Spatial and temporal variation of the fatty acid composition of Patella spp. (Gastropoda : Prosobranchia) soft bodies and gonads
Brazao, Sónia,R., Morais, Sofia J., Boaventura, Diana, Re, Pedro, Narciso, Luís and Hawkins, Stephen J. (2003) Spatial and temporal variation of the fatty acid composition of Patella spp. (Gastropoda : Prosobranchia) soft bodies and gonads. Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, 136, (3), 425-441. (doi:10.1016/S1096-4959(03)00243-4).
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This study evaluated the effects of season and spatial distribution on the fatty acid composition of Patella depressa gonads and Patella spp. soft body tissue. The results show that the quantitatively most important fatty acids were the saturated fatty acids (SFA) 16:0, 14:0 and 18:0; the monounsaturated fatty acids (MUFA) 18: 1 (n-7), 18:1 (n-9), 16:1 (n-7) and 20:1(n-9) and the polyunsaturated fatty acids (PUFA) eicosapentaenoic acid (EPA 20:5(n-3)), and arachidonic acid (ARA 20:4(n-6)). P depressa and P ulyssiponensis soft body fatty acid profiles revealed significant differences between sexes; males showed significantly higher percentages of PUFA, highly unsaturated fatty acids (HUFA), (n-3) fatty acids and ARA, while in females significantly higher proportions of MUFA were found. Analysis of variance on the fatty acid composition of R depressa gonads revealed significant differences between sexes, which were more marked than when the whole body was analysed. Males showed a significantly higher percentage of PUFA, HUFA, fatty acids from the (n-3) and (n-6) series, ARA and EPA, while females were seen to have higher proportions of SFA, MUFA and total fatty acid methyl esters (FAME). Some variability was seen to occur due to shore location and seasons, but these effects were not so obvious
|Keywords:||fatty acid composition, gonads, lipids, molluscs, patella ulyssiponensis, patella depressa, patella rustica, patella vulgata, soft body|
|Subjects:||Q Science > QH Natural history > QH301 Biology|
|Divisions:||University Structure - Pre August 2011 > School of Biological Sciences
University Structure - Pre August 2011 > School of Ocean & Earth Science (SOC/SOES)
|Date Deposited:||08 Aug 2008|
|Last Modified:||27 Mar 2014 18:40|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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