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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Incorporation and metabolism of fatty acids by desaturation and elongation in the nematode, Panagrellus redivivus
Author(s): Schlechtriem, Christian
Tocher, Douglas R
Dick, James R
Becker, Klaus
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Keywords: Panagrellus redivivus
Fatty acid composition
mass production
Live food
Fish oils
Lipids in nutrition
Fishes Nutrition
Issue Date: Nov-2004
Date Deposited: 14-Apr-2011
Citation: Schlechtriem C, Tocher DR, Dick JR & Becker K (2004) Incorporation and metabolism of fatty acids by desaturation and elongation in the nematode, Panagrellus redivivus. Nematology, 6 (6), pp. 783-795.;
Abstract: The free-living nematode Panagrellus redivivus can be mass produced in monoxenic solid culture on Saccharomyces cerevisiae and therefore could be useful as a live food for marine fish or crustacean larvae in the rapidly expanding aquaculture industry. However, this will depend on their lipid and fatty acid composition and so this was investigated in mass produced P. redivivus grown on S. cerevisiae in three different media. Live nematodes were also incubated with [1-14C]-labelled fatty acids and their desaturation and elongation determined. The combined results from the growth trials on different media and the metabolic studies with labelled fatty acids indicated the presence of Δ9, Δ12, Δ6 and Δ5 fatty acid desaturase activities, and elongase activities active towards C18, C16 and shorter chain fatty acids. The presence of Δ15, and therefore the ability to produce n-3 polyunsaturated fatty acids, was suggested by the compositional data, but could not be conclusively established from metabolic studies.
DOI Link: 10.1163/1568541044038560
Rights: Published in Nematology. Copyright: © 2004 Brill.; Rights on website: "Journal articles and multi-authored book articles • A Brill author may post the post-print version of his or her article that appeared in a journal or multi-authored book volume on his or her own personal websites free of charge. This means the article can be shown exactly as it appears in print. • The institute employing the author may post the post-refereed, but pre-print version of that article free of charge on its website. The post-refereed, pre-print version means the version which contains all adaptations made after peer reviewing. The publisher’s lay-out must not be used."

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