Further specific triglycosyl phenol phthiocerol diester from Mycobacterium tuberculosis.
Mono- and two-dimensional 1H-NMR allowed the structural elucidation of a glycolipid belonging to the phenolic mycosides series: 2,3,4-tri-0-methyl fucopyranosyl (alpha 1----3) rhamnopyranosyl (alpha 1----3) rhamnopyranosyl (alpha 1----dimycocerosyl) phenol phthiocerol. It shares with the major phenolic glycolipid the two terminal sugar residues, suggesting its potential antigenicity. The glycolipid may also represent an intermediate in the biosynthesis of the major one.
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Centre de Recherche de Biochimie et Génétique Cellulaires du CNRS, Université Paul Sabatier, Toulouse, France.
D000107:Acetylation; D002241:Carbohydrates / Q000032:analysis; D002849:Chromatography, Gas; D005227:Fatty Acids / Q000032:analysis; D006017:Glycolipids / Q000032:analysis*; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D009169:Mycobacterium tuberculosis / Q000032:analysis*; D010636:Phenols; D013055:Spectrophotometry, Infrared; D014312:Trisaccharides / Q000032:analysis*
D002241:Carbohydrates; D005227:Fatty Acids; D006017:Glycolipids; D010636:Phenols; D014312:Trisaccharides