Revolutionize your agricultural impact with this guide to mastering the dual-power of siderophores, the essential bio-based alternative to chemical fertilizers and pesticides.
Table of ContentsPreface
1. Overview of Siderophores: Types and FunctionsRahul Kumar, Ayush Madan, Edward Terhemen Akange, Rachan Karmakar and Debasis Mitra
1.1 Introduction to Siderophores
1.1.1 Importance of Iron in Biological Systems
1.1.2 Role of Siderophores in Iron Acquisition
1.1.3 Overview of Siderophore-Producing Organisms’ Ecological and Biotechnological Implications
1.2 Types of Siderophores and Classification Based on Chemical Structure
1.3 Classification Based on Origin
1.3.1 Bacterial Siderophores
1.3.2 Fungal Siderophores
1.3.3 Plant Siderophores
1.3.4 Marine and Other Siderophores
1.4 Biosynthesis of Siderophores
1.4.1 Hydroxamate Siderophores
1.4.2 Catecholate Siderophores
1.4.3 Carboxylate Siderophores
1.4.4 Regulation of Siderophore Biosynthesis
1.5 Role of Siderophores in Various Fields
1.5.1 Role of Siderophores in Medicine
1.5.2 Siderophore-Based Drug Delivery
1.5.3 Siderophores in Cancer Treatment
1.5.4 Role of Siderophores in Agriculture
1.5.5 Role of Siderophores in Biotechnology
1.5.6 Role of Siderophores in Environmental Science
1.6 Iron Transport Systems in Microorganisms through Siderophores
1.6.1 ABC Transporters
1.6.2 Siderophore–Fe³+ Complex Internalization
1.6.3 Siderophore-Mediated Iron Transport in Fungi and Plants
1.7 Uses of Siderophores in Various Sectors
1.7.1 Medical Applications of Siderophores
1.7.2 Siderophore-Mediated Drug Delivery
1.7.3 Agricultural Applications of Siderophores
1.7.4 Biocontrol of Plant Pathogens
1.7.5 Biotechnology and Industrial Applications
1.7.6 Environmental Applications of Siderophores
1.7.7 Materials Science and Nanotechnology
1.8 Siderophores in Human Health and Disease
1.8.1 Siderophore-Dependent Virulence Mechanisms
1.9 Recent Advances and Future Directions in Siderophore Research
1.9.1 Genetic and Metabolic Engineering of Siderophore Production
1.9.2 Targeting Siderophore Pathways in Antimicrobial Therapy
1.10 Future Directions in Siderophore Research
References
2. Microbial Siderophores and Their Role in Plant–Microbe InteractionsK. Kamesh Krishnamoorthy
2.1 Introduction
2.2 Diverse Roles of Siderophores
2.3 Classification of Siderophore Types Based on Chemical Composition
2.3.1 Catecholate-Type Siderophores
2.3.2 Hydroxamate-Type Siderophores
2.3.3 Carboxylate-Type Siderophores
2.4 Classification of Siderophores Based on Producer Organism
2.4.1 Bacterial Siderophores
2.4.2 Fungal Siderophores
2.5 Role of Siderophores in Plant–Microbe Interactions
2.5.1 Plant Disease Suppression
2.5.2 Plant Stress Mitigation
2.5.3 Plant Nutrient Status Improvement
2.6 Factors Influencing Siderophore Production by Microbes
2.7 Conclusion
Bibliography
3. Siderophores in the Rhizosphere: Enhancing Plant Nutrition and GrowthBeatriz Elena Guerra Sierra and Alvaro Jose Hernández Tasco
3.1 Introduction
3.2 Iron: Essential Micronutrient and Its Soil Chemistry Challenges
3.3 Siderophores as Mediators of Nutrient Availability
3.4 Impact of Siderophores on Plant Growth and Health
3.5 Microbial Siderophores and Their Importance to Plants
3.6 Research on Bacterial Siderophore Production (PGPR and Endophytes)
3.7 Mycorrhizal Fungi and Their Role in Siderophore Production
3.8 Application of Siderophore-Producing Microorganisms in Agriculture: A Compendium of Recent Case Studies
3.9 Limitations and Future Perspectives
3.10 Conclusions
Bibliography
4. Biosynthesis and Regulation of Siderophores in MicroorganismsOyindamola John Samson, Racheal Oluwayemisi Fashogbon, Stephen Olaosebikan Makanjuola, Moses Sunday Afariogun, Jamiu Oluwatosin Adeyemi and Ismail Babatunde Onajobi
4.1 Introduction
4.2 Structural Diversity and Classification of Siderophores
