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- Title
The influence of a weak horizontal permanent magnetic field on the composition and content of lipids in lettuce leaves.
- Authors
Novitskii, Yu.; Novitskaya, G.; Molokanov, D.; Serdyukov, Yu.; Yusupova, I.
- Abstract
The lipid composition and content were analyzed in lettuce Lactica sativa L. (variety Stone head) leaves grown in a weak horizontal permanent magnetic field (PMF) produced by Helmholtz coils of 400 A/m strength under controlled conditions of illumination and temperature in phytothrone. Control plants were grown under the same conditions in a geomagnetic field. PMF decreased the total lipid content by 40% due to a significant decrease in polar and neutral lipids. Among polar lipids, the fractions of glycolipids and phospholipids diminished. Among glycolipids, the content of monogalactosyldiacylglycerols was lower by 25-52%. The content of phospholipids decreased, too, namely phosphatidylglycerols were lower by 17-51%, phosphatidylcholines by 21-24%, phosphatidylethanolamines by 12-20%, and phosphatidylinositols by 12-41%. Therefore, weak PMF reduced the content of lipids in membranes, including the chloroplast, mitochondrial, and cytoplasmic membranes.
- Subjects
COMPOSITION of lettuce; PLANT lipids; MAGNETIC fields; LEAF growth; PHOSPHOLIPIDS; CHLOROPLASTS
- Publication
Biology Bulletin, 2015, Vol 42, Issue 5, p411
- ISSN
1062-3590
- Publication type
Article
- DOI
10.1134/S106235901504010X