来自乳酸葡萄球菌I3的糖脂的结构及可能的功能。
The structure and possible function of the glycolipid from Staphylococcus lactis I3.
作者信息
Brundish D E, Shaw N, Baddiley J
出版信息
Biochem J. 1967 Nov;105(2):885-9. doi: 10.1042/bj1050885.
Abstract
- The total lipid was extracted from Staphylococcus lactis I3 with chloroform-methanol mixtures and the glycolipid component was isolated by chromatography on silicic acid. 2. Saponification yielded a non-crystalline glycoside for which the structure O-beta-d-glucopyranosyl-(1-->6)-O-beta-d-glucopyranosyl-(1-->1)-d-glycerol has been established by chemical degradations and by comparison with synthetic material. 3. The role of the glycosyl diglycerides in bacterial membranes is discussed.
摘要
- 用氯仿 - 甲醇混合物从乳酸链球菌I3中提取总脂质，通过在硅酸上进行色谱分离来分离糖脂成分。2. 皂化反应产生一种非晶态糖苷，通过化学降解并与合成材料比较，确定其结构为O-β - d - 吡喃葡萄糖基 - (1→6) - O-β - d - 吡喃葡萄糖基 - (1→1) - d - 甘油。3. 讨论了糖基二甘油酯在细菌膜中的作用。
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