PMID: 25775862Mar 18, 2015Paper

Fatty acid composition of phospholipids of erythrocytes of lamprey, frog, rat, and absorption spectra of their lipid extracts

Zhurnal evoliutsionnoĭ biokhimii i fiziologii
S A ZabelinskiĭA I Krivchenko

Abstract

The work deals with study of content and fatty acid composition of phospholipids as well as of absorption spectra of lipid extracts of blood erythrocytes poikilothermal and homoiothermal animals of different evolutionary levels. Objects of study were poikilothermal lamprey (Lampetra fluviatilis) consuming oxygen from water and the common frog (Rana temporatia) consuming it both from water and from air. Homoiothermal animals were white rats (Rattus rattus) inhabiting in the air medium. The animals were studied at the winter-spring periods. There was established the twofold predominance of the phospholipid content in the lamprey plasma as compared with erythrocytes. In frog and rat the reverse ratio was observed. Based on study of the fatty acid composition of erythrocyte phospholipids it is suggested the higher density of membranes of lamprey as compared with frog membranes. As to fatty acides of the rat blood erythrocytic fraction, they turned out to be less diverse, with almost twofold predominance of saturated over unsaturated acids and not containing the long-chained (C22) Ω3 acids. All this leads to the low unsaturation index and, accordingly, to a dense packing of fatty acids in membrane structures of rat erythrocytes. Mec...Continue Reading

References

Jun 27, 1984·Biochimica Et Biophysica Acta·J A Dix, A K Solomon
May 1, 1995·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·S A ZabelinskiiA I Krivchenko
Dec 22, 1962·Nature·B PULLMAN, A PULLMAN
Dec 4, 2003·Biochemical Society Transactions·M O PereverzevV P Skulachev
Aug 2, 2008·Zhurnal evoliutsionnoĭ biokhimii i fiziologii·S A ZabelinskiĭA I Krivchenko
May 10, 2012·Zhurnal evoliutsionnoĭ biokhimii i fiziologii·Iu A SilkinS A Zabelinskiĭ

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