R- and S-Pyruvate-Containing Polysaccharide from the Cell Wall of Rathayibacter sp. VKM Ac-2927

Kokoulin, M.S.; Potekhina, N.V.; Tul’skaya, E.M.; Ospennikov, Y.V.; Evtushenko, L.I.

Авторы: Kokoulin Maksim S., Potekhina Natalia V., Tul’skaya Elena M., Ospennikov Yury V., Evtushenko Lyudmila I.
Журнал: Biochemistry (Moscow)
Том: 90
Номер: 4
Год издания: 2025
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 493
Последняя страница: 501
DOI: 10.1134/S0006297925600759
Аннотация: Abstract— The structures of two cell wall glycopolymers from the strain Rathayibacter sp. VKM Ac-2927 (family Microbacteriaceae, class Actinomycetes), isolated from the leaves of a linden affected by leaf miner, were establishedusing chemical and NMR spectroscopy methods. The first polymer, rhamnomannan, is a heterogeneouschain polymer composed of regularly alternating α-D-rhamnose and α-D-mannose residues linked by (1→3)- and (1→2)-glycosidic bonds and contains a minor amount of lateral β-D-xylopyranose residues (structure is presented in the text). The second polymer, acetalized with R- and S-pyruvic acid, consists of branched tetrasaccharide units, →3)-α-D-Galp4,6-(R-Pyr)-(1→3)-β-D-Glcp-(1→6)-[β-D-Galp3,4-(S-Pyr)-(1→4)]-α-D-Manp-(1→. Structureof this polysaccharide is new for the representatives of the genus Rathayibacter and prokaryotes in general. The results of present study indicate structural diversity of microbial glycopolymers and are consistent withthe previously obtained data on specificity of their composition for the species of the Rathayibacter genus.
Добавил в систему: Тульская Елена Михайловна

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R- and S-Pyruvate-Containing Polysaccharide from the Cell Wall of Rathayibacter sp. VKM Ac-2927статья

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