Structure of the O-polysaccharide of Escherichia coli O87

Evelina L. Zdorovenko, Alla K. Golomidova, Nikolai Prokhorov, Alexander S. Shashkov, Lei Wang, Andrei V. Letarov, Yuriy A. Knirel

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The following structure of the O-polysaccharide of Escherichia coli HS1/2 serving as a primary receptor for bacteriophage DT57-12 was elucidated by sugar analysis along with 1D and 2D 1H and 13C NMR spectroscopy: →3)-β-D-Galf-(1→4)-α-D-Galp-(1→3)-α-D-GalpA-(1→3)-β-D-GalpNAc-(1→4/OAc This structure is shared by E. coli O87 type strain. Putatively assigned functions of genes in the O-antigen gene cluster of E. coli O87 are consistent with the O-polysaccharide structure established.

Original languageEnglish (US)
Pages (from-to)15-18
Number of pages4
JournalCarbohydrate Research
Volume412
DOIs
StatePublished - May 17 2015
Externally publishedYes

Keywords

  • Bacterial polysaccharide structure
  • Escherichia coli O87
  • Lipopolysaccharide
  • O-Antigen gene cluster
  • O-Specific polysaccharide

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Organic Chemistry

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