Dieses neue Buch des bekannten Herausgeberteams bietet einen umfassenden Überblick über die molekularen Grundlagen der Reaktion von Pflanzen auf externe Stressfaktoren wie Dürre oder Schwermetalle und unterstützt die Entwicklung stressresistenter Nutzpflanzen.
Autorentext
An elected fellow of numerous academies, Narendra Tuteja is currently a senior scientist at ICGEB, New Delhi, India. He has made significant contributions to crop improvement under adverse conditions, reporting the first helicase from plant and human cells and demonstrating new roles of Ku autoantigen, nucleolin and eIF4A as DNA helicases. Furthermore, he discovered novel functions of helicases, G-proteins, CBL-CIPK and LecRLK in plant stress tolerance, and PLC and MAP-kinase as effectors for G proteins. Narendra Tuteja also reported several high salinity stress tolerant genes from plants and fungi and developed salt/drought tolerant plants.
Currently assistant professor at MD University, Rohtak, India, Sarvajeet Singh Gill has made significant contributions to abiotic stress tolerance. Together with Narendra Tuteja he worked on plant helicases and discovered a novel function of plant MCM6 in salinity stress tolerance that will help improve crop production at sub-optimal conditions. A recipient of the Junior Scientist of the Year Award 2008 from the National Environmental Science Academy, Sarvajeet Gill has edited several books and has a number of research papers, review articles, and book chapters to his name.
Zusammenfassung
Understanding abiotic stress responses in plants is critical for the development of new varieties of crops, which are better adapted to harsh climate conditions. The new book by the well-known editor team Narendra Tuteja and Sarvajeet Gill provides a comprehensive overview on the molecular basis of plant responses to external stress like drought or heavy metals, to aid in the engineering of stress resistant crops.
After a general introduction into the topic, the following sections deal with specific signaling pathways mediating plant stress response. The last part covers translational plant physiology, describing several examples of the development of more stress-resistant crop varieties.
Inhalt
List of Contributors XVII
Foreword XXV
Preface XXVII
Part I Abiotic Stresses An Overview 1
1 Abiotic Stress Signaling in PlantsAn Overview 3
Sarvajeet Singh Gill, Naser A. Anjum, Ritu Gill, and Narendra Tuteja
1.1 Introduction 3
1.2 Perception of Abiotic Stress Signals 4
1.3 Abiotic Stress Signaling Pathways in Plants 4
1.3.1 Reactive Oxygen Species 5
1.3.2 Transcription Factors 6
1.3.3 Calcium and Calcium-Regulated Proteins 7
1.3.4 MAPK Cascades 7
1.4 Conclusions, Crosstalks, and Perspectives 8
Acknowledgments 8
References 9
2 Plant Response to Genotoxic Stress: A Crucial Role in the Context of Global Climate Change 13
Anca Macovei, Mattia Donà, Daniela Carbonera, and Alma Balestrazzi
2.1 Introduction 13
2.2 Genotoxic Effects of UV Radiation 14
2.3 UV-B-Induced DNA Damage and Related Signaling Pathway 15
2.4 Repair of UV-B-Induced DNA Lesions: The Role of Photolyases 16
2.5 Contribution of the NER Pathway in the Plant Response to UV Radiation 17
2.6 Chromatin Remodeling and the Response to UV-Mediated Damage 18
2.7 Homologous Recombination and Nonhomologous End Joining Pathways are Significant Mechanisms in UV Tolerance 20
2.8 UV-B Radiation and Genotoxic Stress: In Planta Responses 21
2.9 Heat Stress: A Challenge for Crops in the Context of Global Climate Change 21
2.10 Conclusions 22
References 23
3 Understanding AlteredMolecular Dynamics in the Targeted Plant Species in Western Himalaya in Relation to Environmental Cues: Implications under Climate Change Scenario 27
Sanjay Kumar
3.1 Why Himalaya? 27
3.2 Climate Change is Occurring in Himalaya 31
3.3 Plant Response to Climate Change Parameters in Himalayan Flora 34
3.3.1 How to Enhance the Efficiency of Carbon Uptake? Plants at High Altitude Offer Clues 34
3.3.2 Managing Oxidative Stress the Nature'sWay 36
3.3.2.1 Engineering SOD for Climate Change 37
3.3.3 Transcriptome Analysis Offers Genes and Gene Suits for Tolerance to Environmental Cues 37
3.3.3.1 Clues from Plants at High Altitude 38
3.3.3.2 Clues from Plants at Low Altitude 39
3.3.3.3 Summing up the Learning from Transcriptome Data 42
3.4 Impact on Secondary Metabolism under the Climate Change Scenario 42
3.5 Path Forward 46
Acknowledgments 47
References 48
4 Crosstalk between Salt, Drought, and Cold Stress in Plants: Toward Genetic Engineering for Stress Tolerance 55
Sagarika Mishra, Sanjeev Kumar, Bedabrata Saha, Jayprakash Awasthi, Mohitosh Dey, Sanjib Kumar Panda, and Lingaraj Sahoo
4.1 Introduction 56
4.2 Signaling Components of Abiotic Stress Responses 57
4.3 Decoding Salt Stress Signaling and Transduction Pathways 58
4.3.1 Signal Perception, Sensors, and Signaling in Plant Cells 59
4.3.1.1 Calcium: An Active Sensor for Salt Stress 59
4.3.1.2 Role of IP3 in Signaling Events for Salt Stress 59
4.3.1.3 SOS Pathway A Breakthrough Approach in Deciphering Salt Signaling 60
4.3.1.4 Role of pH in Salt Stress Signaling 61
4.3.1.5 ABA Signaling in Salt Stress 61
4.3.1.6 ROS Accumulation in Salt Stress 61
4.4 Drought Stress Signaling and Transduction Pathways 62
4.4.1 Drought Stress Sensors 63
4.4.1.1 Histidine Kinases (HKs) 63
4.4.1.2 Receptor-Like Kinases (RLK) 64
4.4.1.3 Microtubules as Sensors 65
4.4.2 Drought Signal Transduction 65
4.4.2.1 ABA-Dependent Pathway 66
4.4.2.2 Drought Signal Effector 67
4.5 Cold Stress Signaling and Transduction Pathways 68
4.5.1 Cold Stress Sensors 68
4.5.2 Signal Transduction 69
4.5.2.1 ABA-Independent Pathway Involved in Cold and Drought Stress Responses 69
4.5.2.2 Role of Transcription Factors/Element 70
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