Characterization of a glycophospholipid of Streptococcus pyogenes-derived L-form. 1985

O Okabe, and H Hayashi, and Y Hirai, and R Kariyama, and Y Kanemasa

A glycophospholipid was detected as a major lipid in the L-form derived from Streptococcus pyogenes. The glycophospholipid was purified and chemically analyzed. From its phosphorus:glucose:glycerol molar ratio of 1:2:2 and mass spectrum, the deacylated glycophospholipid was identified as glycerophosphoryldiglucosylglycerol. This structural assignment was confirmed by thin layer chromatography of the lipid itself, which comigrated with known phosphatidyldiglucosyldiglyceride from S. faecalis. A possible mechanism for biosynthesis of the glycophospholipid in the L-form that invokes known biosynthetic processes involved in glycophospholipid metabolism in related bacteria is proposed.

UI MeSH Term Description Entries
D007740 L Forms Bacterial variants, unable to form a complete cell wall, which are formed in cultures by various bacteria; granules (L bodies) appear, unite, and grow into amorphous bodies which multiply and give rise to bacterial cells morphologically indistinguishable from the parent strain.
D002854 Chromatography, Paper An analytical technique for resolution of a chemical mixture into its component compounds. Compounds are separated on an adsorbent paper (stationary phase) by their varied degree of solubility/mobility in the eluting solvent (mobile phase). Paper Chromatography,Chromatographies, Paper,Paper Chromatographies
D002855 Chromatography, Thin Layer Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Chromatography, Thin-Layer,Thin Layer Chromatography,Chromatographies, Thin Layer,Chromatographies, Thin-Layer,Thin Layer Chromatographies,Thin-Layer Chromatographies,Thin-Layer Chromatography
D006017 Glycolipids Any compound containing one or more monosaccharide residues bound by a glycosidic linkage to a hydrophobic moiety such as an acylglycerol (see GLYCERIDES), a sphingoid, a ceramide (CERAMIDES) (N-acylsphingoid) or a prenyl phosphate. (From IUPAC's webpage) Glycolipid
D013058 Mass Spectrometry An analytical method used in determining the identity of a chemical based on its mass using mass analyzers/mass spectrometers. Mass Spectroscopy,Spectrometry, Mass,Spectroscopy, Mass,Spectrum Analysis, Mass,Analysis, Mass Spectrum,Mass Spectrum Analysis,Analyses, Mass Spectrum,Mass Spectrum Analyses,Spectrum Analyses, Mass
D013297 Streptococcus pyogenes A species of gram-positive, coccoid bacteria isolated from skin lesions, blood, inflammatory exudates, and the upper respiratory tract of humans. It is a group A hemolytic Streptococcus that can cause SCARLET FEVER and RHEUMATIC FEVER. Flesh-Eating Bacteria,Streptococcus Group A,Bacteria, Flesh-Eating

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