Abstract
Exposure of tomato fruits to ethanol vapors delays the ripening by inhibiting the ACC oxidase activity via a sugge sted modification of membrane microstructure. Alcohol dehydrogenase (ADH) activity increases several folds in green tissue exposed to hypoxia; in contrast, the increase is small under ethanol treatment. ADH activity has been postulated being affected by ethylene in yeast but Morrell and Greenway (1989) have shown no relation exists between ethylene and ADH in rice coleoptiles. Because in ripening fruit, ethanol, acetaldehyde and ethylene increase and ADH activity rises in ripening tomato fruits (Longhurst et al. 1990), we have studied if a relation exists,in tomato fruit pericarp discs treated with ethanol vapor, between ethylene and ADH.
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Longhurst, T.J., Tung H.F. and Brady,C.J. (1990) Developmental regulation of the expression of alcohol dehydrogenase in ripening tomato fruits. J. Food Biochem. 14, 421 – 433.
Morrell,S. and Greenway, H. (1989) Evidence does not support ethylene as a cue for synthesis of ADH and pyruvate decar boxylase during exposure to hypoxia. Aus. J. Plant Physiol. 16, 469–475.
Saltveit, M.E. Jr (1989) Effect of alcohols and their interaction with ethylene on the ripening of epidermal pericarp discs of tomato fruits. Plant Physiol. 90, 167 – 174.
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© 1993 Springer Science+Business Media Dordrecht
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Botondi, R., Gobattoni, E., Massantini, R., Mencarel, F. (1993). ADH Activity, via Ethanol, Affects Ethylene Production in Tomato Pericarp Discs. In: Pech, J.C., Latché, A., Balagué, C. (eds) Cellular and Molecular Aspects of the Plant Hormone Ethylene. Current Plant Science and Biotechnology in Agriculture, vol 16. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1003-9_34
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DOI: https://doi.org/10.1007/978-94-017-1003-9_34
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-4249-1
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