4.2.1 Chemical Composition and Structural Features
4.2.2 Major Classes of Siderophores
4.2.2.1 Catecholates
4.2.2.2 Hydroxamates
4.2.2.3 Carboxylates
4.2.2.4 Mixed-Type Siderophores
4.3 Biosynthetic Pathways of Siderophores
4.3.1 Non-Ribosomal Peptide Synthetase Pathway
4.3.2 NRPS-Independent Siderophore Pathway
4.3.3 Important Enzymes Involved in Siderophore Biosynthesis
4.3.4 Biosynthetic Pathways of Specific Siderophores
4.4 Regulation of Siderophore Production
4.4.1 Iron-Dependent Regulation
4.4.2 Iron-Independent Regulation
4.4.3 Post-Transcriptional Regulation
4.5 Siderophores in Microbial Ecology and Pathogenesis
4.5.1 Role in Microbial Communities and Competition
4.5.2 Siderophores as Virulence Factors in Pathogens
4.5.3 Siderophore Piracy and Cheating in Microbial Populations
4.6 Biotechnological Applications of Siderophores
4.6.1 Siderophores in Agriculture and Bioremediation
4.6.2 Medical Applications: Drug Delivery and Antimicrobial Strategies
4.6.3 Industrial Applications of Siderophores
4.7 Conclusion
References
5. Iron Chelation and Transport Mechanisms in Plants Mediated by SiderophoresManjoo Rani, Saty Dev, Ayush Madan, Nand Kumar Singh and Kartik Singh
Abbreviations
5.1 Introduction
5.1.1 Challenges of Iron Bioavailability in Soil
5.2 Types of Siderophores
5.2.1 Catecholate Siderophores
5.2.2 Hydroxamate Siderophores
5.2.3 Carboxylate Siderophores
5.2.4 Ammonia-Based Siderophores
5.2.5 Mixed-Type Siderophores
5.3 Biochemical Pathways Involved in Siderophore Synthesis
5.3.1 Catecholate Siderophores
5.3.2 Hydroxamate Siderophores
5.3.3 Carboxylate Siderophores
5.3.4 Ammonia-Based Siderophores
5.3.5 Microbial Sources of Siderophores Relevant to Agriculture
5.4 Iron Chelation and Uptake Mechanisms in Plants
5.4.1 Mechanisms of Iron Chelation by Siderophores
5.4.2 Transport of Iron–Siderophore Complexes into Plant Systems
5.4.3 Transport into Root Cells
5.4.4 Proton-Coupled Symporters
5.4.5 Transport Across the Root Cortex
5.4.6 Apoplastic Transport
5.4.7 Reduction and Mobilization of Iron in Plant Cells
5.4.8 Role of Siderophore-Mediated Iron Transport in Plant Development
5.4.9 Molecular and Genetic Insights into Plant Iron Uptake Systems
5.4.10 Iron Deficiency Signaling and Regulation in Plants
5.5 Regulation of Siderophore Production
5.5.1 Root Hair and Rhizosphere Interaction for Iron Acquisition
5.5.2 Iron Mobilization across Tissues
5.6 Applications in Agriculture
5.6.1 Enhancing Crop Yield and Soil Fertility through Siderophore-Mediated Iron Acquisition
5.6.2 Control and Disease Resistance Mediated by Siderophores
5.6.3 Iron Sequestration and Limitation
5.6.4 Direct Antimicrobial Activity
5.6.5 Siderophore-Mediated Indirect Disease Resistance
5.6.6 Induced Systemic Resistance
5.6.7 Quorum Sensing and Biofilm Formation
5.6.8 Practical Applications of Siderophore-Mediated Biocontrol
5.6.9 Inoculants and Biofertilizers
5.6.10 Challenges and Future Directions
5.7 Future Perspectives and Challenges
5.8 Conclusions
Bibliography
6. Influence of Siderophores on Plant Stress ToleranceRahul Kumar, Debasis Mitra, Yousef Rasmi, Ayush Madan, Rachan Karmakar and Snežana Adjelković
6.1 Introduction
6.1.1 Role of Siderophores in Enhancing Stress Tolerance
6.1.2 Siderophores and Iron Homeostasis in Plants
6.1.3 Siderophores and Plant Stress Tolerance
6.2 Types of Siderophores Involved in Plant Stress Tolerance
6.3 Mechanisms of Action of Siderophores in Stress Tolerance in Plants
6.3.1 Iron Acquisition and Nutrient Mobilization
6.3.2 Oxidative Stress Mitigation
6.3.3 Detoxification of Heavy Metals
6.3.4 Suppression of Plant Pathogens
6.3.5 Support for Drought and Salinity Tolerance
6.3.6 Modulation of Plant Hormone Levels
6.3.7 Contribution to Soil Health and Microbial Community Structure
6.3.8 Siderophores in Sustainable Agriculture
6.3.9 Enhancing Nutrient Availability
