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The Metabolism of the Gibberellins

The Metabolism of the Gibberellins The gibberellins (GAs) are generally recognized as regulators of the growth and development of higher plants. Before the factors which control the levels of these hormones can be understood. a detailed knowledge of the metabolic pathways by which GAs are synthesized and deactivated is clearly required. Since the metabolism of the GAs was last reviewed in this series by Lang (103) in 1970. the subject has expanded at an impressive rate. and a large volume of publications, including a number of reviews. have appeared. Graebe & Ropers (77) have written an excellent and comprehensive review of the GAs which includes a critical discussion of GA metabolism; other reviews on GA metabolism are by MacMillan (I l l. 113. 114). Hanson (79). MacMillan & Pryce (115). West (164). Barendse (7). Bearder & Sponsel (19) and Railton (131). Although this review concentrates upon the progress which has been made from 1970 to 1977, earlier studies are included where appropriate in order to present a coherent assessment of present knowledge. The structures of the presently known 52 GAs are shown in Figure 1. Both the trivial names GA 1-GAs2 (116) and the systematic names. ent-gibberellane and ent-kaurane (140). are used. The http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Plant Biology Annual Reviews

The Metabolism of the Gibberellins

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Publisher
Annual Reviews
Copyright
Copyright 1978 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
1040-2519
DOI
10.1146/annurev.pp.29.060178.001053
Publisher site
See Article on Publisher Site

Abstract

The gibberellins (GAs) are generally recognized as regulators of the growth and development of higher plants. Before the factors which control the levels of these hormones can be understood. a detailed knowledge of the metabolic pathways by which GAs are synthesized and deactivated is clearly required. Since the metabolism of the GAs was last reviewed in this series by Lang (103) in 1970. the subject has expanded at an impressive rate. and a large volume of publications, including a number of reviews. have appeared. Graebe & Ropers (77) have written an excellent and comprehensive review of the GAs which includes a critical discussion of GA metabolism; other reviews on GA metabolism are by MacMillan (I l l. 113. 114). Hanson (79). MacMillan & Pryce (115). West (164). Barendse (7). Bearder & Sponsel (19) and Railton (131). Although this review concentrates upon the progress which has been made from 1970 to 1977, earlier studies are included where appropriate in order to present a coherent assessment of present knowledge. The structures of the presently known 52 GAs are shown in Figure 1. Both the trivial names GA 1-GAs2 (116) and the systematic names. ent-gibberellane and ent-kaurane (140). are used. The

Journal

Annual Review of Plant Biology – Annual Reviews

Published: Jun 1, 1978

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