Structure and gene cluster of the O-antigen of Escherichia coli O102

The O-polysaccharide (O-antigen) of Escherichia coli O102 was studied by sugar analysis along with one- and two-dimensional 1H and 13C NMR spectroscopy. The following structure of the branched pentasaccharide repeating unit was established: [Display omitted] The O-antigen gene cluster of E. coli O10...

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Bibliographic Details
Published in:Carbohydrate research 2012-11, Vol.361, p.73-77
Main Authors: Perepelov, Andrei V., Wang, Quan, Senchenkova, Sof’ya N., Gong, Yanping, Shashkov, Alexander S., Wang, Lei, Knirel, Yuriy A.
Format: Article
Language:English
Subjects:
Bacterial polysaccharide structure
Carbohydrate Conformation
carbon
Escherichia coli
Escherichia coli - chemistry
Escherichia coli - genetics
Lipopolysaccharide
Molecular Sequence Data
Multigene Family
nuclear magnetic resonance spectroscopy
Nuclear Magnetic Resonance, Biomolecular
O Antigens - chemistry
O Antigens - genetics
O-Antigen
O-Antigen gene cluster
stable isotopes
sugars
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Summary:The O-polysaccharide (O-antigen) of Escherichia coli O102 was studied by sugar analysis along with one- and two-dimensional 1H and 13C NMR spectroscopy. The following structure of the branched pentasaccharide repeating unit was established: [Display omitted] The O-antigen gene cluster of E. coli O102 was sequenced. The gene functions were tentatively assigned by comparison with sequences in the available databases and found to be in full agreement with the E. coli O102 O-polysaccharide structure.
ISSN:0008-6215
1873-426X
DOI:10.1016/j.carres.2012.07.024