Hexadecylpalmitoyglycerol or ceramide is linked to similar glycophosphoinositol anchor‐like structures in Trypanosoma cruzi
The lipopeptidophosphoglycan from Trypanosoma cruzi is a glycosylated inositol‐phosphoceramide isolated from epimastigotes at the stationary phase of growth (4–5 days). We have now purified two similar glycoinositolphospholipids (glycoinositolphospholipid A and glycoinositolphospholipid B) from epim...
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1993
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00142956_v218_n3_p929_DeLederkremer http://hdl.handle.net/20.500.12110/paper_00142956_v218_n3_p929_DeLederkremer |
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paper:paper_00142956_v218_n3_p929_DeLederkremer2023-06-08T14:36:42Z Hexadecylpalmitoyglycerol or ceramide is linked to similar glycophosphoinositol anchor‐like structures in Trypanosoma cruzi Muchnik de Lederkremer, Rosa María Ramírez, María Isabel ceramide glycoinositolphospholipid glycophospoinositol phospholipase c unclassified drug article epimastigote nonhuman priority journal trypanosoma cruzi Animal Carbohydrate Sequence Ceramides Chromatography, Gas Glyceryl Ethers Glycosylation Glycosylphosphatidylinositols Lipids Methylation Molecular Sequence Data Palmitates Polysaccharides Spectrum Analysis, Mass Support, Non-U.S. Gov't Trypanosoma cruzi Bacillus thuringiensis Trypanosoma Trypanosoma cruzi The lipopeptidophosphoglycan from Trypanosoma cruzi is a glycosylated inositol‐phosphoceramide isolated from epimastigotes at the stationary phase of growth (4–5 days). We have now purified two similar glycoinositolphospholipids (glycoinositolphospholipid A and glycoinositolphospholipid B) from epimastigotes after the second day of culture growth. [3H]Palmitic acid was incorporated into 1‐O‐hexadecyl‐2‐O‐palmitoylglycerol in glycoinositolphospholipid A and into ceramide in glycoinositolphospholipid B. The lipids were released by incubation with glycosylphosphatidylinositol‐specific phospholipase C from Bacillus thuringiensis or by chemical methods. After alkaline hydrolysis, the lipids were analysed by GLC/MS. In glycoinositolphospholipid A the resulting lipids corresponded to 1‐O‐hexadecylglycerol and palmitic acid. The ceramide components in glycoinositolphospholipid B are sphinganine, palmitic acid and lignoceric acid. The oligosaccharides could be degraded by nitrous acid and further enzymic treatment showed that the two glycoinositolphospholipids isolated from T. cruzi share the common core structure of the glycosylphosphatidylinositol membrane anchors. The microheterogeneity was determined, as well as the substitution by galactose, and was mainly in the furanose configuration as was previously described for lipopeptidophosphoglycan. However, methylation analysis indicated that 20% of the galactose is in the pyranose from. Both glycoinositolphospholipids mainly differ in the lipid moiety. Copyright © 1993, Wiley Blackwell. All rights reserved Fil:De Lederkremer, R.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Ramirez, M.I. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1993 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00142956_v218_n3_p929_DeLederkremer http://hdl.handle.net/20.500.12110/paper_00142956_v218_n3_p929_DeLederkremer |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
ceramide glycoinositolphospholipid glycophospoinositol phospholipase c unclassified drug article epimastigote nonhuman priority journal trypanosoma cruzi Animal Carbohydrate Sequence Ceramides Chromatography, Gas Glyceryl Ethers Glycosylation Glycosylphosphatidylinositols Lipids Methylation Molecular Sequence Data Palmitates Polysaccharides Spectrum Analysis, Mass Support, Non-U.S. Gov't Trypanosoma cruzi Bacillus thuringiensis Trypanosoma Trypanosoma cruzi |
| spellingShingle |
