Direct Correlation between Sialic Acid Binding and Infection of Cells by Two Human Polyomaviruses (JC Virus and BK Virus)

Abstract excerpt

For the human polyomaviruses JC virus (JCV) and BK virus (BKV), the first step to a successful infection involves binding to sialic acid moieties located on the surfaces of host cells. By stripping and then reconstituting specific sialic acid linkages on host cells, we show that JCV uses both alpha(2,3)-linked and alpha(2,6)-linked sialic acids on N-linked glycoproteins to infect cells. For both JCV and BKV, the...

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