Document Detail


Distribution of omega-3 and omega-6 fatty acids in the ether- and ester-linked phosphoglycerides from tissues of the rainbow trout, Salmo gairdneri.
MedLine Citation:
PMID:  2515936     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
1. Data presented here demonstrate that polyunsaturated fatty acids in the phospholipids of rainbow trout tissues are compartmentalized differently than in mammalian tissues. 2. We have determined the distribution of omega-3 (n-3) and omega-6 (n-6) fatty acids in the alkyl-, alk-1-enyl-, and diacyl- subclasses of phosphatidylcholines (PC), phosphatidyl-ethanolamines (PE), phosphatidylinositols (PI), and phosphatidylserines (PS) from gill, kidney and spleen of rainbow trout. 3. Alkyl-linked PC and alk-1-enyl-linked PE were the most abundant ether-containing phospholipids, amounting to 10-15% of each class; no ether-linked PI or PS was detected. 4. C20:4 n-6 was found in high concentrations only in PI; the n-3 fatty acids were found in highest concentration in the ether-linked phospholipids as compared with the diacyl subclasses and C20:5 n-3 was especially prevalent in 1-O-alk-1'-enyl-2-acyl-sn-glycero-3-phosphoethanolamine and C22:6 n-3 was prevalent in PS.
Authors:
M R Turner; S L Leggett; R H Lumb
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Comparative biochemistry and physiology. B, Comparative biochemistry     Volume:  94     ISSN:  0305-0491     ISO Abbreviation:  Comp. Biochem. Physiol., B     Publication Date:  1989  
Date Detail:
Created Date:  1990-03-29     Completed Date:  1990-03-29     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  2984730R     Medline TA:  Comp Biochem Physiol B     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  575-9     Citation Subset:  IM    
Affiliation:
Mountain Aquaculture Research Center, Western Carolina University, Cullowhee, NC 28723.
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MeSH Terms
Descriptor/Qualifier:
Animals
Fatty Acids, Omega-3 / metabolism
Fatty Acids, Omega-6
Fatty Acids, Unsaturated / metabolism*
Gills / metabolism
Glycerophosphates / metabolism
Kidney / metabolism
Phospholipids / metabolism
Plasmalogens / metabolism
Salmonidae / metabolism*
Spleen / metabolism
Tissue Distribution
Trout / metabolism*
Chemical
Reg. No./Substance:
0/Fatty Acids, Omega-3; 0/Fatty Acids, Omega-6; 0/Fatty Acids, Unsaturated; 0/Glycerophosphates; 0/Phospholipids; 0/Plasmalogens; 0/phosphatidal ethanolamines

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