Detection of low copies of drug-resistant influenza viral gene by a single-tube reaction using peptide nucleic acid as both PCR clamp and sensor probe

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Abstract

Influenza virus infection causes endemics almost yearly and pandemics occasionally. Although antivirals are available for the clinical treatment of influenza virus infection, the emergence of a drug-resistant virus has reduced the effectiveness of therapy and prophylaxis. Therefore, the timely detection of drug-resistant influenza viruses is important. A single-tube reaction using peptide nucleic acid (PNA) as both a polymerase chain reaction (PCR) clamp and a sensor probe was established to detect the low numbers of copies of viral genes that carry the resistant marker. Influenza A H1N1 viruses resistant to a clinically used antiviral, amantadine, are selected for the experimental design. The PNA-mediated reverse transcription-PCR detected 10 copies/μL of RNA from the resistant strain among 2 × 104 copies/μL of RNA from the sensitive strain. A rapid and sensitive method was established for detecting low numbers of drug-resistant genes of the influenza virus. The assay would help to monitorthe emergence of adrug-resistant influenza virus. © 2012.

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APA

Tsao, K. C., Chiou, C. C., Chen, T. L., Huang, C. G., Hsieh, E. F., & Shih, S. R. (2014). Detection of low copies of drug-resistant influenza viral gene by a single-tube reaction using peptide nucleic acid as both PCR clamp and sensor probe. Journal of Microbiology, Immunology and Infection, 47(3), 254–256. https://doi.org/10.1016/j.jmii.2012.09.006

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