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PB2-588I Enhances 2009 H1N1 Pandemic Influenza Virus Virulence by Increasing Viral Replication and Exacerbating PB2 Inhibition of Beta Interferon Expression

12 Dec 2013

Abstract excerpt

The 2009 pandemic H1N1 influenza virus (pdm/09) is typically mildly virulent in mice. In a previous study, we identified four novel swine isolates of pdm/09 viruses that exhibited high lethality in mice. Comparing the consensus sequences of the PB2 subunit of human isolates of pdm/09 viruses with those of the four swine isolate viruses revealed one consensus mutation: T588I. In this study, we determined that 588T...

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PMID: 24335306
DOI: 10.1128/jvi.03024-13

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