Age dynamics of lipid status of juveniles of Atlantic Salmon (Salmo salar L.) from the Varzuga River

被引：0

作者：

Pavlov D.S. ^{[1
]}

Nefedova Z.A. ^{[2
]}

Veselov A.E. ^{[2
]}

Nemova N.N. ^{[2
]}

Ruokolainen T.R. ^{[2
]}

Vasil'eva O.B. ^{[2
]}

Ripatti P.O. ^{[2
]}

机构：

[1] Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 119071

[2] Institute of Biology, Karelian Research Center, Russian Academy of Sciences, Petrozavodsk, 185910

来源：

Journal of Ichthyology | 2009年 / 49卷 / 11期

基金：

俄罗斯基础研究基金会;

关键词：

Atlantic salmon; Individual variability; Juveniles; Lipid status; Phenotypic groups;

D O I：

10.1134/S003294520911006X

中图分类号：

学科分类号：

摘要：

Heterogeneity of zero class (0+) of Atlantic Salmon Salmo salar from the compared biotopes of the Varzuga R. (the Kola Peninsula) is revealed by the content of TAG, PL, 18:2n-6,18:3n-3, the sum of monoenoic FA, and parameters of CS/PL and TAG/PL retained in elder age groups of parr (1+ and 2+). It depends on the quality of food resources and hydrological conditions. The increase in the level of PS, one of the principal regulators of activity of Na+/K+-ATPase-a key enzyme of osmoregulation-in parrs 1+ and, to a greater extent, in smolts is supposed to be the formation of one of the biochemical mechanisms of preadaptation of fish to a marine environment. Salmon juveniles 3+ differ from the fish of junior age groups in a higher content of PUFA (20:4n-6, 20:5n-3, 22:6n-3), a considerable decrease in TAG, in parameter TAG/PL, and the sum of monoenoic FA related to smoltification and preparation for life in a marine environment. Multidirectional variations of concentrations of minor phospholipids (PI, LPC, SPM) in salmon juveniles depending on age and habitat may indicate the change in viscosity of biomembranes and, accordingly, of activity of some enzymes bound with membranes. © Pleiades Publishing, Ltd., 2009.

引用

页码：1073 / 1080

页数：7

共 38 条

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