PMID: 22567974May 10, 2012Paper

Peculiarities of the phospholipid and fatty acid composition of erythrocyte plasma membranes of the Black Sea fish

Zhurnal evoliutsionnoĭ biokhimii i fiziologii
Iu A SilkinS A Zabelinskiĭ

Abstract

The phospholipid and the fatty acid composition of the main phospholipids families of erythrocyte plasma membranes was studied in two species of cartilaginous fish: the common thrasher (Raja clavata L.) and the common stingray (Dasyatis pastinaca) and three bony fish species: the scorpion fish (Scorpaena porcus L.), the smarida (Spicara flexuosa Raf.), and the horse mackerel (Trachurus mediterraneus ponticus Aleev). It was shown that in the studied fish, 70.0-80.0 % of all membrane phospholipids were composed of phosphatidylcholine and phosphatidylethanolamine. Phosphatidylserine, monophosphoinositide, and sphingomyelin were minor components whose content in the erythrocyte membrane fluctuated from 3.0 % to 13.0 %. The fatty acid phospholipids composition was represented by a large specter of acids. From saturated acids, basic for plasma membranes are palmitic (C16: 0) and stearic (C18: 0) acids. From unsaturated acids, the larger part belong to mono-, tetra-, penta-, and hexaenoic acids in fish phospholipids. The calculation of the double bond index and of the unsaturation coefficient showed difference in the deformation ability of erythrocyte membranes of the studied fish.

References

Oct 15, 1975·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·E M KrepsS A Zabelinskii
Jan 1, 1976·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·W M DriedzicB I Roots

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Citations

Mar 18, 2015·Zhurnal evoliutsionnoĭ biokhimii i fiziologii·S A ZabelinskiiA I Krivchenko

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