ceramide glycoinositolphospholipid glycophospoinositol phospholipase c unclassified drug article epimastigote nonhuman priority journal trypanosoma cruzi Animal Carbohydrate Sequence Ceramides Chromatography, Gas Glyceryl Ethers Glycosylation Glycosylphosphatidylinositols Lipids Methylation Molecular Sequence Data Palmitates Polysaccharides Spectrum Analysis, Mass Support, Non-U.S. Gov't Trypanosoma cruzi Bacillus thuringiensis Trypanosoma Trypanosoma cruzi Muchnik de Lederkremer, Rosa María Ramírez, María Isabel Hexadecylpalmitoyglycerol or ceramide is linked to similar glycophosphoinositol anchor‐like structures in Trypanosoma cruzi |
| topic_facet |
ceramide glycoinositolphospholipid glycophospoinositol phospholipase c unclassified drug article epimastigote nonhuman priority journal trypanosoma cruzi Animal Carbohydrate Sequence Ceramides Chromatography, Gas Glyceryl Ethers Glycosylation Glycosylphosphatidylinositols Lipids Methylation Molecular Sequence Data Palmitates Polysaccharides Spectrum Analysis, Mass Support, Non-U.S. Gov't Trypanosoma cruzi Bacillus thuringiensis Trypanosoma Trypanosoma cruzi |
| description |
The lipopeptidophosphoglycan from Trypanosoma cruzi is a glycosylated inositol‐phosphoceramide isolated from epimastigotes at the stationary phase of growth (4–5 days). We have now purified two similar glycoinositolphospholipids (glycoinositolphospholipid A and glycoinositolphospholipid B) from epimastigotes after the second day of culture growth. [3H]Palmitic acid was incorporated into 1‐O‐hexadecyl‐2‐O‐palmitoylglycerol in glycoinositolphospholipid A and into ceramide in glycoinositolphospholipid B. The lipids were released by incubation with glycosylphosphatidylinositol‐specific phospholipase C from Bacillus thuringiensis or by chemical methods. After alkaline hydrolysis, the lipids were analysed by GLC/MS. In glycoinositolphospholipid A the resulting lipids corresponded to 1‐O‐hexadecylglycerol and palmitic acid. The ceramide components in glycoinositolphospholipid B are sphinganine, palmitic acid and lignoceric acid. The oligosaccharides could be degraded by nitrous acid and further enzymic treatment showed that the two glycoinositolphospholipids isolated from T. cruzi share the common core structure of the glycosylphosphatidylinositol membrane anchors. The microheterogeneity was determined, as well as the substitution by galactose, and was mainly in the furanose configuration as was previously described for lipopeptidophosphoglycan. However, methylation analysis indicated that 20% of the galactose is in the pyranose from. Both glycoinositolphospholipids mainly differ in the lipid moiety. Copyright © 1993, Wiley Blackwell. All rights reserved |
| author |
Muchnik de Lederkremer, Rosa María Ramírez, María Isabel |
| author_facet |
Muchnik de Lederkremer, Rosa María Ramírez, María Isabel |
| author_sort |
Muchnik de Lederkremer, Rosa María |
| title |
Hexadecylpalmitoyglycerol or ceramide is linked to similar glycophosphoinositol anchor‐like structures in Trypanosoma cruzi |
| title_short |
Hexadecylpalmitoyglycerol or ceramide is linked to similar glycophosphoinositol anchor‐like structures in Trypanosoma cruzi |
| title_full |
Hexadecylpalmitoyglycerol or ceramide is linked to similar glycophosphoinositol anchor‐like structures in Trypanosoma cruzi |
| title_fullStr |
Hexadecylpalmitoyglycerol or ceramide is linked to similar glycophosphoinositol anchor‐like structures in Trypanosoma cruzi |
| title_full_unstemmed |
Hexadecylpalmitoyglycerol or ceramide is linked to similar glycophosphoinositol anchor‐like structures in Trypanosoma cruzi |
| title_sort |
hexadecylpalmitoyglycerol or ceramide is linked to similar glycophosphoinositol anchor‐like structures in trypanosoma cruzi |
| publishDate |
1993 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00142956_v218_n3_p929_DeLederkremer http://hdl.handle.net/20.500.12110/paper_00142956_v218_n3_p929_DeLederkremer |
| work_keys_str_mv |
AT muchnikdelederkremerrosamaria hexadecylpalmitoyglycerolorceramideislinkedtosimilarglycophosphoinositolanchorlikestructuresintrypanosomacruzi AT ramirezmariaisabel hexadecylpalmitoyglycerolorceramideislinkedtosimilarglycophosphoinositolanchorlikestructuresintrypanosomacruzi |
| _version_ |
1768546522510655488 |