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Phospholipid composition of hibernating ground squirrel (Citellus lateralis) kidney and low-temperature membrane
1Department of Anesthesiology, Loma Linda University, School of Medicine, CA 92354.
Abstract:
1. Phospholipid analysis of kidney lipids from active and hibernating ground squirrels (Citellus lateralis) indicate that molar quantities of phosphatidyl choline increase, while sphingomyelin decreases in hibernating animals. 2. Both of these changes are in such a direction as to enhance membrane fluidity and possibly contribute to low-temperature membrane function in these organisms.