Campylobacter Glycans And Glycopeptides


Multiple strains and species of Campylobacter share a common glycan moiety which is present in a plurality of surface-exposed glycoproteins. This glycan has the formula: GalNAc-a1, 4-GalNAc-a1,4-[Glc-beta1,3]GalNAc-a1,4-GalNAc-a1,4-GalNAc-a1,3-Bac, wherein Bac is 2, 4-diacetamido-2,4,6-trideoxy-D-glucopyranose. This glycan and immunologically active fragments of it have use as vaccines against campylobacter infection in humans and animals. As well, antibodies which specifically bind these compounds may be provided. Such antibodies and vaccines may be used to prevent or neutralize campylobacter infections in livestock thereby preventing this pathogen from entering the human food chain. The glycan may be linked to one or more amino acids to form a glycopeptide. As well, a method for determining the glycan structure of an intact glycoprotein consists of subjecting a sample to high resolution magic angle spinning nuclear magnetic resonance (HR-MAS-NMR) spectroscopy.

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Document History
  • Publication: Oct 6, 2009
  • Application: Jan 31, 2005
    US US 52345905 A
  • Priority: Jan 31, 2005
    US US 52345905 A
  • Priority: Jul 30, 2003
    CA CA 0301156 W
  • Priority: Aug 1, 2002
    US US 39973502 P

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