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Influence of dietary fatty acids on muscle fatty acid composition and expression levels of Δ6 desaturase-like and Elovl5-like elongase in common carp (Cyprinus carpio var. Jian).
MedLine Citation:
PMID:  22677415     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The effects of dietary fatty acids on muscle fatty acid composition and liver expression levels of Δ6 desaturase-like and Elovl5-like elongase were investigated in common carp (Cyprinus carpio var. Jian). Two Δ6 desaturase-like cDNAs (Fad6-a and Fad6-b) and two Elovl5-like elongase (Elovl5-a and Elovl5-b) cDNAs were cloned. Juvenile carp were fed three semi-purified diets (D1-3) for 6weeks with different lipid source: D1, fish oil with high highly unsaturated fatty acids (HUFAs); D2, corn oil with high linoleic acid (LA), but no HUFAs; and D3, linseed oil with high α-linolenic acid (LNA), but no HUFAs. Comparing muscle fatty acids among fish fed D1-3, the content of LA and arachidonic acid (AA) in common carp fed D2 and the content of LNA, EPA and DHA in common carp fed D3 were higher than initial levels (P<0.05), respectively. The liver transcript levels of Fad6-a and Elovl5-a in fish fed D2 and D3 were higher than initial levels (P<0.05), but Fad6-b and Elovl5-b levels were seldom affected by the diets. The dietary fatty acids affect the muscle fatty acid composition and the liver Fad6-a and Elovl5-a gene expression levels in common carp, and further studies should be undertaken.
Authors:
Hong-Tao Ren; Ju-Hua Yu; Pao Xu; Yong-Kai Tang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-4
Journal Detail:
Title:  Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology     Volume:  -     ISSN:  1879-1107     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9516061     Medline TA:  Comp Biochem Physiol B Biochem Mol Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Inc.
Affiliation:
Wuxi Fishery College, Nanjing Agricultural University, Wuxi 214081, China; Animal Science and Technology College, Henan University of Science and Technology, Luoyang 471003, China.
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