Structure of the N-glycans from the chlorovirus NE-JV-1

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Abstract

Results from recent studies are breaking the paradigm that all viruses depend on their host machinery to glycosylate their proteins. Chloroviruses encode several genes involved in glycan biosynthesis and some of their capsid proteins are decorated with N-linked oligosaccharides with unique features. Here we describe the elucidation of the N-glycan structure of an unusual chlorovirus, NE-JV-1, that belongs to the Pbi group. The host for NE-JV-1 is the zoochlorella Micractinium conductrix. Spectroscopic analyses established that this N-glycan consists of a core region that is conserved in all of the chloroviruses. The one difference is that the residue 3OMe-l-rhamnose is acetylated at the O-2 position in a non-stoichiometric fashion.

Original languageEnglish (US)
Pages (from-to)1391-1399
Number of pages9
JournalAntonie van Leeuwenhoek, International Journal of General and Molecular Microbiology
Volume110
Issue number11
DOIs
Publication statusPublished - Nov 1 2017

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Keywords

  • Chlorovirus
  • Micractinium conductrix
  • NMR analysis
  • Pbi virus
  • Virus NE-JV-1

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology

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