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Somatic antigens of pseudomonads: structure of the O-specific polysaccharide of Pseudomonas fluorescens IMV 2366 (biovar C). 2002

George V Zatonsky, and Nina A Kocharova, and Stanislav P Veremeychenko, and Evelina L Zdorovenko, and Alexander S Shashkov, and Galina M Zdorovenko, and Yuriy A Knirel
ND Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospekt 47, 119991 Moscow, Russian Federation.

The O-specific polysaccharide of P. fluorescens IMV 2366 was studied by sugar and methylation analyses along with 1H and 13C NMR spectroscopy, including 2D gsCOSY, TOCSY, gsNOESY, H-detected 1H,(13)C gsHSQC, HMQC-TOCSY, and gsHMBC experiments. The polysaccharide contains L-rhamnose, 2-acetamido-2,6-dideoxy-D-galactose (D-FucNAc) and 3-acylamido-3,6-dideoxy-D-glucose (D-Qui3NAcyl, where Acyl is 3-hydroxy-2,3-dimethyl-5-oxoprolyl). The structure 1 of the polysaccharide was found to be similar to the structure 2 of a 6-deoxy-L-talose (L-6dTal)-containing O-specific polysaccharide of a non-classified P. fluorescens strain, 361, studied earlier [Khomenko, V. A.; Naberezhnykh, G. A.; Isakov, V. V.; Solov'eva, T. F.; Ovodov, Y. S.; Knirel, Y. A.; Vinogradov, E. V. Bioorg. Khim. 1986, 12, 1641-1648; Naberezhnykh, G. A.; Khomenko, V. A.; Isakov, V. V., El'kin, Y. N.; Solov'eva, T. F.; Ovodov, Y. S. Bioorg. Khim. 1987, 13, 1428-1429]. --> 2)-beta-D-Quip3NAcyl-(1 --> 3)-alpha-L-Rhap-(1 --> 3)-alpha-D-FucpNAc-(1 --> 1. --> 4)-beta-D-Quip3NAcyl-(1 --> 3)-alpha-L-6dTalp4Ac-(1 --> 3)-alpha-D-FucpNAc-(1 -->2.

UI MeSH Term Description Entries
D008401 Gas Chromatography-Mass Spectrometry A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative as well as quantitative determinations of compounds. Chromatography, Gas-Liquid-Mass Spectrometry,Chromatography, Gas-Mass Spectrometry,GCMS,Spectrometry, Mass-Gas Chromatography,Spectrum Analysis, Mass-Gas Chromatography,Gas-Liquid Chromatography-Mass Spectrometry,Mass Spectrometry-Gas Chromatography,Chromatography, Gas Liquid Mass Spectrometry,Chromatography, Gas Mass Spectrometry,Chromatography, Mass Spectrometry-Gas,Chromatography-Mass Spectrometry, Gas,Chromatography-Mass Spectrometry, Gas-Liquid,Gas Chromatography Mass Spectrometry,Gas Liquid Chromatography Mass Spectrometry,Mass Spectrometry Gas Chromatography,Spectrometries, Mass-Gas Chromatography,Spectrometry, Gas Chromatography-Mass,Spectrometry, Gas-Liquid Chromatography-Mass,Spectrometry, Mass Gas Chromatography,Spectrometry-Gas Chromatography, Mass,Spectrum Analysis, Mass Gas Chromatography
D008745 Methylation Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed) Methylations
D009005 Monosaccharides Single chain carbohydrates that are the most basic units of CARBOHYDRATES. They are typically colorless crystalline substances with a sweet taste and have the same general formula CnH2nOn. Monosaccharide,Simple Sugar,Simple Sugars,Sugar, Simple,Sugars, Simple
D011551 Pseudomonas fluorescens A species of nonpathogenic fluorescent bacteria found in feces, sewage, soil, and water, and which liquefy gelatin. Bacillus fluorescens,Bacillus fluorescens liquefaciens,Bacterium fluorescens,Liquidomonas fluorescens
D006868 Hydrolysis The process of cleaving a chemical compound by the addition of a molecule of water.
D019081 O Antigens The lipopolysaccharide-protein somatic antigens, usually from gram-negative bacteria, important in the serological classification of enteric bacilli. The O-specific chains determine the specificity of the O antigens of a given serotype. O antigens are the immunodominant part of the lipopolysaccharide molecule in the intact bacterial cell. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) O-Antigen,O-Specific Polysaccharides,O Antigen,O Antigen, Bacterial,O-Antigens,O-Specific Polysaccharide,Antigen, Bacterial O,Antigen, O,Antigens, O,Bacterial O Antigen,O Specific Polysaccharide,O Specific Polysaccharides,Polysaccharide, O-Specific,Polysaccharides, O-Specific
D019906 Nuclear Magnetic Resonance, Biomolecular NMR spectroscopy on small- to medium-size biological macromolecules. This is often used for structural investigation of proteins and nucleic acids, and often involves more than one isotope. Biomolecular Nuclear Magnetic Resonance,Heteronuclear Nuclear Magnetic Resonance,NMR Spectroscopy, Protein,NMR, Biomolecular,NMR, Heteronuclear,NMR, Multinuclear,Nuclear Magnetic Resonance, Heteronuclear,Protein NMR Spectroscopy,Biomolecular NMR,Heteronuclear NMR,Multinuclear NMR,NMR Spectroscopies, Protein,Protein NMR Spectroscopies,Spectroscopies, Protein NMR,Spectroscopy, Protein NMR

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