Stress New Tools for Reactive Oxygen Species and Photosynthesis Research

Ruby Chandna, Khalid Ul Rehman Hakeem, and Parvaiz Ahmad

Abstract

Abiotic stresses are the primary causes of crop loss worldwide. Photosynthesis is an important phenomenon that is particularly affected towards reactive oxygen species, generated during any stress condition in an organism. Oxidative stresses in plants leads to debilitation and death or to response and tolerance. The sub-cellular energy organelles (chloroplast, mitochondria and peroxisomes), responsible for major metabolic processes including photosynthesis, photorespiration, oxidative phosphorylation, b-oxidation and the tricarboxylic acid cycle, are much affecting centers in a plant cell by oxidative stresses. Plant adaptation to environmental stresses is dependent upon the activation of cascades of molecular networks involved in stress perception, signal transduction, and the expression of specific stress related genes and metabolites. Progress in genomics, pro-teomics and metabolomics results in more understanding of global cellular responses to oxidative stress on transcript, protein, and metabolite levels. Elucidating the function of proteins expressed by genes in stress tolerant and susceptible plants would advance our understanding of plant adaptation and tolerance to environmental stresses, but also may provide important information for designing new strategies for crop improvement.

R. Chandna

Molecular Ecology Lab, Department of Botany, Jamia Hamdard, New Delhi 110062, India

National Institute of Plant Genomics and Research, Aruna Asif Ali Marg, New Delhi 110070, India

Molecular Ecology Lab, Department of Botany, Jamia Hamdard, New Delhi 110062, India e-mail: [email protected]

P. Ahmad

Department of Botany, A.S. College, University of Kashmir, Srinagar 190008, India e-mail: [email protected]

P. Ahmad and M.N.V. Prasad (eds.), Abiotic Stress Responses in Plants: Metabolism, Productivity 181

and Sustainability, DOI 10.1007/978-1-4614-0634-1_10, © Springer Science+Business Media, LLC 2012

Keywords

Abiotic stress • Proteomics • Plant responses • ROS • Gene expression • Transgenics

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