| Changes in the fatty acid composition of phospholipids in tissues of farmed sea bass (Dicentrarchus labrax) during an annual cycle. Roles of environmental temperature and salinity. | |
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MedLine Citation:
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PMID: 12431395 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We quantified seasonal effects on fatty acid composition of tissue phospholipids in farmed sea bass. Major changes in percent phosphatidylethanolamine and phosphatidylcholine were observed in all tissues between February and March, and the phosphatidylcholine/phosphatidylethanolamine ratio was drastically reduced at this time. Different changes in the fatty acid composition of total phospholipids were observed in all tissues examined. Fish fed all year on the same commercial diet showed a significant correlation between water salinity and percentage of 22:6n-3 in muscle, liver and gill phospholipids, but no correlation was found between percent 22:6n-3 of phospholipids and water temperature. In each tissue, we observed annual variation in the 20:5n-3/20:4n-6 ratio in phospholipids, but maximum and minimum values occurred at different times in each organ. From these results, we conclude that salinity can play a significant role in modulating the activities of enzymes acting on lipid metabolism during their natural circannual cycles. |
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Authors:
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Michel Cordier; Gérard Brichon; Jean-Michel Weber; Georges Zwingelstein |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology Volume: 133 ISSN: 1096-4959 ISO Abbreviation: Comp. Biochem. Physiol. B, Biochem. Mol. Biol. Publication Date: 2002 Nov |
Date Detail:
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Created Date: 2002-11-14 Completed Date: 2003-07-28 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 9516061 Medline TA: Comp Biochem Physiol B Biochem Mol Biol Country: England |
Other Details:
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Languages: eng Pagination: 281-8 Citation Subset: IM |
Copyright Information:
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Copyright 2002 Elsevier Science Inc. |
Affiliation:
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Institut Michel Pacha, Université Claude Bernard, Lyon I, 1137 Corniche Michel Pacha, F83500 La Seyne sur mer, France. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acclimatization Animals Bass / blood, metabolism* Diet Fatty Acids / analysis*, metabolism Gills / chemistry Liver / chemistry Muscle, Skeletal / chemistry Osmolar Concentration Phospholipids / analysis*, metabolism Seasons Seawater / chemistry* Temperature Time |
| Chemical | |
Reg. No./Substance:
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0/Fatty Acids; 0/Phospholipids |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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