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Updated: May 16, 2025

OLIgo Mass Profiling OLIMP of Extracellular Polysaccharides
Published on: June 20, 2010
Structure of O-polysaccharide from the Azospirillum himalayense ptl-3T lipopolysaccharide
Evelina L Zdorovenko1, Elena N Sigida2, Andrey S Dmitrenok1
1N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospekt, Moscow, 119991, Russia.
Abstract:
Lipopolysaccharide was extracted with hot aqueous phenol from cells of Azospirillum himalayense ptl-3T, a diazotrophic Gram-negative bacterium isolated from Himalayan valley soil, India. The O-polysaccharide (OPS) was released by mild acid hydrolysis of the lipopolysaccharide and was structurally characterized by chemical analyses and by 1D and 2D NMR spectroscopy. The following structure of the OPS trisaccharide repeating unit was established. →3)-α-l-Fucp-(1→3)-α-l-Fucp-(1→3)-α-d-Rhap4NAc-(1→.
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