| Effects of galactose, mannitol, glucose and alpha-methyl-D-glucoside on the incorporation of 32P-inorganic phosphate into phospholipids in Hymenolepis diminuta (Cestoda). | |
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MedLine Citation:
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PMID: 2513354 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In the presence of glucose and galactose, the incorporation of radioactive inorganic phosphate (32Pi) into phosphatidylcholine of Hymenolepis diminuta was significantly lowered as compared to the control, whereas other phospholipids remained unaffected. alpha-methyl-D-glucoside, however, significantly lowered the amount of 32Pi incorporated into phosphatidylcholine, phosphatidylinositol, phosphatidylethanolamine and phosphatidic acid. Mannitol did not have any effect on the incorporation of 32Pi into the phospholipids of H. diminuta. The effect of glucose and alpha-methylglucoside on phospholipid metabolism was both time and concentration dependent. The inorganic, organic, total and phosphatidylcholine-bound phosphate of H. diminuta in the presence of various substrates were not significantly different from the control values under all incubation conditions. The results indicate that the observations made in the presence of external glucose, galactose and alpha-methylglucoside were due to their physical interaction with the transport mechanism in the tegumental membrane of H. diminuta and also their being subsequently metabolized in the cases of the former two hexoses. |
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Authors:
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Y K Ip; M M Khan |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of helminthology Volume: 63 ISSN: 0022-149X ISO Abbreviation: J. Helminthol. Publication Date: 1989 Dec |
Date Detail:
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Created Date: 1990-02-06 Completed Date: 1990-02-06 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 2985115R Medline TA: J Helminthol Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 338-48 Citation Subset: IM |
Affiliation:
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Department of Zoology, National University of Singapore, Kent Ridge. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Galactose / metabolism Glucose / metabolism Hymenolepis / metabolism* Isotope Labeling Mannitol / metabolism Methylglucosides / metabolism Phosphates / metabolism* Phospholipids / metabolism* Phosphorus Radioisotopes |
| Chemical | |
Reg. No./Substance:
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0/Methylglucosides; 0/Phosphates; 0/Phospholipids; 0/Phosphorus Radioisotopes; 25360-07-0/methylglucoside; 26566-61-0/Galactose; 50-99-7/Glucose; 69-65-8/Mannitol |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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