Article
In vitro evolution of H5N1 avian influenza virus toward human-type receptor specificity.
Virology - 5 Jan 2012
Chen Li-Mei, Blixt Ola, Stevens James, Lipatov Aleksandr S, Davis Charles T, Collins Brian E, Cox Nancy J, Paulson James C, Donis Ruben O
Abstract excerpt
Acquisition of α2-6 sialoside receptor specificity by α2-3 specific highly-pathogenic avian influenza viruses (H5N1) is thought to be a prerequisite for efficient transmission in humans. By in vitro selection for binding α2-6 sialosides, we identified four variant viruses with amino acid substitutions in the hemagglutinin (S227N, D187G, E190G, and Q196R) that revealed modestly increased α2-6 and minimally...
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