The Role of Growth Regulators and Phytohormones in Overcoming Environmental Stress

1st Edition - May 3, 2023
Editors: Anket Sharma, Sangeeta Pandey, Renu Bhardwaj, Bingsong Zheng, Durgesh Kumar Tripathi
Language: English
Paperback ISBN:
9 7 8 - 0 - 3 2 3 - 9 8 3 3 2 - 7
eBook ISBN:
9 7 8 - 0 - 3 2 3 - 9 8 3 5 4 - 9

The Role of Growth Regulators and Phytohormones in Overcoming Environmental Stress is a comprehensive resource on all major PGRs. These include auxins, cytokinins, jasmon… Read more

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The Role of Growth Regulators and Phytohormones in Overcoming Environmental Stress is a comprehensive resource on all major PGRs. These include auxins, cytokinins, jasmonates, polyammines, plant growth promoting rhizobacteria (PGPR), and more. In the last two decades, researchers have explored a lot about the roles of plant growth regulators (PGRs) in boosting the resistance of plants under stress conditions. These PGRs acts as stimulators for various physiological processes by regulating key cell signaling pathways. This title is an essential read for any scientist wanting to understand the latest advances in combatting abiotic stresses using plant growth regulators.

In the present era, plants are facing a lot of challenges during their lifecycle, including growth declines due to abiotic stress. The main abiotic stresses threatening plants are water scarcity, salinity, extreme temperatures, heavy metals and pesticides. These stresses directly or indirectly cause toxicity to plants, causing hindrance to their growth and development, and ultimately reduce plant productivity.

