Dynamics of fatty acid composition of total lipids during embryonic development of atlantic salmon Salmo salar L.

被引:0
|
作者
S. A. Murzina
Z. A. Nefedova
P. O. Ripatti
N. N. Nemova
L. V. Markova
机构
[1] Russian Academy of Sciences,Institute of Biology, Karelian Research Center
来源
Russian Journal of Developmental Biology | 2012年 / 43卷
关键词
freshwater salmon; embryonic development; lipids; fatty acids;
D O I
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中图分类号
学科分类号
摘要
Dynamics of fatty acid composition of total lipids was studied for freshwater salmon Salmo salar L. during its embryonic development from blastula (3 hours) up to hatching (108 days) as well as in unfertilized eggs. Stable amount of total and some saturated, monounsaturated and polyunsaturated fatty acids (PUFA) of total lipids was observed during embryonic development. Considerable changes in fatty acid composition were observed at the stage of prelarvae hatching, i.e., significant decrease of (n-6) PUFA (18:2(n-6) and 20:4(n-6)) and (n-3) PUFA and increase of total and some saturated and monounsaturated fatty acids was registered. Change in saturation ratio of membrane lipids justifies the presence of the biochemical mechanism forwarded on regulation of cell membrane enzymes in accordance with the changes of internal physiological processes taking place in the organism and fluctuations of external environmental conditions or the preparation period (as reproduction). Data on peculiarities of transformation and utilization of fatty acids during salmon embryonic development may be used for understanding of their functional role in the developing organism as well as for assessing the quality of the caviar.
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页码:131 / 136
页数:5
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