Palmitic acid and its role in the structure and functions of plant cell membranes

Palmitic acid and its role in the structure and functions of plant cell membranes The content of palmitic acid (PA) in the fractions of plant lipids of different polarity were investigated. The following relationship was revealed: when polarity of lipid fraction rose, the content of PA in total fatty acids of this fraction increased. It was shown that in a number of consecutive extracts of total lipids isolated from plant tissue with the same solvent each next extract containing more tightly bound lipids carries more PA. Predominance of this fatty acid within high-polar lipids that may be compared to annular lipids and are indispensable for operation of numerous enzymatic systems are discussed. A considerable quantity of PA was shown in wheat mitochondrial membranes; under cold stress, its level rose even higher. Among phospholipids, the greatest content of PA is usually associated with phosphatidyl inositols, while that among glycolipids is with sulfoquinovosyl diacylglycerols. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Palmitic acid and its role in the structure and functions of plant cell membranes

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443715050192
Publisher site
See Article on Publisher Site

Abstract

The content of palmitic acid (PA) in the fractions of plant lipids of different polarity were investigated. The following relationship was revealed: when polarity of lipid fraction rose, the content of PA in total fatty acids of this fraction increased. It was shown that in a number of consecutive extracts of total lipids isolated from plant tissue with the same solvent each next extract containing more tightly bound lipids carries more PA. Predominance of this fatty acid within high-polar lipids that may be compared to annular lipids and are indispensable for operation of numerous enzymatic systems are discussed. A considerable quantity of PA was shown in wheat mitochondrial membranes; under cold stress, its level rose even higher. Among phospholipids, the greatest content of PA is usually associated with phosphatidyl inositols, while that among glycolipids is with sulfoquinovosyl diacylglycerols.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Aug 14, 2015

References

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