Cover image
Title page
Table of Contents
Copyright
List of contributors
Chapter 1. Regulation of cell signaling in response to abiotic stresses in plants
1. Introduction
2. Plant exposure to abiotic stress and stress combinations—signal perception and transduction pathways
3. ROS-induced oxidative stress and redox signaling in plant abiotic stress responses
4. Integration of ROS and calcium signaling in stress acclimation
5. ROS and stress hormones interplay during abiotic stress and stress combinations
6. Concluding remarks
Chapter 2. Redox homeostasis in response to abiotic stresses in plants
1. Introduction
2. Cell's initial response to abiotic stress: role of reactive oxygen species (ROS) and redox signaling
3. ROS signaling pathways in response to abiotic stress
4. Redox signaling in different cellular compartments
5. Significance of redox homeostasis in plants
6. Conclusion and perspectives
Chapter 3. Role of auxins in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Auxin biosynthesis
3. Biosynthesis of IAA from the IPA pathway
4. Biochemical mechanisms of the TAA-catalyzed reaction
5. Biosynthesis of IAA from the IAOx pathway in arabidopsis
6. Auxin in abiotic stress
7. Molecular regulation of the biosynthesis and secretion of auxins during abiotic stress
8. Role of auxin in plants
9. Secretion and transport of auxin
10. Conclusion
Chapter 4. Role of abscisic acid in regulating plant's physiological and molecular aspects under abiotic stress
1. Introduction
2. Phytohormone's signaling and their functions in growth and defense
3. Abscisic acid and its functions
4. Biosynthesis of abscisic acid
5. Role of phytohormones under drought stress conditions
6. ABA and drought stress
7. Pathway engineering for ABA to generate drought-tolerant crop plants
8. Amelioration of drought stress by exogenous application of ABA under drought condition
9. Conclusion and future perspectives
Chapter 5. The role of arbuscular mycorrhizal fungi (AMF) in rhizosphere soil and plant growth regulation
1. Introduction
2. Factors that affect mycorrhizal symbiosis
3. Benefits of AMF in sustainable agriculture
4. The role of mycorrhizal fungi in provision of plant nutrients
5. Preparation of AMF inoculum
6. Conclusion
Chapter 6. Role of ethylene in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. The effects of ethylene
3. Examining the effects of ethylene under environmental stresses
4. Conclusion
Chapter 7. Role of jasmonates in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. JA biosynthesis under abiotic stress conditions
3. Jasmonic acid (JA) perception and signaling transduction under abiotic stress conditions
4. JA and the associated physiological responses in plants
5. Involvement of JA in plants’ abiotic stress responses
6. Molecular aspects and crosstalk mechanism of JA with other phytohormones under abiotic stress
7. Conclusion
Chapter 8. Role of salicylic acid in the regulation of physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Signaling and metabolism of salicylic acid under redox conditions
3. SA and regulation of physiological processes in plants under abiotic stress
4. SA-mediated reactive oxygen species (ROS) detoxification under abiotic stress
5. Molecular mechanism of regulation of SA-mediated defense system under abiotic stress
6. Future perspectives and conclusion
Chapter 9. Role of brassinosteroids in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. BRs metabolism
3. Roles of BRs on plants responses to environmental stresses
4. Cross-talk between BRs and other plant hormones
5. Conclusion
Chapter 10. Role of nitric oxide in regulating physiological and molecular aspects of plants under abiotic stresses
1. Introduction
2. Nitric oxide: a new plant hormone?
3. Function of nitric oxide in plants under abiotic stresses
4. Nitric oxide and abiotic stresses
5. Conclusion
Chapter 11. Role of melatonin in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Functions of melatonin
3. Melatonin impact on plant growth and physiology
4. Melatonin role as bio-stimulator and antioxidant in plants
5. Melatonin and regulation of gene expression
6. Conclusion
Chapter 12. Role of polyamines in regulating physiological and molecular responses of plants under abiotic stress
1. Introduction
2. Different types of polyamines and their metabolism
3. Abiotic stress adversities and plant growth
4. Alleviating abiotic stress by polyamines
5. Genetic mechanism of alleviating stress adversities by polyamines
6. Genetic engineering of polyamines pathways for abiotic stress tolerance
7. Conclusion and future perspectives
Chapter 13. Role of low molecular organic acids in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Biosynthesis of organic acids
3. Secretion of organic acids
4. Role of organic acids
5. Role of organic acids during abiotic stress
6. Physiological responses of organic acids during abiotic stress
7. Organic acids as photosynthetic intermediates
8. Exudation of organic acids regulates several responses in plants
9. Molecular regulation of biosynthesis and secretion of organic acids during abiotic stress
10. Conclusion
Chapter 14. Role of proline in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Proline: the most excellent osmolyte
3. Behaviors of plants exposed to salt stress under exogenous proline presence
4. Causal enzymology directs membran integrity in response to salt stress
5. Bridging between several transcription, signaling factors, and proline metabolism
6. Conclusions and remarks
Chapter 15. Role of glycine betaine in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Biosynthesis of GB
3. Regulation of GB biosynthesis
4. Physiological role of GB in abiotic stress tolerance
5. GB treatment in postharvest handling of fruits and vegetables
6. Transgenic expression of GB biosynthesis genes
7. Exogenous application of GB for enhancing abiotic stress tolerance
8. Transcriptome profiling
9. Challenges and future prospects
Chapter 16. Role of sugars in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Key sugar molecules in plants
3. Role of sugar transporters on plant growth and development
4. Sugar signaling pathways in regulation of physiological processes under abiotic stress
5. Regulating function of sugar in response to abiotic stress
6. Conclusion and perspective
Chapter 17. Role of plant growth promoting rhizobacteria (PGPR) in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Plant growth-promoting rhizobacteria
3. PGPRs and drought tolerance
4. PGPRs and salt tolerance
5. Conclusion and future prospects
Chapter 18. Role of arbuscular mycorrhizas in regulating physiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Arbuscular mycorrhizal symbiosis with plants and its importance
3. Role of arbuscular mycorrhizal fungi in plant nutrition
4. Role of AMF in abiotic stress
5. Conclusion and prospects
Chapter 19. Role of endophytic bacteria in regulating phsiological and molecular aspects of plants under abiotic stress
1. Introduction
2. Endophytic bacteria diversity
3. Plant- endophytic interaction
4. Role of endophytic bacteria in alleviating abiotic stress in plants
5. Molecular mechanism of endophytic bacteria in alleviating abiotic stress in plants
6. Conclusion
Index

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The Role of Growth Regulators and Phytohormones in Overcoming Environmental Stress

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Anket Sharma

Sangeeta Pandey

Renu Bhardwaj

Bingsong Zheng

Durgesh Kumar Tripathi