Novel Rhamnose-Containing Glycopolymers from the Cell Wall of Rathayibacter festucae VKM Ac-1390T

Shashkov, A.S.; Potekhina, N.V.; Tulskaya, E.M.; Dmitrenok, A.S.; Senchenkova, S.N.; Dorofeeva, L.V.; Lyudmila, I.E.

Авторы: Shashkov Alexander S., Potekhina Natalia V., Tulskaya Elena M., Dmitrenok Andrey S., Senchenkova Sof’ya N., Dorofeeva Lubov V., Lyudmila I.Evtushenko
Журнал: Biochemistry (Moscow)
Том: 89
Номер: 12
Год издания: 2025
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 2204
Последняя страница: 2213
DOI: 10.1134/s0006297924120095
Аннотация: Abstract—Rathayibacter festucaе VKM Ac-1390T (family Microbacteriaceae, class Actinomycetes) contains three rhamnose-containing glycopolymers in the cell wall. The structures of polymers were established by chemical and NMR spectroscopy methods. The first polymer, a rhamnomannan, is built from repeating tetrasaccharide units carrying side xylopyranose residues, →2)-α-[β-D-Xylp-(1→3)]-D-Rhap-(1→3)-α-D-Manp-(1→2)-α-D-Rhap-(1→3)-α-D-Manp-(1→. The second one found in minor amounts, is a rhamnan, →2)-α-D-Rhap-(1→3)-α-D-Rhap-(1→. The third polymer is a teichuronic acid acetalated with pyruvic acid, →2)-α-[4,6-S-Pyr]-D-Manp-(1→4)-α-L-Rhap-(1→4)-β-D-Glcp-(1→4)-α-D-Glcp-(1→4)-β-D-GlcpA-(1→. The structures of glycopolymers were established by chemical and NMR spectroscopy methods. The results of the present study expand our understanding of the structural diversity of microbial glycopolymers and are consistent with previous reports on the species specificity of glycopolymer structures and composition in the genus Rathayibacter.
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Novel Rhamnose-Containing Glycopolymers from the Cell Wall of Rathayibacter festucae VKM Ac-1390Tстатья Исследовательская статья

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