Lipid composition of a plasma membrane enriched fraction of maize zea mays roots

Gronewald, J.W.; Abou Khalil, W.; Weber, E.J.; Hanson, J.B.

Phytochemistry 21(4): 859-862


ISSN/ISBN: 0031-9422
Accession: 005814680

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The lipid composition of a plasma membrane enriched fraction isolated from corn (Z. mays) roots was examined. On a weight basis, the lipid:protein ratio was 1.11. Phospholipids comprised 60% of total lipids; the major phospholipids are phosphatidylcholine (62%) and phosphatidylethanolamine (21%). Free sterol was the major neutral lipid. The sterol:phospholipid molar ratio was 0.31. The fatty acid composition of the membrane was predominantly linoleic (60%) and palmitic (30%).