Intro
Preface
Contents
Chapter 1: Hydrogen Sulfide on the Crossroad of Regulation, Protection, Interaction and Signaling in Plant Systems Under Different Environmental Conditions
1.1 Introduction
1.2 Biosynthesis and Role of H2S in Plant System
1.3 H2S and Regulation of Physiological Processes in Plants
1.4 H2S and Protection of Plants Under Stress
1.5 H2S Signaling and Interaction in Plants
1.6 Conclusion
References
Chapter 2: Hydrogen Sulfide: A Road Ahead for Abiotic Stress Tolerance in Plants
2.1 Introduction
2.2 Biosynthesis of H2S in Plants

2.3 Physiological Functions of H2S in Plants
2.4 Effect of H2S on Plants Under Salt Stress
2.5 Response of Plants to H2S Under Drought Stress
2.6 Effect of H2S Under Heavy Metal Stress
2.7 Effect of H2S Under Temperature Stress
2.7.1 Low Temperature Stress
2.7.2 High Temperature Stress
2.8 Conclusion
References
Chapter 3: Functional Interaction of Hydrogen Sulfide with Nitric Oxide, Calcium, and Reactive Oxygen Species Under Abiotic Stress in Plants
3.1 Introduction
3.2 Biosynthesis of H2S in Plants

3.3 Changes in Endogenous Level of H2S in Plants in Response to Stresses
3.3.1 Low Temperature Stress and H2S
3.3.2 High Temperature Stress and H2S
3.3.3 Dehydration Stress and H2S
3.3.4 Salt Stress and H2S
3.3.5 Heavy Metals (HMs) and H2S
3.4 Functional Interactions of H2S with Ca2+ Ions
3.5 Crosstalk of H2S with ROS
3.6 H2S and NO as Interdependent Signal Mediators
3.7 Functional Interaction of H2S with Other Signal Mediators During Adaptive Reactions in Plants
3.8 Conclusions
References

Chapter 4: Hydrogen Sulfide and Redox Homeostasis for Alleviation of Heavy Metal Stress
4.1 Introduction
4.2 Metabolism of H2S in Plants
4.3 Role of H2S in Alleviating Heavy Metal Stress
4.3.1 Abrogation of Al Toxicity in Plants by H2S Application
4.3.2 Abrogation of Cd Toxicity in Plants by H2S Application
4.3.3 Mitigation of As Toxicity in Plants by H2S Application
4.3.4 Mitigation of Cr Toxicity in Plants by H2S Application
4.3.5 Mitigation of Cu Toxicity in Plants by H2S Application
4.3.6 Mitigation of Other Heavy Metal Toxicity in Plants by H2S Application

4.4 Conclusion and Future Perspectives
References
Chapter 5: Effect of Hydrogen Sulfide on Osmotic Adjustment of Plants Under Different Abiotic Stresses
5.1 Introduction
5.2 Metabolism of H2S in Plants
5.3 Roles of H2S in Different Forms of Abiotic Stresses
5.3.1 Drought Stress
5.3.2 Salt Stress
5.3.3 Temperature Stress
5.3.4 Heavy Metal Stress
5.3.5 Other Forms of Stress
5.4 Conclusion and Future Perspectives
References
Chapter 6: Hydrogen Sulfide and Stomatal Movement
6.1 Introduction
6.2 Hydrogen Sulfide and Abscisic Acid in Plants Under Drought and Salinity.