Incluye referencias bibliográficas e índice CONTENIDO: Color plates. Abiotic Tolerance and Crop Improvement -- Stress Perception and Signal Transduction. Sensors and Signal Transducers of Environmental Stress in Cyanobacteria -- Stress Signaling I:The Role of Abscisic Acid -- Stress Signaling II: Calcium Sensing and Signaling -- Stress Signaling III: Reactive Oxygen Species -- A Biotic or Abiotic Stress? -- Protein Kinases and Phosphatases for Stress Signal Transduction in Plants -- Nitrogen Source Influences Root to Shoot Signaling under Drought -- Stress Regulation of Gene Expression. Abiotic Stress Responses: Complexities of Gene Expression -- Promoters and Transcription Factors in Abiotic Stress-responsive Gene Expression -- Epigenetic Regulation: Chromatin Modeling and Small RNAs -- Physiology and Metabolism. Ion Homeostasis -- Glutathione Homeostasis: Crucial for Abiotic Stress Tolerance in Plants -- Water Balance and the Regulation of Stomatal Movements -- Responses to Macronutrient Deprivation -- Osmolyte Regulation in Abiotic Stress -- Programmed Cell Death in Plant -- Overcoming Stress. Varietal improvement for Abiotic Stress Tolerance in Crop Plants: Special Reference to Salinity in Rice -- Transgenic Approaches -- Marker Assisted Breeding -- Stress, Mutators, Mutations and Stress Resistance -- Systems Biology of Abiotic Stress: the Elephant and the Blind Men -- Global Climate Change, Stress and Plant Productivity.