Plant Desiccation Tolerance

Plant Desiccation Tolerance......Page 1
Contents......Page 7
Contributors......Page 11
Preface......Page 15
Section 1 Vegetative Desiccation Tolerance......Page 17
1.2 Diversity and Distribution of Desiccation Tolerance......Page 19
1.3 A Definition of Desiccation and Desiccation Tolerance......Page 22
1.4 The Future of Research on Desiccation Tolerance......Page 24
2.1 Introduction......Page 27
2.2 Variability in Desiccation Tolerance......Page 28
2.3 Hardening and Priming for Tolerance......Page 29
2.4 Evolutionary Aspects of Desiccation Tolerance in Plants......Page 31
2.5 Mechanistic Considerations......Page 33
2.6 Components of Cellular Protection......Page 40
2.7 Survival Strategies for Dehydration Extremophiles......Page 46
2.8 Genomics and Desiccation Tolerance......Page 54
2.9 Concluding Remarks......Page 58
3.1 Introduction: Some Definitions and Preliminary Explanations......Page 67
3.2 Concluding Statements......Page 97
4.1 Introduction......Page 107
4.2 Limits to Desiccation Tolerance......Page 108
4.4 Controlling Reactive Oxygen Species Metabolism Is Important in Desiccation Tolerance......Page 109
4.5 Other Mechanisms of Desiccation Tolerance......Page 118
4.6 Constitutive and Inducible Desiccation Tolerance......Page 121
4.7 Desiccation Tolerance: Protection or Repair?......Page 122
4.8 The Evolution of Desiccation Tolerance in Lichens......Page 124
4.9 Conclusions......Page 125
5.1 Introduction......Page 131
5.2 Whole Plant Effects: Growth and Metabolism......Page 132
5.3 Control of Water Permeability: The Role of Aquaporins......Page 135
5.4 Sensing of Water Deficit......Page 136
5.5 Signal Transduction: Second Messengers and Signaling Molecules......Page 137
5.6 Molecular Responses: Gene Expression in Response to Dehydration and Desiccation......Page 142
5.7 Craterostigma Desiccation Tolerant (CDT) Genes......Page 150
5.9 Oxidative Damage and Reactive Oxygen Species......Page 151
5.11 Conclusions......Page 153
Section 2 Desiccation Tolerance of Pollen, Spores, and Seeds......Page 165
6.1 Introduction......Page 167
6.2 Acquisition of Desiccation Tolerance......Page 168
6.3 Requirements for Desiccation Tolerance......Page 172
6.4 Control of Desiccation Tolerance in Seeds......Page 194
6.5 Concluding Comments......Page 200
Color Plate Section......Page 209
7.1 Introduction......Page 221
7.2 Definition, Formation, and Detection of Glasses......Page 222
7.3 Properties of Intracellular Glasses: Water, Hydrogen Bonding Network, Molecular Density, and Relaxation......Page 225
7.4 Glasses Enhance Structural Stability and Life Span of Dry Anhydrobiotes......Page 228
7.5 Predictions of Longevity by Glass Parameters......Page 232
7.6 Putative Composition of Intracellular Glasses......Page 235
7.7 Concluding Remarks......Page 237
8.1 Introduction......Page 243
8.2 Desiccation and Maintaining the Integrity of the Genome......Page 245
8.3 Evolutionary Adaptations of Seeds and DNA Repair......Page 263
9.1 Introduction......Page 279
9.2 Quantification of Desiccation Tolerance and Damage......Page 280
9.3 Kinetics Define Desiccation Damage......Page 283
9.4 Moisture “Rafts”......Page 287
9.5 Reactions When Cells Dry......Page 288
9.6 Conclusions......Page 300
Section 3 Applications of Desiccation Tolerance Research......Page 309
10 XvSap1, a Desiccation Tolerance Associated Gene with Potential for Crop Improvement......Page 311
Index......Page 325