Carbohydrate-containing polymers of the cell wall of the thermophilic streptomycete Streptomyces thermoviolaceus subsp. thermoviolaceus VKM Ac-1857T |
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| Authors: | Yu I Kozlova G M Streshinskaya A S Shashkov S N Senchenkova L I Evtushenko |
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| Institution: | (1) Faculty of Biology, Lomonosov Moscow State University, 119992 Moscow, Russia;(2) Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky pr. 47, 117913 Moscow, Russia;(3) All-Russian Collection of Microorganisms (VKM), Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, 142292 Pushchino, Moscow Region, Russia |
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| Abstract: | Anionic polymers of the cell surface of a thermophilic streptomycete were investigated. The cell wall of Streptomyces thermoviolaceus subsp. thermoviolaceus VKM Ac-1857(T) was found to contain polymers with different structure: teichoic acid--1,3-poly(glycerol phosphate), disaccharide-1-phosphate polymer with repeating unit -6)-alpha-Galp-(1-->6)-alpha-GlcpNAc-P-, and polysaccharide without phosphate with repeating unit -->6)-alpha-GalpNAc-(1-->3)-beta-GalpNAc-(1-->. Disaccharide-1-phosphate and polysaccharide without phosphate have not been described earlier in prokaryotic cell walls. |
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| Keywords: | streptomycetes cell wall anionic polymers NMR spectroscopy |
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