Plant hormones play a crucial role in controlling the way in which plants grow and develop. While metabolism provides the power and building blocks for plant life, it is the hormones that regulate the speed of growth of the individual parts and integrate them to produce the form that we recognize as a plant. This book is a description of these natural chemicals: how they are synthesized and metabolized, how they act at both the organismal and molecular levels, how we measure them, a description of some of the roles they play in regulating plant growth and development, and the prospects for the genetic engineering of hormone levels or responses in crop plants. This is an updated revision of the third edition of the highly acclaimed text. Thirty-three chapters, including two totally new chapters plus four chapter updates, written by a group of fifty-five international experts, provide the latest information on Plant Hormones, particularly with reference to such new topics as signal transduction, brassinosteroids, responses to disease, and expansins. The book is not a conference proceedings but a selected collection of carefully integrated and illustrated reviews describing our knowledge of plant hormones and the experimental work that is the foundation of this information. The Revised 3rd Edition adds important information that has emerged since the original publication of the 3rd edition. This includes information on the receptors for auxin, gibberellin, abscisic acid and jasmonates, in addition to new chapters on strigolactones, the branching hormones, and florigen, the flowering hormone.
A. INTRODUCTION 1 The plant hormones: Their nature, occurrence and function: Peter J. Davies 2 Regulatory factors in hormone action: level, location and signal transduction: Peter J. Davies B. HORMONE BIOSYNTHESIS, METABOLISM, AND ITS REGULATION 1 Auxin biosynthesis and metabolism: Jennifer Normanly, Janet P. Slovin and Jerry D. Cohen 2 Gibberellin biosynthesis and inactivation: Valerie M. Sponsel and Peter Hedden 3 Cytokinin biosynthesis and metabolism: Hitoshi Sakakibara 4 Ethylene biosynthesis: Jean-Claude Pech, Mondher Bouzayen and Alain Latche 5 Abscisic acid biosynthesis and metabolism: Steven H. Schwartz and Jan A.D. Zeevaart 6 Brassinosteroids biosynthesis and metabolism: Sunghwa Choe 7 Regulation of Gibberellin and Brassinosteroid Biosynthesis by Genetic, Environmental and Hormonal Factors: James B. Reid, Gregory M. Symons and John J. Ross C. THE FINAL ACTION OF HORMONES 1 Auxin and cell elongation: Robert E. Cleland 2 Gibberellin action in germinating cereal grains: Fiona Woodger, John V. Jacobsen, and Frank Gubler 3 Cytokinin regulation of the cell division cycle: Luc Roef and Harry Van Onckelen 4 Expansins as agents of hormone action: Hyung-Taeg Cho and Daniel Cosgrove D. HORMONE SIGNAL TRANSDUCTION 1 Auxin signal transduction Gretchen Hagen, Tom J. Guilfoyle and William M. Gray Update: The Auxin Receptor 2 Gibberellin signal transduction in stem elongation and leaf growth: Tai-Ping Sun Update: The Gibberellin Receptor 3 Cytokinin signal transduction: Bridey B. Maxwell and Joseph J. Kieber 4 Ethylene signal transduction in stem elongation: Ramlah Nehring and Joseph R. Ecker 5 Ethylene signal transduction in flowers and fruits: Harry J. Klee and David G. Clark 6 Abscisic acid signal transduction in stomatal responses: Sarah M. Assmann Update: The Abscisic Acid Receptor 7 Brassinosteroid signal transduction: Steven D. Clouse E. THE FUNCTIONING OF HORMONES IN PLANTGROWTH AND DEVELOPMENT 1 Auxin transport: David A. Morris, Jiri Friml and Eva Zazimalova 2 The induction of vascular tissues by auxin: Roni Aloni 2A Strigolactones: The New Class of Branching Hormones: Christine A. Beveridge and Catherine Rameau 3 Hormones and the regulation of water balance: Ian C. Dodd and William J. Davies 3A The Flowering Hormone - Florigen: A Protein Hormone: Brian G. Ayre 4 The role of hormones during seed development and germination: Ruth R. Finkelstein: 5 Hormonal and daylength control of potato tuberization: Salome Prat 6 The hormonal regulation of senescence: Susheng Gan 7 Genetic and transgenic approaches to improving crop performance via hormones: Andy L. Phillips F. THE ROLES OF HORMONES IN DEFENSE AGAINST INSECTS AND DISEASE 1 Jasmonates: Gregg A. Howe Update: The Jasmonate Receptor 2 Salicylic acid: Terrence P Delaney 3 Peptide hormones: Clarence A. Ryan and Gregory Pearce G. HORMONE ANALYSIS 1 Methods of plant hormone analysis: Karin Ljung, Goeran Sandberg and Thomas Moritz. Table of Genes Index
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