| Preface | 5 |
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| Contents | 6 |
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| Contributors | 16 |
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| Part I Models for Plant Development | 22 |
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| Chapter 1 Gene Regulatory Models for Plant Development and Evolution | 23 |
| 1.1 Introduction: the Need for Mathematical Models to Understand Plant Development | 23 |
| 1.2 Dynamic GRN Models | 24 |
| 1.3 Inference of GRN Topology from Microarray Experiments | 27 |
| 1.4 GRN Models for Modules of Plant Development | 29 |
| 1.5 The Constructive Role of Stochasticity in GRN and Other Complex Biological Systems | 34 |
| 1.6 GRN Structure and Evolution | 35 |
| 1.7 Conclusions | 37 |
| References | 37 |
| Chapter 2 Arabidopsis as Model for Developmental Regulation and Crop Improvement | 41 |
| 2.1 Introduction | 41 |
| 2.2 Knowledge Gained in Arabidopsis Is Available for Crop Scientists | 42 |
| 2.3 Plant Architecture-Related Genes and Their Potential Uses in Crop Improvement | 42 |
| 2.4 Understanding Abiotic Stresses to Improve Tolerance to Abiotic Stresses | 47 |
| 2.5 Prospective Remarks | 48 |
| References | 49 |
| Part II Vegetative Growth and Development | 54 |
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| Chapter 3 Axillary Shoot Branching in Plants | 55 |
| 3.1 Introduction | 55 |
| 3.2 Axillary Shoot Development | 56 |
| 3.3 Hormones Involved in Axillary Bud Formation | 61 |
| 3.4 Regulatory Pathways Involved in Shoot Branching | 64 |
| 3.5 Future Perspectives | 67 |
| References | 67 |
| Chapter 4 Bud Dormancy and Growth | 71 |
| 4.1 Introduction | 71 |
| 4.2 Regulation of Paradormancy | 72 |
| 4.3 Regulation of Endodormancy | 75 |
| 4.4 Ecodormancy | 82 |
| 4.5 Regulation of Cell Division and Development Is Important for All Forms of Dormancy | 82 |
| 4.6 Future Perspectives | 84 |
| References | 84 |
| Chapter 5 Root Development | 89 |
| 5.1 Introduction | 89 |
| 5.2 Plant Root Systems, All But Uniform | 89 |
| 5.3 Patterning During Root Embryogenesis | 94 |
| 5.4 Lateral Root Development | 98 |
| 5.5 Conclusions | 101 |
| References | 102 |
| Chapter 6 Legume Nodule Development | 109 |
| 6.1 Introduction | 109 |
| 6.2 Evolution Towards Nitrogen-Fixing Bacterial Endosymbiosis | 110 |
| 6.3 Legume Nodule Initiation and Development | 111 |
| 6.4 NF Perception, Signal Transduction and Genes Involved in the Establishment of Nodulation | 114 |
| 6.5 Genes Involved in Infection, Formation and Development of Nodules | 122 |
| 6.6 The Latest Stage of Nodulation: Nodule Senescence | 127 |
| 6.7 Hormones in Nodulation | 129 |
| 6.8 Autoregulation | 136 |
| 6.9 Tools to Study Nodulation in Legumes | 139 |
| References | 143 |
| Chapter 7 Tuber Development | 155 |
| 7.1 Introduction | 155 |
| 7.2 Potato Tuber Development | 157 |
| 7.3 Summary | 165 |
| References | 165 |
| Chapter 8 Senescence | 169 |
| 8.1 Introduction | 169 |
| 8.2 Senescence in Plants | 170 |
| 8.3 Symptoms of Senescence | 170 |
| 8.4 Regulation of Leaf Senescence | 173 |
| 8.5 Molecular Genetic Regulation of Leaf Senescence | 178 |
| 8.6 Genetic Manipulation and Application of Leaf Senescence | 181 |
| 8.7 Conclusions and Outlooks | 182 |
| References | 183 |
| Part III Reproductive Growth and Development | 188 |
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| Chapter 9 Floral Organ Initiation and Development | 189 |
| 9.1 Introduction: the Angiosperm Flower | 189 |
| 9.2 The MADS Box Family of Transcription Factors | 190 |
| 9.3 Change from Vegetative Growth to Reproductive Growth | 191 |
| 9.4 Floral Quartet Model | 196 |
| 9.5 Autoregulatory Mechanisms | 203 |
| 9.6 Other Genes Involved in Floral Organogenesis | 203 |
| 9.7 Targets of the Floral Organ Identity Genes | 204 |
| 9.8 Summary | 205 |
| References | 205 |
| Chapter 10 Control of Flower Development | 211 |
| 10.1 Introduction | 211 |
| 10.2 Regulation of Floral Organ Development | 212 |
| 10.3 Genetic Network of Flowering Control | 215 |
| 10.4 Perspectives | 222 |
| References | 222 |
| Chapter 11 Development and Function of the Female Gametophyte | 225 |
| 11.1 Introduction | 225 |
| 11.2 The Formation of Female Gametes | 226 |
| 11.3 Genetic Dissection of Female Gametogenesis | 229 |
| 11.4 Transcriptional Analysis of the Female Gametophyte | 230 |
| 11.5 Double Fertilization | 234 |
| 11.6 Future Trends | 236 |
| References | 237 |
| Chapter 12 Male Gametophyte Development | 241 |
| 12.1 Introduction | 241 |
| 12.2 Overview of Pollen Development | 242 |
| 12.3 Gametophytic Mutants Affecting Pollen Development | 243 |
| 12.4 Mutants Affecting Gametophytic Cell Divisions (Morphological Screens) | 248 |
| 12.5 Genes with Roles in Asymmetric Microspore Division | 249 |
| 12.6 Genes Controlling Male Germline Development | 250 |
| 12.7 Transcriptomics of Pollen Development | 252 |
| 12.8 Two Global Male Gametophytic Gene Expression Programmes | 253 |
| 12.9 Post-Transcriptional Regulation | 255 |
| 12.10 Integrating Genetic and Transcriptomic Data | 255 |
| References | 256 |
| Chapter 13 Pollen Germination and Tube Growth | 261 |
| 13.1 Introduction | 261 |
| 13.2 Mature Pollen Grains | 262 |
| 13.3 Pollen-Stigma Interaction | 267 |
| 13.4 Pollen Germination and Tube Growth | 271 |
| 13.5 Conclusions | 288 |
| References | 288 |
| Chapter 15 Fruit Development | 317 |
| 15.1 Introduction | 317 |
| 15.2 Floral Development and Fruit Set | 318 |
| 15.3 Early Fruit Development | 320 |
| 15.4 Fruit Enlargement | 322 |
| 15.5 Fruit Maturation and Ripening | 325 |
| 15.6 Perspectives | 329 |
| References | 330 |
| Chapter 16 Mechani
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