Novel inhibitors of ethylene production in higher plants |
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Authors: | Amrhein, N. Wenker, D. |
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Affiliation: | Arbeitsgruppe Hormonphysiologie der Pflanzen, Lehrstuhl f?r Pflanzenphysiologie, Ruhr-Universit?t D-4630 Bochum, Fed. Rep. Germany |
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Abstract: | Of a number of O-substituted hydroxylamine derivatives, N-benzyloxycarbonyl-L-a-aminooxy-propionicacid and -aminooxyacetic acid inhibited ethylene productionby etiolated mung bean hypocotyls by 50% at 3 and 6 µmconcentrations, respectively. Their potency is thus similarto that of aminoethoxyvinylglycine (50% inhibition at 2 µM),the most potent inhibitor of ethylene production hitherto known.Methionine partially alleviated inhibition of ethylene productionby a-aminooxy-acetic acid. The results are in agreement withthe postulated involvement of pyridoxal phosphate in ethylenebiosynthesis. (Received August 31, 1979; ) |
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