From Environmental Stressor to Regulator of Plant Growth
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Köp båda 2 för 2800 krABOUT THE EDITORS VIJAY PRATAP SINGH is Assistant Professor, Govt. Ramanuj Pratap Singhdev Post Graduate College, Chhattisgarh, India. SAMIKSHA SINGH is Research Scholar, Ranjan Plant Physiology and Biochemistry Laboratory, Department of Botany, University of Allahabad, India. SHEO MOHAN PRASAD is Professor, Ranjan Plant Physiology and Biochemistry Laboratory, Department of Botany, University of Allahabad, India. PARUL PARIHAR is Research Scholar, Ranjan Plant Physiology and Biochemistry Laboratory, Department of Botany, University of Allahabad, India.
List of Contributors xv Preface xix 1 An Introduction to UV-B Research in Plant Science 1 Rachana Singh, Parul Parihar, Samiksha Singh, MPVVB Singh, Vijay Pratap Singh and Sheo Mohan Prasad 1.1 The Historical Background 1 1.2 Biologically Effective Irradiance 2 1.3 UV-B-induced Effects in Plants 3 1.4 Conclusion and Future Prospects 5 Acknowledgements 6 References 6 2 Stimulation of Various Phenolics in Plants Under Ambient UV-B Radiation 9 Marija Vidovic, Filis Morina and Sonja Veljovic Jovanovic 2.1 Introduction 9 2.2 UV-B Radiation 10 2.2 Phenolics 12 2.2.1 Chemistry of Phenolic Compounds 13 2.2.2 Biosynthesis and Subcellular Localization of Phenolics 13 2.2.3 Functions of Phenolic Compounds Depend on Their Localization 15 2.4 UV-B Radiation Stimulates Phenolic Induction 18 2.4.1 Mechanisms of UV-B Perception 18 2.4.2 UV-B-Induced Accumulation of Phenolic Compounds 20 2.4.1 Interactive Effects of UV-B with UV-A Radiation and PAR on Phenolics Accumulation 28 2.4.2 Interactive Effects of UV-B with other Environmental Factors on Phenolics Accumulation 30 2.5 UV-B-Induced Photomorphological Responses 31 2.5.1 Connection Between UV-B-Induced Morphological Responses and Phenolics 31 2.5.2 Effect of UV-B Radiation on Root Morphology in Relation to Phenolics 32 2.6 Photosynthesis Under UV-B Radiation 33 2.6.1 Interplay of Phenolics and Photosynthesis Under UV-B Radiation 34 2.7 UV-B Radiation Induces Phenolics Accumulation in Fruits 37 2.8 Conclusions and Future Perspectives 38 References 39 3 UV-B Radiation: A Reassessment of its Impact on Plants and Crops 57 Krystyna Zuk-Golaszewska 3.1 Introduction 57 3.2 Plant Production 58 3.3 Plant protection Against UVB 60 References 60 4 Interaction of UV-B with the Terrestrial Ecosystem 65 Rohit Kumar Mishra, Sanjesh Tiwari and Sheo Mohan Prasad 4.1 Introduction 65 4.2 Growth and Development 66 4.3 Secondary Metabolites 67 4.4 Susceptibility to Herbivorous Insects 67 4.5 Plant Sexual Reproduction 67 4.6 Genomic Level 68 4.7 Conclusion 69 References 70 5 A Review of Stress and Responses of Plants to UV-B Radiation 75 Sonika Sharma, Soumya Chatterjee, Sunita Kataria, Juhie Joshi, Sibnarayan Datta, Mohan G. Vairale and Vijay Veer 5.1 Introduction 75 5.2 Morphological and Yield Response to UV-B 76 5.3 Targets of UV-B in the Carbon Fixation Cycle 79 5.4 Photoreceptors and Signalling Pathway in Response to UV-B Radiation 80 5.5 Acclimatization and Protection in Response to UV-B 82 5.6 Oxidative Stress and Antioxidant System in Response to UV-B 82 5.7 DNA Damage and Repair Mechanism 83 5.8 Exclusion of UV Components: Experimental Approach to Study the Effect on Plants 85 5.9 Conclusion and Future Prospective 86 Acknowledgement 87 References 87 6 Oxidative Stress and Antioxidative Defence System in Plants in Response to UV-B Stress 99 Sunita Kataria 6.1 Introduction 99 6.2 Plant Protection Against UV Radiation 101 6.3 UV-B and ROS 103 6.4 UV-B and Antioxidant Enzymes 104 6.5 UV-B and Antioxidant 107 6.6 UV-B and Signalling 108 6.7 Conclusions and Perspectives 110 References 111 7 Major influence on phytochrome and photosynthetic machinery under UV-B exposure 123 Anita Singh, Gausiya Bashri and Sheo Mohan Prasad 7.1 Introduction 123 7.2 Photomorphogenesis in Higher Plants 124 7.2.1 Phytochrome system and its interaction with UV-B 124 7.2.2 Photomorphogenic responses of UV-B 125 7.2.3 UV-B signal transduction (UV-R8) 127 7.3 Effect of UV-B Exposure on Photosynthetic Machinery 128 7.3.1 Direct effects of UV- B on photosynthetic machinery 128 7.3.1.1 Effects of UV-B stress on components involved in light reaction 128 7.3.1.2 Effect of UV-B stress on photosystems and cytochrome b6/f complex 129 7.3.2 Indirect effect of UV-B stress on components involved in dark reaction 132 7.3.2.1 Impact on regulation of stomata and RuBisCO enzyme 132 7.3.3 UV-