6.3.10 Promoting Plant Growth
6.3.11 Mitigating Abiotic Stress
6.3.12 Suppressing Biotic Stress
6.3.13 Supporting Soil Health and Microbial Diversity
6.3.14 Reducing Reliance on Chemical Inputs
6.3.15 Applications and Future Perspectives
6.4 Case Studies and Experimental Evidence
6.4.1 Siderophore-Producing Microbes in Rice Cultivation
6.4.2 Role of Siderophores in Biocontrol of Soil-Borne Pathogens
6.4.3 Siderophores in Heavy Metal Detoxification
6.4.4 Siderophore-Mediated Drought Tolerance in Crops
6.4.5 Siderophores in Salt Stress Mitigation
6.4.6 Siderophores in Improving Soil Fertility and Microbial Health
6.5 Various Types of Challenges and Limitations of Siderophores in Agricultural Applications
6.5.1 Production Costs and Efficiency
6.5.2 Soil Complexity and Environmental Variability
6.5.3 Microbial Competition and Ecological Imbalance
6.5.4 Limited Understanding of Plant–Siderophore Interactions
6.5.5 Regulatory and Safety Concerns
6.5.6 Scalability and Commercial Viability
6.6 Future Directions and Research Opportunities in Siderophores for Agriculture
6.6.1 Enhancing Siderophore Production for Commercial Viability
6.6.2 Understanding Siderophore-Mediated Plant–Microbe Interactions
6.6.3 Exploring the Role of Siderophores in Abiotic Stress Tolerance
6.6.4 Exploring Siderophore-Producing Microbes as Biocontrol Agents
6.6.5 Microbial Ecology and Siderophore Dynamics in the Rhizosphere
6.6.6 Field-Scale Trials and Commercialization of Siderophore-Based Products
6.6.7 Regulatory and Safety Assessment
References
7. Siderophores as Biofertilizers: Enhancing Nutrient AvailabilitySanya Sharma, Rachan Karmakar, Ayush Madan, Dilfuza Jabborova, Rahul Kumar and Debasis Mitra
7.1 Introduction
7.1.1 Role of Siderophores for Mobilizing
7.1.2 Influence of Soil Properties on the Effectiveness of Siderophores
7.2 Siderophore-Producing Microorganisms in Agriculture
7.3 Symbiotic and Non-Symbiotic Relationships with the Plants
7.4 Improvement of Soil Fertility and Plant Health Through Microbial Inoculation
7.5 Mechanisms of Action of Siderophores as Biofertilizers
7.5.1 Interaction of Siderophores with Plant Root Systems
7.5.2 Role in Increased Root Development
7.6 Siderophores Variants and Efficiency of Biofertilizers
7.6.1 Catecholates
7.6.2 Hydroxamates
7.6.3 Carboxylates
7.7 Field Application of Siderophore-Based Biofertilizers
7.8 Soil, Seed, and Foliar Application
7.9 Environmental Factors Affecting Siderophore-Based Biofertilizers
7.10 Case Studies: Applications of Siderophore-Based Biofertilizers
7.11 Relative Efficiencies of Siderophores in Different Agricultural Systems
7.12 Recent Field and Greenhouse Experiments
7.13 Applications of Siderophores As Biofertilizers
7.13.1 Chemical Fertilizer Use Reduction
7.13.2 Soil Fertility and Microbial Diversity
7.13.3 Crop Production and Quality Enhancement
7.14 Challenges and Limiting Factors
7.15 Future Research Directions and Prospects
7.16 Conclusion
References
8. Siderophores in Biocontrol of Insects: Suppressing Insects and Enhancing Plant DefenseBimal Kumar Sahoo, Ansh Raj, Ipsita Samal, Deepak Kumar Mahanta and Tanmaya Kumar Bhoi
8.1 Introduction
8.2 Siderophore and Their Mode of Action
8.3 Insect Pathogenic Microorganisms Producing Siderophores
8.3.1 Bacteria
8.3.2 Fungi
8.4 Molecular Mechanisms of Siderophores Activity against Insect Pests
8.5 Interaction of Siderophores with Fungal and Insect Physiology
8.6 Siderophores in Plant Growth, Development, and Defense Mechanisms
8.7 Siderophore-Mediated Insect Defense against Entomopathogens
8.8 Challenges and Future Scope
8.9 Conclusion
References
9. Formulation and Delivery Systems for Siderophore-Based ProductsS. Neelufar Shama, K.R. Prasanna, Joshna Avula and Divya Suneesh
9.1 Introduction
9.2 Advantages of Siderophore-Based Products
9.3 Mechanisms of Action
9.3.1 Iron Chelation and Nutrient Uptake
