Structure of О-polysaccharide of  Escherichia coli  O95: a disaccharide repeating unit containing  d -fucose and  d - threo -pent-2-ulose (xylulose)

A. V. Perepelov; S. N. Senchenkova; N. A. Kalinchuk; A. S. Shashkov; Yu. A. Knirel

doi:10.1007/s11172-018-2310-5

Structure of О-polysaccharide of Escherichia coli O95: a disaccharide repeating unit containing d-fucose and d-threo-pent-2-ulose (xylulose)

Authors: Perepelov A.V.¹, Senchenkova S.N.¹, Kalinchuk N.A.¹, Shashkov A.S.¹, Knirel Y.A.¹
Affiliations:
1. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Issue: Vol 67, No 10 (2018)
Pages: 1931-1933
Section: Article
URL: https://journal-vniispk.ru/1066-5285/article/view/243136
DOI: https://doi.org/10.1007/s11172-018-2310-5
ID: 243136

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Abstract

The structure of О-polysaccharide (О-antigen) of Escherichia coli O95 was established using the analysis of deacylated lipopolysaccharide of E. coli O95 by 2D ¹H and ¹³С NMR spectroscopy. It was found to consist of disaccharide repeating units containing one of each 3-substituted residues of d-fucose and d-threo-pent-2-ulose (xylulose).