Chemical structure of the O-polysaccharide isolated from Pectobacterium atrosepticum SCRI 1039 |
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| Authors: | Czerwicka Małgorzata Marszewska Kinga Bychowska Anna Dziadziuszko Halina Brzozowski Krzysztof Łojkowska Ewa Stepnowski Piotr Kaczyński Zbigniew |
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| Institution: | aFaculty of Chemistry, University of Gdansk, Sobieskiego 18/19, PL-80-952 Gdansk, Poland;bDepartment of Molecular Microbiology and Serology, National Salmonella Centre, Medical University of Gdansk, Do Studzienki 38, PL-80-227 Gdansk, Poland;cIntercollegiate Faculty of Biotechnology University of Gdansk, Medical University of Gdansk, K?adki 24, PL-80-822 Gdansk, Poland |
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| 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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| Keywords: | Lipopolysaccharide O-antigen Erwinia carotovora subsp atroseptica Pectobacterium atrosepticum NMR |
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