Complex formation between indole-3-acetic acid and phospholipid

William Stillwell , Blair Brengle , Daniel Belcher , Stephen R. Wassall. Phytochemistry 1987 26 ... G.P. Jones , R.K. Starr , L.G. Paleg. Biochimica e...
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Biochemistry 1984, 23, 1525-1532

1525

Complex Formation between Indole-3-acetic Acid and Phospholipid Membrane Components in Aqueous Media. 3. Interaction of Indole-3-acetic Acid with Amphiphiles Containing the Trimethylammonium Group? Graham P. Jones and Leslie G. Paleg*

ABSTRACT: Specific structural aspects of the interaction between the plant hormone indole-3-acetic acid (IAA) and phosphatidylcholine (PC) have been investigated by nuclear magnetic resonance (NMR) techniques. IAA-induced ‘H changes in chemical shift of compounds containing a trimethylammonium group have been monitored. Small IAAinduced changes are observed (