D-rhamnan and teichuronic acid from the cell wall of Rathayibacter caricis VKM Ac-1799Tстатья
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Дата последнего поиска статьи во внешних источниках: 4 июня 2021 г.
Аннотация:The cell wall of Rathayibacter caricis VKM Ac-1799T (family Microbacteriaceae, class Actinobacteria) was found tocontain both neutral and acidic glycopolymers. The first one is D-rhamnopyranan with main chain →2)-α-DRhap-(1 → 3)-α-D-Rhap-(1→, where a part of 2-substituted residues bears as a side-chain at position 3 α-D-Manpresidues or disaccharides α-D-Araf-(1→2)-α-D-Manp-(1 → . The second polymer is a teichuronic acid with abranched repeating units composed of seven monosaccharides →4)-α-[β-D-Manp-(1 → 3)]-D-Glcp-(1 → 4)-β-DGlcpA-(1 → 2)-β-[4,6Pyr]-D-Manp-(1 → 4)-β-L-Rhap-(1 → 4)-β-D-Glcp-(1 → 4)-β-D-Glcp-(1 → . The structures ofthe polymers were determined by chemical and NMR spectroscopic methods.