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Chapter 8 Metabolic and hormonal responses of medicinal and aromatic plants to abiotic stress

  • Esra Uçar , Gamze Tüzün , Burak Tüzün ORCID logo and Elyor Berdimurodov
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Medicinal and Aromatic Plants
This chapter is in the book Medicinal and Aromatic Plants

Abstract

Throughout their life cycle, plants are exposed to various biotic and abiotic stresses, such as drought, salinity, low temperatures, and pathogen attacks. In order to survive and adapt, they produce a variety of hormonal and metabolic responses. These responses are shaped by the interaction of genetic and environmental factors, and regulate their fundamental life processes such as growth, development, and reproduction. Plant hormones are chemical signaling molecules that regulate processes such as plant growth, development, environmental adaptation, and stress management. The major plant hormones include auxins, cytokinins, gibberellins, abscisic acid (ABA), ethylene, salicylic acid, and jasmonates. Auxins regulate cell elongation and tropic movements, while gibberellins promote seed germination and flowering. Cytokinins stimulate cell division and delay senescence. ABA plays a crucial role in stomatal closure and water balance under certain stress conditions. Ethylene is involved in processes such as ripening and leaf abscission, whereas jasmonates and salicylic acid activate defense mechanisms. The interactions among these hormones are critical for enabling plants to adapt to environmental conditions and develop optimal growth strategies. Molecular docking calculations have been evaluated to understand plant responses to environmental stress factors such as drought, salinity, and pathogens, as well as to analyze biomolecular interactions. The binding affinities of natural or synthetic compounds with defense proteins (e.g., 1HJO) have been examined, elucidating stress mechanisms, identifying biologically active compounds, and developing innovative strategies to enhance plant stress tolerance.

Abstract

Throughout their life cycle, plants are exposed to various biotic and abiotic stresses, such as drought, salinity, low temperatures, and pathogen attacks. In order to survive and adapt, they produce a variety of hormonal and metabolic responses. These responses are shaped by the interaction of genetic and environmental factors, and regulate their fundamental life processes such as growth, development, and reproduction. Plant hormones are chemical signaling molecules that regulate processes such as plant growth, development, environmental adaptation, and stress management. The major plant hormones include auxins, cytokinins, gibberellins, abscisic acid (ABA), ethylene, salicylic acid, and jasmonates. Auxins regulate cell elongation and tropic movements, while gibberellins promote seed germination and flowering. Cytokinins stimulate cell division and delay senescence. ABA plays a crucial role in stomatal closure and water balance under certain stress conditions. Ethylene is involved in processes such as ripening and leaf abscission, whereas jasmonates and salicylic acid activate defense mechanisms. The interactions among these hormones are critical for enabling plants to adapt to environmental conditions and develop optimal growth strategies. Molecular docking calculations have been evaluated to understand plant responses to environmental stress factors such as drought, salinity, and pathogens, as well as to analyze biomolecular interactions. The binding affinities of natural or synthetic compounds with defense proteins (e.g., 1HJO) have been examined, elucidating stress mechanisms, identifying biologically active compounds, and developing innovative strategies to enhance plant stress tolerance.

Chapters in this book

  1. Frontmatter I
  2. Contents V
  3. Part I: Introduction
  4. Chapter 1 The importance of medicinal and aromatic plants for living things 1
  5. Chapter 2 Methods of obtaining drugs from medicinal and aromatic plants 41
  6. Chapter 3 Challenges encountered in growing medicinal and aromatic plants 119
  7. Chapter 4 Medicinal and aromatic plants that are toxic 155
  8. Part II: Effect of stress factors on medicinal and aromatic plants
  9. Chapter 5 Impact of drought stress on the medicinal and aromatic plants’ biochemistry 197
  10. Chapter 6 Impact of salinity stress on medicinal and aromatic plant biotechnology 229
  11. Chapter 7 Impact of heavy metal on the medicinal and aromatic plants’ biochemistry 265
  12. Chapter 8 Metabolic and hormonal responses of medicinal and aromatic plants to abiotic stress 299
  13. Part III: Pharmaceutical use of medicinal plants
  14. Chapter 9 Medicinal and aromatic plants used in burn treatment 327
  15. Chapter 10 Medicinal and aromatic plants used in respiratory diseases 363
  16. Chapter 11 Medicinal and aromatic plants with antioxidant properties 385
  17. Chapter 12 Medicinal and aromatic plants with antibacterial properties 417
  18. Part IV: Uses of medicinal and aromatic plants in other areas
  19. Chapter 13 Medicinal and aromatic plants used in cosmetics 457
  20. Chapter 14 Edible medicinal and aromatic plants 491
  21. Chapter 15 The mysteries of Moroccan nature: aromatic plants and their therapeutic medicinal properties 513
  22. Chapter 16 The use of medicinal and aromatic plants in aromatherapy 547
  23. Chapter 17 Medicinal and aromatic plants with antioxidant properties 581
  24. Chapter 18 Medicinal and aromatic plants with anti-parasitic properties 611
  25. Chapter 19 Medicinal and aromatic plants used in personal care products 651
  26. Chapter 20 Genotoxic effects of medicinal and aromatic plants 681
  27. Chapter 21 Applicability of start codon targeted (SCoT) polymorphism markers in determining genetic diversity in medicinal and aromatic plants 707
  28. Index 743
https://doi.org/10.1515/9783111469713-008

Chapters in this book

  1. Frontmatter I
  2. Contents V
  3. Part I: Introduction
  4. Chapter 1 The importance of medicinal and aromatic plants for living things 1
  5. Chapter 2 Methods of obtaining drugs from medicinal and aromatic plants 41
  6. Chapter 3 Challenges encountered in growing medicinal and aromatic plants 119
  7. Chapter 4 Medicinal and aromatic plants that are toxic 155
  8. Part II: Effect of stress factors on medicinal and aromatic plants
  9. Chapter 5 Impact of drought stress on the medicinal and aromatic plants’ biochemistry 197
  10. Chapter 6 Impact of salinity stress on medicinal and aromatic plant biotechnology 229
  11. Chapter 7 Impact of heavy metal on the medicinal and aromatic plants’ biochemistry 265
  12. Chapter 8 Metabolic and hormonal responses of medicinal and aromatic plants to abiotic stress 299
  13. Part III: Pharmaceutical use of medicinal plants
  14. Chapter 9 Medicinal and aromatic plants used in burn treatment 327
  15. Chapter 10 Medicinal and aromatic plants used in respiratory diseases 363
  16. Chapter 11 Medicinal and aromatic plants with antioxidant properties 385
  17. Chapter 12 Medicinal and aromatic plants with antibacterial properties 417
  18. Part IV: Uses of medicinal and aromatic plants in other areas
  19. Chapter 13 Medicinal and aromatic plants used in cosmetics 457
  20. Chapter 14 Edible medicinal and aromatic plants 491
  21. Chapter 15 The mysteries of Moroccan nature: aromatic plants and their therapeutic medicinal properties 513
  22. Chapter 16 The use of medicinal and aromatic plants in aromatherapy 547
  23. Chapter 17 Medicinal and aromatic plants with antioxidant properties 581
  24. Chapter 18 Medicinal and aromatic plants with anti-parasitic properties 611
  25. Chapter 19 Medicinal and aromatic plants used in personal care products 651
  26. Chapter 20 Genotoxic effects of medicinal and aromatic plants 681
  27. Chapter 21 Applicability of start codon targeted (SCoT) polymorphism markers in determining genetic diversity in medicinal and aromatic plants 707
  28. Index 743
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