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Basic Characteristics of Mutations
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Mutation Site
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K627E |
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Mutation Site Sentence
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The 1918RNP-K627E virus, for example, induced almost no inflammatory changes, resembling the findings seen with rNY312. |
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Mutation Level
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Amino acid level |
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Mutation Type
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Nonsynonymous substitution |
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Gene/Protein/Region
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PB2 |
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Standardized Encoding Gene
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PB2
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Genotype/Subtype
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H1N1 |
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Viral Reference
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A/California/04/2009 wild type;A/New York/312/2001 wild type
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Functional Impact and Mechanisms
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Disease
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Cell line
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Immune
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- |
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Target Gene
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-
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Clinical and Epidemiological Correlations
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Clinical Information
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- |
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Treatment
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- |
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Location
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America |
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Literature Information
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PMID
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20689744
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Title
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The PB2-E627K mutation attenuates viruses containing the 2009 H1N1 influenza pandemic polymerase
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Author
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Jagger BW,Memoli MJ,Sheng ZM,Qi L,Hrabal RJ,Allen GL,Dugan VG,Wang R,Digard P,Kash JC,Taubenberger JK
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Journal
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mBio
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Journal Info
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2010 May 18;1(1):e00067-10
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Abstract
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The swine-origin H1N1 influenza A virus emerged in early 2009 and caused the first influenza pandemic in 41 years. The virus has spread efficiently to both the Northern and the Southern Hemispheres and has been associated with over 16,000 deaths. Given the virus's recent zoonotic origin, there is concern that the virus could acquire signature mutations associated with the enhanced pathogenicity of previous pandemic viruses or H5N1 viruses with pandemic potential. We tested the hypothesis that mutations in the polymerase PB2 gene at residues 627 and 701 would enhance virulence but found that influenza viruses containing these mutations in the context of the pandemic virus polymerase complex are attenuated in cell culture and mice.
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Sequence Data
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-
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