化学
盐单胞菌属
嗜盐菌
多糖
异核单量子相干光谱
四糖
细菌
脂多糖
化学结构
碳-13核磁共振
立体化学
核磁共振波谱
生物化学
有机化学
医学
生物
遗传学
内分泌学
作者
Elena N. Sigida,Marina S. Kuzina,Maxim S. Kokoulin,Ibrahim M. Ibrahim,Vyacheslav S. Grinev,С. А. Коннова,Yu. P. Fedonenko
标识
DOI:10.1016/j.carres.2023.109019
摘要
Lipopolysaccharide was obtained from the aerobic moderately halophilic bacterium Halomonas fontilapidosi KR26. The O-polysaccharide was isolated by mild acid degradation of the lipopolysaccharide and was examined by chemical methods and by 1H and 13C NMR spectroscopy, including 1H,1H COSY, TOCSY, ROESY, and 1H,13C HSQC, and HMBC experiments. The following structure of the linear tetrasaccharide repeating unit was deduced. →2)-α-l-Rhap-(1→2)-α-l-Rhap-(1→3)-α-l-Rhap-(1→3)-β-d-Galp-(1→.
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