Note: 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 -- 6.3 Hydrogen Sulfide and Light -- 6.3.1 Blue Light -- 6.3.2 Red Light -- 6.3.3 UV-B -- 6.4 Stomatal Conductance and CO2 -- 6.5 Stomatal Conductance and Plant Growth Under Ozone Exposure -- 6.6 Conclusion and Perspectives -- References -- Chapter 7: Hydrogen Sulfide and Fruit Ripening -- 7.1 Introduction -- 7.2 How H2S Is Endogenously Generated in Plant Cells? -- 7.3 Endogenous H2S Metabolism during Fruit Ripening and Potential Beneficial Effects of the Exogenous H2S Application During Postharvest -- 7.4 Conclusion and Future Perspectives -- References -- Chapter 8: Hydrogen Sulfide Impact on Seed Biology Under Abiotic Stress -- 8.1 Introduction -- 8.2 Hydrogen Sulfide Metabolism in Seeds -- 8.3 Hydrogen Sulfide and Germination Capacity -- 8.4 Molecular Mechanisms Controlled by H2S in Germinating Seeds. , 8.4.1 Interplay with ROS, Nitric Oxide, and Antioxidant Defense -- 8.4.2 H2S and Seed Metabolism -- 8.4.3 H2S and Hormone Signaling in the Regulation of Seed Germination -- 8.5 Concluding Remarks and Open Questions -- References -- Chapter 9: Hydrogen Sulfide Signaling in the Defense Response of Plants to Abiotic Stresses -- 9.1 Introduction -- 9.2 Stress by Metals -- 9.3 Salt Stress -- 9.4 Water Stress -- 9.5 Temperature Stress -- 9.6 Interplay Among H2S, Plant Hormones, and Secondary Messengers -- 9.7 Conclusions -- References -- Chapter 10: A Transcriptomic and Proteomic View of Hydrogen Sulfide Signaling in Plant Abiotic Stress -- 10.1 Introduction -- 10.2 Participation of H2S, Polysulfides, and Reactive Sulfur Species in Stress Signaling -- 10.3 The H2S Signaling Network Seen Through Transcriptomics and Proteomics -- 10.3.1 H2S and the Plant-Stress Proteome -- 10.3.2 H2S and the Plant-Stress Transcriptome -- 10.4 Conclusion -- References -- Chapter 11: Cysteine and Hydrogen Sulfide: A Complementary Association for Plant Acclimation to Abiotic Stress -- 11.1 Introduction -- 11.2 Homeostasis of Cys and H2S -- 11.2.1 Regulation of Cys Homeostasis -- 11.2.2 Regulation of H2S Homeostasis -- 11.3 Involvement of H2S and Cys in Plant Adaptive Responses to Abiotic Stresses -- 11.4 Mode of Action of H2S and Cys Under Abiotic Stresses -- 11.4.1 Mode of Action of H2S in Abiotic Stress Tolerance of Plants -- 11.4.1.1 Interaction of H2S with Other Signaling Molecules -- 11.4.1.2 H2S and Persulfidation -- 11.4.2 Mode of Action of Cys in Abiotic Stress Tolerance of Plants -- 11.4.2.1 Cys and Glutathione in the Cellular Redox Homeostasis -- 11.4.2.2 Cys and Phytochelatins -- 11.4.2.3 Cys and Metallothioneins -- 11.5 Conclusions -- References -- Chapter 12: Hydrogen Sulfide and Posttranslational Modification of Proteins: A Defense Strategy Against Abiotic Stress. , 12.1 Introduction -- 12.2 Protein Persulfidation and Detection Methods in Plants -- 12.3 Protein Persulfidation and H2S in Plants -- 12.4 Protein Persulfidation in Plant Adaptive Responses to Abiotic Stress -- 12.4.1 Antioxidant Defense System -- 12.4.2 Autophagy -- 12.4.3 Stomatal Closure -- 12.5 The Crosstalk of H2S with Other Signaling Molecules and Protein Persulfidation -- 12.5.1 Crosstalk of H2S and NO in Relation to Persulfidation -- 12.5.2 Crosstalk of H2S and ROS in Relation to Persulfidation -- 12.6 Conclusions and Future Perspectives -- References -- Index.