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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yergey, Alfred Ben-menachem, Gil Schneerson, Rachel Kubler-kielb, Joanna Coxon, Bruce |
| Description | Author Affiliation: Ben-Menachem G ( Laboratory of Developmental and Molecular Immunity, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA. gilben@nih.gov); |
| Abstract | Two major glycolipids, which comprise approximately 36% of the total lipid mass from Borrelia burgdorferi, the etiological agent of Lyme disease, were investigated. We determined the fatty acid type, sugar identity, anomeric configuration, and substituent type and position. The structures were identified as cholesteryl 6-O-acyl-beta-d-galactopyranoside (B. burgdorferi glycolipid 1, BbGL-I), and 1,2-di-O-acyl-3-O-alpha-d-galactopyranosyl-sn-glycerol (BbGL-II). The major fatty acids were palmitate and oleate. The structures were corroborated by gas-liquid chromatography MS, matrix-assisted laser desorption/ionization time-of-flight spectroscopy, fast atom bombardment MS, detailed NMR spectrometry, and metabolic labeling. This is a previously undescribed demonstration of a cholesteryl galactoside in bacteria. Lipopolysaccharide was not detected in B. burgdorferi. The two glycolipids have several properties suggesting they may function as lipopolysaccharide: both are main components of the bacterial membrane, surface exposed, and have a three-domain structure. BbGL-I elicited specific antibodies in mice and rabbits, and BbGL-II elicited antibodies that reacted with both glycolipids. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 13 |
| Volume Number | 100 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2003-06-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Borrelia Burgdorferi Metabolism Cholesterol Chemistry Galactosides Glycolipids Saponins Animals Carbohydrate Sequence Chromatography, Gas Chromatography, Liquid Chromatography, Thin Layer Enzyme-Linked Immunosorbent Assay Galactose Glycerol Lipid Metabolism Lipopolysaccharides Magnetic Resonance Spectroscopy Methylation Mice Models, Chemical Molecular Sequence Data Oleic Acid Palmitates Protein Structure, Tertiary Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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