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The study aims to analyze the lipid composition changes in plasma membranes of winter rye seedlings during cold acclimation.

April 1, 1987PLANT PHYSIOLOGYOpen Access

Plasma Membrane Lipid Alterations Associated with Cold Acclimation of Winter Rye Seedlings (Secale cereale L. cv Puma)

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Randomized trial investigates lipid alterations in rye seedlings during cold acclimation, suggesting significant biochemical adaptations.

The study aims to analyze the lipid composition changes in plasma membranes of winter rye seedlings during cold acclimation.
Isolated plasma membrane fractions from leaves of nonacclimated and acclimated rye seedlings.
Analyzed lipid classes, including free sterols, steryl glucosides, glycolipids, and phospholipids before and after acclimation.
Free sterols increased from 33% to 44% following cold acclimation (P<0.01).
Steryl glucosides decreased from 15% to 6% and glucocerebrosides from 16% to 7% (P<0.05).
Phospholipid content increased from 32% to 42%, with specific di-unsaturated molecular species of phosphatidylcholine and phosphatidylethanolamine rising significantly.

Lynch et al. (1987) studied this question.

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