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2009•Journal of Clinical MicrobiologyOpen access

Rapid and Highly Sensitive Neuraminidase Subtyping of Avian Influenza Viruses by Use of a Diagnostic DNA Microarray

Astrid Gall, Bernd Hoffmann, Timm Harder, Christian Grund, Ralf Ehricht, Martin Beer

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Abstract

Rapid neuraminidase subtyping of avian influenza viruses from diagnostic samples is crucial considering the existence of permanently emerging and evolving strains. Here we report an easy-to-use, low-cost microarray for neuraminidase subtyping following fragment amplification by a generic, neuraminidase-specific reverse transcription-PCR (RT-PCR). This method enables highly specific characterization with a sensitivity equal to that of matrix gene-specific real-time RT-PCR.

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Rapid neuraminidase subtyping of avian influenza viruses from diagnostic samples is crucial considering the existence of permanently emerging and evolving strains. Here we report an easy-to-use, low-cost microarray for neuraminidase subtyping following fragment amplification by a generic, neuraminidase-specific reverse transcription-PCR (RT-PCR). This method enables highly specific characterization with a sensitivity equal to that of matrix gene-specific real-time RT-PCR.

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Available abstract

Rapid neuraminidase subtyping of avian influenza viruses from diagnostic samples is crucial considering the existence of permanently emerging and evolving strains. Here we report an easy-to-use, low-cost microarray for neuraminidase subtyping following fragment amplification by a generic, neuraminidase-specific reverse transcription-PCR (RT-PCR). This method enables highly specific characterization with a sensitivity equal to that of matrix gene-specific real-time RT-PCR.

Key concepts: Subtyping, Neuraminidase, Biology, Influenza A virus subtype H5N1, Virology, DNA microarray, Influenza A virus, Microarray

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