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2,4-D antagonizes IAA-induced leaf epinasty
It is known that IAA induces epinastic curvature in tobacco leaf strips via an ethylene-independent mechanism. Kawano et al. (pp. 465-471) show that the synthetic auxin 2,4-D antagonizes IAA-induced leaf curvature. Kinetic analysis reveals that the mode of this interaction comprises uncompetitive and/or non-competitive inhibition.
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