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Russian Chemical Bulletin

, Volume 67, Issue 11, pp 2131–2134 | Cite as

Structure of the O-polysaccharide of Escherichia coli O60

  • A. V. Perepelov
  • O. I. Naumenko
  • S. N. Senchenkova
  • A. S. Shashkov
  • A. O. Chizhov
  • Yu. A. KnirelEmail author
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  • 11 Downloads

Abstract

Structure of the O-polysaccharide (O-antigen) of Escherichia coli O60 was studied by sugar analysis, partial solvolysis with CF3CO2H, and 1D and 2D 1H and 13C NMR spectroscopy. The O-polysaccharide was found to consist of D-galactose and L-rhamnose. The structure of its branched tetrasaccharide repeating unit was established, which is unique among known bacterial polysaccharide structures.

Key words

Escherichia coli bacterial polysaccharide structure O-antigen lipopolysaccharide solvolysis 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • A. V. Perepelov
    • 1
  • O. I. Naumenko
    • 1
  • S. N. Senchenkova
    • 1
  • A. S. Shashkov
    • 1
  • A. O. Chizhov
    • 1
  • Yu. A. Knirel
    • 1
    Email author
  1. 1.N. D. Zelinsky Institute of Organic ChemistryRussian Academy of SciencesMoscowRussian Federation

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