| Effect of cadmium on lipid composition of pepper. | |
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MedLine Citation:
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PMID: 11171253 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Seedlings (2 weeks old) of pepper (Capsicum annum) were grown in nutrient solution with added CdCl(2) (10 or 50 microM) for 7 days. In Cd-treated plants, changes in acyl lipids and fatty acid composition were investigated. Cd particularly lowered the amount of monogalactosyldiacylglycerol (MGDG) and enhanced accumulation of phospholipids [phosphatidylcholine (PC), phosphatidylethanolamine and phosphatidylglycerol] in leaves. In contrast, content of PC and galactolipids (MGDG and digalactosyldiacylglycerol) decreased in roots. Fatty acid composition of leaves was also changed by Cd addition to external medium, but no important changes occurred in roots. Levels of leaf polyunsaturated fatty acids, especially 18:3 and 16:3, were reduced. Lipid and fatty acid composition changes in roots are discussed in relation to Cd tolerance in pepper. |
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Authors:
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F Jemal; M Zarrouk; M H Ghorbal |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Biochemical Society transactions Volume: 28 ISSN: 0300-5127 ISO Abbreviation: Biochem. Soc. Trans. Publication Date: 2000 Dec |
Date Detail:
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Created Date: 2001-02-26 Completed Date: 2001-05-31 Revised Date: 2005-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7506897 Medline TA: Biochem Soc Trans Country: England |
Other Details:
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Languages: eng Pagination: 907-10 Citation Subset: IM |
Affiliation:
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Laboratoire de Physiologie Végétale, Département des Sciences Biologiques, Faculté des Sciences, 1060 Tunis, Tunisia. jemal@planet.tn |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cadmium Chloride
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pharmacology* Capsicum / drug effects, physiology* Catalase / metabolism Diglycerides / metabolism Fatty Acids / analysis, metabolism Galactolipids* Glutathione / metabolism Glutathione Disulfide / metabolism Glycolipids / metabolism Hydroponics Lipid Metabolism* Lipid Peroxidation / drug effects Peroxidase / metabolism Phosphatidylcholines / metabolism Phosphatidylethanolamines / metabolism Phosphatidylglycerols / metabolism Phospholipids / metabolism* Plant Leaves / metabolism Plant Roots / metabolism Plants, Medicinal* Time Factors |
| Chemical | |
Reg. No./Substance:
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0/Diglycerides; 0/Fatty Acids; 0/Galactolipids; 0/Glycolipids; 0/Phosphatidylcholines; 0/Phosphatidylethanolamines; 0/Phosphatidylglycerols; 0/Phospholipids; 0/monogalactosyldiacylglycerol; 10108-64-2/Cadmium Chloride; 27025-41-8/Glutathione Disulfide; 70-18-8/Glutathione; EC 1.11.1.-/guaiacol peroxidase; EC 1.11.1.6/Catalase; EC 1.11.1.7/Peroxidase |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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