Abstract
Changes in the ethanolamine pool of the embryonic axes of pea seeds exposed to different temperatures during imbibition and germination were followed. The ethanolamine pool decreased except during imbibition at 25°. Label from ethanolamine was incorporated almost entirely into phosphatidylethanolamine with incorporation into phosphatidylcholine being observed only after imbibition and germination at 25°. The incorporation of ethanolamine was apparently less sensitive to temperature than that of choline and glycerol, previously reported. Preliminary results also show an effect of the imbibition temperature on some of the membrane proteins, but most did not seem to be affected.
Published Version
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