三己糖二酰基甘油和酰基三己糖二酰基甘油作为干酪乳杆菌DSM 20021脂磷壁酸的脂质锚定物。
Trihexosyldiacylglycerol and acyltrihexosyldiacylglycerol as lipid anchors of the lipoteichoic acid of Lactobacillus casei DSM 20021.
作者信息
Nakano M, Fischer W
出版信息
Hoppe Seylers Z Physiol Chem. 1978 Jan;359(1):1-11. doi: 10.1515/bchm.1978.359.1.1.
The lipoteichoic acid of Lactobacillus casei DSM 20021 was isolated. It consists of glycolipid and a poly(glycerophosphate), 37-44 units in length. The lipid portions can be released by treatment with hydrofluoric acid or acetic acid. They were determined to be 1,2-di-O-acyl-3-O-[O-beta-D-glucopyranosyl-(1 leads to 6)-O-alpha-D-galacto-pyranosyl-(1 leads to 2)-alpha-D-glucopyranosyl]glycerol and 1,2-di-O-acyl-3-O-[O-beta-D-glucopyranosyl-(1 leads to 6)-O-alpha-D-galactopyranosyl-(1 leads to 2)-(6-O-acyl-alpha-D-glucopyranosyl)]glycerol. Lipoteichoic acid with a third carbohydrate-linked fatty acid in the glycolipid portion represents a novel subclass.
干酪乳杆菌DSM 20021的脂磷壁酸被分离出来。它由糖脂和一条长度为37 - 44个单位的聚（甘油磷酸）组成。脂质部分可以通过用氢氟酸或乙酸处理而释放出来。它们被确定为1,2 - 二 - O - 酰基 - 3 - O - [O - β - D - 吡喃葡萄糖基 - (1→6) - O - α - D - 吡喃半乳糖基 - (1→2) - α - D - 吡喃葡萄糖基]甘油和1,2 - 二 - O - 酰基 - 3 - O - [O - β - D - 吡喃葡萄糖基 - (1→6) - O - α - D - 吡喃半乳糖基 - (1→2) - (6 - O - 酰基 - α - D - 吡喃葡萄糖基)]甘油。在糖脂部分带有第三种与碳水化合物相连脂肪酸的脂磷壁酸代表了一个新的亚类。
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