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Chemical structure of the O-polysaccharide isolated fromPectobacterium atrosepticumSCRI 1039

Authors
Journal
Carbohydrate Research
0008-6215
Publisher
Elsevier
Publication Date
Volume
346
Issue
18
Identifiers
DOI: 10.1016/j.carres.2011.10.026
Keywords
  • Lipopolysaccharide
  • O-Antigen
  • Erwinia Carotovorasubsp.Atroseptica
  • Pectobacterium Atrosepticum
  • Nmr
Disciplines
  • Chemistry

Abstract

Abstract The lipopolysaccharide (LPS) of the bacterium Pectobacterium atrosepticum SCRI 1039 was hydrolyzed and the products were separated. A study of the obtained O-polysaccharide by means of chemical methods, GLC, GLC–MS, and NMR spectroscopy allowed us to identify a branched polymer with a pentasaccharide repeating unit of the structure shown below, in which the fucose residue was partially O-acetylated at C-2, C-3 or C-4.

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