Abstract
The terminal step in the ethylene biosynthetic pathway, the conversion of 1-aminocyclopropane-l-carboxylic acid (ACC) to ethylene, exhibits substrate stereospecificity (1) and appears to be membrane-associated (2). As well, studies with protoplasts from Ipomoea flower buds (3) and leaf discs of bean (4) indicate that the reaction is oxygen-dependent and sensitive to radical scavengers. In the present study, we describe two model systems for converting ACC to ethylene — a chemical system in which the reaction is mediated by the hydroxyl radical and a microsomal membrane system in which the reaction is enzymatic and facilitated by the superoxide radical. These model systems have features in common with the conversion of ACC to ethylene in situ and have provided supporting evidence for the involvement of free radicals in the terminal step in ethylene biosynthesis.
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© 1984 Martinus Nijhoff/Dr. W. Junk Publishers, The Hague
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Thompson, J.E., Legge, R.L., McRae, D.G., Covello, P.S. (1984). Model Systems for the Formation of Ethylene From 1-Aminocyclopropane-1-Carboxylic Acid. In: Fuchs, Y., Chalutz, E. (eds) Ethylene. Advances in Agricultural Biotechnology, vol 9. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6178-4_3
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DOI: https://doi.org/10.1007/978-94-009-6178-4_3
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-009-6180-7
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