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A Single Amino Acid at the Hemagglutinin Cleavage Site Contributes to the Pathogenicity and Neurovirulence of H5N1 Influenza Virus in Mice

12 Apr 2012

Abstract excerpt

H5 influenza viruses containing a motif of multiple basic amino acids at the hemagglutinin (HA) cleavage site (HACS) are highly pathogenic in chicken but display different virulence phenotypes in mammals. Previous studies have shown that multiple basic amino acids of H5N1 influenza virus are a prerequisite for lethality in mice. However, it remains unclear which specific residue at the cleavage site affects the...

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PMID: 22496231
DOI: 10.1128/jvi.07142-11

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