Abiotic stresses including drought, temperature, flooding, and salinity result in hampered plant growth and development resulting in a reduction of crop productivity. When the plants are exposed to these stresses, gene expression is altered, resulting in increased or decreased levels of metabolites and proteins. To combat these stresses, plants exhibit several mechanisms to withstand adverse stress through expression of genes. This book focuses on plant responses under abiotic stress conditions and provides treatments available to enhance plant tolerance to these conditions. It presents strategies towards crop improvement using breeding, genomic, molecular, and physiological approaches.
Tentative Outline: Spectrum of Physiological and Molecular Responses in Plant Abiotic Stress Tolerance. Physiological, Genomics, and Breeding Approaches to Improve Abiotic Stress Tolerance. Genomics Approaches in Plant Stress Research. Reactive Oxygen Species. Antioxidants in Plant Abiotic Stress Tolerance. Glutathione. Phospholipase C in Abiotic Stress Triggered Lipid Signaling in Plants. Physiological Response of Phytohormones in Modulation. Role of Ethylene. Role of Jasmonates. Role of Nitric Oxide. Root Plasticity Under Low Phosphate Availability. Cold Stress in Rice and MiRNA Engineering. Importance of Plant Senescence. Role of Proline. Role of Sugars. Role of Silicon. Role of Glycine Betaine. Role of Epigenetic Chromatin Regulators. Utilization of Genetic Engineering Tools in Developing Abiotic Stress Tolerant Plants. Regulation of High Temperature. Regulation of Hypoxia. Regulation of Light. Regulation of UV. Regulation of Heavy Metal. Regulation of Ionizing Radiation. Regulation of Ozone. Role of Calcium Signaling. Role of Transcription Factors. Role of Protein Kinases. Role of Chaperons. Role of Proteinases. Role of Aquaporins. Role of Transporters. Future Perspective of Abiotic Stress Tolerance.