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  • Title: [Ratio and composition of the plasmalogen and diacylated forms of phospholipids in subcellular fractions of the avian brain].
    Author: Kruglova EE.
    Journal: Zh Evol Biokhim Fiziol; 1988; 24(1):21-7. PubMed ID: 3376631.
    Abstract:
    Studies have been made on the specific content of plasmalogen and diacylated forms of phosphatidylethanolamine and phosphatidylcholine in subcellular fractions (myelin, nuclei, microsomes, mitochondria, synaptosomes) from the brain of pigeons, as well as in the myelin fraction from the brain of the crow Corvus cornix and the hawk Accipiter gentelis. Fatty acid composition and fatty aldehyde composition of these two main phospholipids of the brain were studied in the subcellular fractions obtained. It was shown that plasmalogen forms of phospholipids are localized in birds mainly in the myelin fraction which exhibits the highest plasmalogen concentration as compared to the same fraction of all the vertebrates investigated. With respect to fatty acid and fatty aldehyde composition, as well as to the degree of their unsaturation, myelin plasmalogens from birds are similar to those from other cold-blooded and warm-blooded animals. This fact indicates that high relative content of plasmalogens together with their high unsaturation account for normal functional activity of myelin membranes in all vertebrates.
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