Abstract

Contents * About the Editor * Contributors * Preface * Chapter 1. Mechanisms of Chilling Injury and Tolerance * Introduction * Maize Seedlings Serve As a Model System * Chilling Induces Oxidative Stress in the Tissues * Mechanisms of Chilling Responses * Antioxidant Gene Expression Responsive to Chilling Stress * Possible Roles of Hydrogen Peroxide in Signaling Mechanisms * Summary of Chilling Stress and Tolerance Mechanisms in Maize * Genetic Engineering of Chilling (Cold) Tolerance * Concluding Remarks * Chapter 2. Chilling Effects on Active Oxygen Species and Their Scavenging Systems in Plants * An Oxygenated Environment * Active Oxygen Species * Active Oxygen Scavenging Systems * Chilling Effects on Plants * Chilling Effects on Photosynthesis and Active Oxygen Species Production * Effects of Chilling on Antioxidant Systems * Conclusions * Chapter 3. Root System Functions During Chilling Temperatures: Injury and Acclimation * Introduction * Chilling Inhibition of Root Growth * Water Relations During Chilling * Mineral Uptake * Circadian Rhythms * Hormones in Chilled Roots * Root System Acclimation * Conclusion * Chapter 4. Mechanisms of Cold Acclimation * Introduction * Control of Water Status * Control of Cell Dehydration * Membrane Stabilization * Induction of Cryoprotective Proteins * Molecular Changes Related to Protein Synthesis * Cold-Induced Gene Products of Unknown Function * Regulation of Molecular Adaptations to Cold * Conclusion * Chapter 5. Signal Transduction Under Low Temperature Stress * Introduction * Low-Temperature Control of Gene Expression * Genetic Dissection of Signal Pathways * Engineering Freezing-Tolerant Crops * Chapter 6. Mechanisms of Thermotolerance in Crops * Introduction * Impact of High Temperature on Crops * Defense Mechanisms Against High-Temperature-Induced Damage * Molecular Strategies for Enhancing Thermotolerance in Crops * Conclusions and Perspectives * Chapter 7. Control of the Heat Shock Response in Crop Plants * Introduction * Expression of HSPs Following Stress and During Development * The Impact of Heat Shock on Transcription * Effects of Heat Shock on Protein Yield * Heat-Induced Changes in the Translational Machinery of Crop Plants * HSP mRNAs Escape Heat Shock-Induced Translational Repression * Regulation of RNA Degradatory Machinery Following Heat Shock * Conclusions * Chapter 8. The Effects of Heat Stress on Cereal Yield and Quality * Introduction * Effects of High Temperature on Yield * Effects of High Temperature on Quality * Strategies for Coping with Heat Stress * Conclusions * Index * Reference Notes Included

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