Yang Fan F   Xu Lihua L   Liu Fumin F   Yao Hangping H   Wu Nanping N   Wu Haibo H  

BMC infectious diseases 20200729 1


<h4>Background</h4>Highly pathogenic influenza A (H5N8) viruses have caused several worldwide outbreaks in birds and are of potential risk to humans. Thus, a specific, rapid and sensitive method for detection is urgently needed.<h4>Methods</h4>In the present study, TaqMan minor groove binder probes and multiplex real-time RT-PCR primers were designed to target the H5 hemagglutinin and N8 neuraminidase genes. A total of 38 strains of avian influenza viruses and other viruses were selected to test  ...[more]

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