Ethylene Binding and Action in Rice Seedlings |
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| Authors: | Sanders Ian O; Ishizawa Kimiharu; Smith Aileen R; Hall Michael A |
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| Institution: | 1Department of Biological Sciences, University College of Wales Aberystwyth, Dyfed SY23 3DA, Wales, U.K
2Department of Biological Science, Tohoku University Kawauchi, Sendai 980, Japan |
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| Abstract: | The existence of at least two saturable, high affinity bindingsites for ethylene is demonstrated in rice seedlings. The sitesdiffer markedly in their rates of association and dissociation.Suppression of endogenous ethylene biosynthesis leads to a significantenhancement of the 14C]ethylene binding observed. Norbornadieneinhibits ethylene binding and promotion of growth by ethylene.Carbon dioxide and hypoxia promote growth but neither affectsethylene binding. (Received June 25, 1990; Accepted August 24, 1990) |
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