| Phospholipids of the differentiating species of Tetrahymena. | |
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MedLine Citation:
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PMID: 16441574 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The whole-cell phospholipid composition of the six known polymorphic species of Tetrahymena has been examined by [(3)H]acetate and [(3)H]myristic acid radiolabeling, and by gas-liquid chromatography of total phospholipid-bound fatty acids. Five of the polymorphic species contained similar phospholipid profiles following radiolabeling in that phosphatidylethanolamine (PE) was the predominant phospholipid; however, in cells of Tetrahymena patula LFF, aminoethylphosphonolipid was present in amounts nearly equal to PE. Tetrahymena patula LFF contained an unusually large percentage of sphingolipid (16.2% by [(3)H]acetate radiolabeling). Substantial differences were found in the fatty acid profiles of the polymorphic species, which included the degree of fatty acid unsaturation and relative weight percentages of odd-chain fatty acids. Tetrahymena vorax contained a low ratio of unsaturated C(18) fatty acids to saturated C(18) fatty acids as compared with all other species examined. The differentiating species generally contained a lesser percentage of monoenoic fatty acids and a lower ratio of unsaturated C(16) fatty acids to saturated C(16) fatty acids as compared with the two monomorphic species examined. |
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Authors:
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Alexander J Burdette; Alyssa B Maki; James K Sanstead; Bridget M Riggs; Phillip E Ryals |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural |
Journal Detail:
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Title: The Journal of eukaryotic microbiology Volume: 53 ISSN: 1066-5234 ISO Abbreviation: J. Eukaryot. Microbiol. Publication Date: 2006 Jan-Feb |
Date Detail:
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Created Date: 2006-01-30 Completed Date: 2006-05-22 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 9306405 Medline TA: J Eukaryot Microbiol Country: United States |
Other Details:
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Languages: eng Pagination: 12-5 Citation Subset: IM |
Affiliation:
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Department of Biology, University of West Florida, Pensacola, Florida 32514. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acetates
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metabolism Animals Fatty Acids / analysis Myristic Acid / metabolism Phospholipids / analysis* Tetrahymena / chemistry*, classification* Tritium / metabolism |
| Grant Support | |
ID/Acronym/Agency:
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R15GM62126-01A/GM/NIGMS NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Acetates; 0/Fatty Acids; 0/Phospholipids; 10028-17-8/Tritium; 544-63-8/Myristic Acid |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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