Manipulating Membrane Fatty Acid Compositions of Soybean Plants
A system for altering the membrane fatty acid composition of cultured soybean cells by adding Tween-fatty acid esters to their growth medium has been recently described (4). Cells transferred large amounts of fatty acids from Tweens to all acylated lipids detected, resulting in major changes in membrane fatty acid composition. However, although this system seemed useful for a variety of studies related to membrane and lipid metabolism, its usefulness was limited by the requirement to work with cultured cells. This paper reports that Tween-fatty acid esters may also be used to modify the membrane fatty acid compositions of whole plants. Exogenous fatty acids supplied as Tweens were incorporated into membranes of both the tissues to which they were applied, and tissues elsewhere in the plant.
KeywordsMembrane Lipid Nutrient Solution Fatty Acid Ester Soybean Plant Primary Leaf
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