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dc.contributor.authorGlencross, Bretten_UK
dc.contributor.authorDe Santis, Christianen_UK
dc.contributor.authorBicskei, Beatrixen_UK
dc.contributor.authorTaggart, Johnen_UK
dc.contributor.authorBron, Jamesen_UK
dc.contributor.authorBetancor, Monicaen_UK
dc.contributor.authorTocher, Douglas Ren_UK
dc.description.abstractBackground: The present study aimed to explore the impact of dietary docosahexaenoic acid (DHA) on aspects of the metabolism of Atlantic salmon (Salmo salar). The effects of diets containing increasing levels of DHA (1 g kg−1, 3 g kg−1, 6 g kg−1, 10 g kg−1and 13 g kg−1) on the liver transcriptome of post-smolt salmon was examined to elucidate patterns of gene expression and responses of specific metabolic pathways. Total RNA was isolated from the liver of individual fish and analyzed using a custom gene expression 44K feature Atlantic salmon oligo-microarray.  Results: The expression of up to 911 unique annotated genes was significantly affected by dietary DHA inclusion relative to a low DHA reference diet. Analysis of a total of 797 unique genes were found with a significant linear correlation between expression level and dietary DHA. Gene-Set Enrichment Analysis (GSEA) identified a range of pathways that were significantly affected by dietary DHA content.  Conclusions: Pathways that showed a significant response to dietary DHA level included those for long-chain polyunsaturated fatty acid biosynthesis, fatty acid elongation, steroid biosynthesis, glycan biosynthesis, protein export and protein processing in the endoplasmic reticulum. These findings suggest that in addition to clear roles in influencing lipid metabolic pathways, DHA might also have key functional roles in other pathways distinct from lipid metabolism.en_UK
dc.publisherBioMed Centralen_UK
dc.relationGlencross B, De Santis C, Bicskei B, Taggart J, Bron J, Betancor M & Tocher DR (2015) A comparative analysis of the response of the hepatic transcriptome to dietary docosahexaenoic acid in Atlantic salmon (Salmo salar) post-smolts. BMC Genomics, 16 (1), Art. No.: 684.
dc.rights© 2015 Glencross et al. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated.en_UK
dc.subjectEssential fatty aciden_UK
dc.subjectGene expressionen_UK
dc.subjectAtlantic salmonen_UK
dc.titleA comparative analysis of the response of the hepatic transcriptome to dietary docosahexaenoic acid in Atlantic salmon (Salmo salar) post-smoltsen_UK
dc.typeJournal Articleen_UK
dc.citation.jtitleBMC Genomicsen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationUniversity of Stirlingen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorGlencross, Brett|0000-0003-1167-8530en_UK
local.rioxx.authorDe Santis, Christian|en_UK
local.rioxx.authorBicskei, Beatrix|en_UK
local.rioxx.authorTaggart, John|0000-0002-3843-9663en_UK
local.rioxx.authorBron, James|0000-0003-3544-0519en_UK
local.rioxx.authorBetancor, Monica|0000-0003-1626-7458en_UK
local.rioxx.authorTocher, Douglas R|0000-0002-8603-9410en_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.filenameGlencross et al_BMC Genomics_2015.pdfen_UK
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