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Biosynthesis and Action of Ethylene

Biosynthesis and Action of Ethylene Ethylene, the simplest unsaturated carbon compound,which is a gas under physiological conditions of temperature and pressure, exerts a major influ­ ence on many if not all aspects of plant growth, development,and senes­ cence apparently at regulatory levels of metabolism. Ethylene is considered a plant hormone because it is a natural product of metabolism,acts in trace amounts, in conjunction with or antagonistic to other plant hormones,and is neither a substrate or cofactor in reactions associated with major develop­ mental plant processes. Whether or not such a natural product of metabo­ lism fits all the definitions of a hormone, or more specifically a plant hormone, may be open to some argument, but such arguments can only dwell on semantics. The fact is that ethylene is a powerful natural regulating substance in plant metabolism,acting and interacting with other recognized plant hormones in trace amounts, and its elfects are observed especially during critical periods in the life cycle of higher plants. Biochemical and physiological studies of ethylene biosynthesis and mode of action have increased significantly in the past 20 years. This subject has been reviewed periodically in this series (4,50,221) and elsewhere (156,198, 217 255,288,291) and in addition, two monographs have been http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Plant Biology Annual Reviews

Biosynthesis and Action of Ethylene

Annual Review of Plant Biology , Volume 30 (1) – Jun 1, 1979

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References (3)

Publisher
Annual Reviews
Copyright
Copyright 1979 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
1040-2519
DOI
10.1146/annurev.pp.30.060179.002533
Publisher site
See Article on Publisher Site

Abstract

Ethylene, the simplest unsaturated carbon compound,which is a gas under physiological conditions of temperature and pressure, exerts a major influ­ ence on many if not all aspects of plant growth, development,and senes­ cence apparently at regulatory levels of metabolism. Ethylene is considered a plant hormone because it is a natural product of metabolism,acts in trace amounts, in conjunction with or antagonistic to other plant hormones,and is neither a substrate or cofactor in reactions associated with major develop­ mental plant processes. Whether or not such a natural product of metabo­ lism fits all the definitions of a hormone, or more specifically a plant hormone, may be open to some argument, but such arguments can only dwell on semantics. The fact is that ethylene is a powerful natural regulating substance in plant metabolism,acting and interacting with other recognized plant hormones in trace amounts, and its elfects are observed especially during critical periods in the life cycle of higher plants. Biochemical and physiological studies of ethylene biosynthesis and mode of action have increased significantly in the past 20 years. This subject has been reviewed periodically in this series (4,50,221) and elsewhere (156,198, 217 255,288,291) and in addition, two monographs have been

Journal

Annual Review of Plant BiologyAnnual Reviews

Published: Jun 1, 1979

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