9.3.2 Microbial Interactions and Soil Health
9.3.3 Biocontrol of Pathogens
9.3.4 Induced Systemic Resistance (ISR)
9.3.5 Synergy with Other Fertilizers and Biocontrol Agents
9.4 Types of Siderophore-Based Products
9.5 Key Principles in Formulating Siderophore-Based Products
9.5.1 Microbial Selection and Optimization
9.5.2 Extraction and Purification
9.5.3 Stabilization
9.5.4 Delivery Systems
9.6 Importance of Formulating Siderophore-Based Products
9.6.1 Enhancing Bioavailability and Stability
9.6.2 Broadening Applications in Agriculture
9.6.3 Enabling Cost-Effective Delivery
9.7 Innovative Siderophore-Based Products in the Market
9.8 Applications of Siderophore-Based Products
9.9 Delivery Systems for Siderophore-Based Products
9.9.1 Importance of Delivery Systems
9.9.1.1 Delivery Systems for Siderophore-Based Products
9.9.1.2 Liquid Formulations
9.9.1.3 Granular Formulations
9.9.1.4 Seed Coatings and Pellets
9.9.1.5 Encapsulation and Controlled-Release Systems
9.9.1.6 Nanotechnology-Based Delivery Systems
9.9.1.7 Hydrogel-Based Systems
9.9.1.8 Biodegradable Polymers
9.10 Challenges and Future Directions
9.10.1 Challenges in Delivery Systems
9.10.1.1 Stability and Shelf Life of Siderophores
9.10.1.2 Controlled and Sustained Release
9.10.1.3 Soil and Environmental Compatibility
9.10.1.4 Cost and Scalability
9.10.1.5 Environmental Impact and Residues
9.11 Future Directions
9.12 Conclusion
References
10. Genetic Engineering of Microbes for Enhanced Siderophore ProductionRajdip Goswami, Bhaskar Pal, Arunava Ghosh, Kushal Roychoudhuri, Pinki Biswas, Biswajit Basu and Saikat Santra
10.1 Introduction
10.2 Understanding Siderophore Biosynthesis Pathways
10.2.1 Crucial Enzymes for Siderophore Production
10.2.2 Control of Siderophore Synthesis Pathways
10.2.3 Natural Diversity in Microbial Siderophore Synthesis
10.3 Genetic Engineering Techniques for Siderophore Enhancement
10.3.1 CRISPR-Cas9-Mediated Genetic Editing
10.3.1.1 Siderophore Enhancement
10.3.1.2 Activation of Silent Pathways
10.3.1.3 Pathway Optimization
10.3.1.4 Introduction of Beneficial Mutations
10.3.1.5 Strain Engineering for Industrial Use
10.4 Metabolic Engineering of Siderophore Pathways
10.5 Synthetic Biology Approaches for Siderophore Optimization
10.5.1 Pathway Construction and Engineering
10.5.2 Optimization of Biosynthetic Gene Clusters
10.5.3 Metabolic Flux Control
10.5.4 Engineering of Regulatory Networks
10.5.5 Development of Hybrid and Chimeric Siderophores
10.5.6 Synthetic Consortia for Siderophore Production
10.6 Enhancing Siderophore Production in Different Microbes
10.6.1 Bacterial Species
10.6.2 Fungal Species
10.7 Application of Engineered Microbes in Agriculture
10.7.1 Use of Biofertilizer
10.7.1.1 Enhancement of Soil Fertility
10.7.1.2 Nitrogen Fixation
10.7.1.3 Phosphorus Solubilization
10.7.1.4 Organic Matter Decomposition
10.7.2 Synergistic Benefits of the Biological Hybrid Biofertilizers and Engineered Microbes
10.7.2.1 Nutrient Efficiency and Crop Yield
10.7.2.2 Soil Health and Microbial Diversity
10.7.2.3 Pathogen Reduction Strategies
10.7.2.4 Abilities and Resistance to Stress
10.7.2.5 Concern Over the Environment
10.7.2.6 Protection of the Climate by Carbon Sequestration
10.7.2.7 Role in Biocontrol Against Plant Pathogens
10.7.3 Producing Antimicrobial Agents
10.7.3.1 Competitive Exclusion
10.7.3.2 Induced Systemic Resistance
10.7.3.3 Enhanced Stress Tolerance
10.7.3.4 Biodegradation of Pathogen Residues
10.8 Field Trials and Real-World Applications
10.8.1 Application to Real-Life Situations
10.8.1.1 Commercial Inoculants
10.8.1.2 Integrated Pest Management
10.8.1.3 Activation and Remediation of Contaminated Soil
10.8.1.4 Environmental Initiative and Sustainable Agriculture
10.9 Challenges and Limitations
10.9.1 Biosafety and Regulatory Hurdles
10.9.2 Potential Ecological Impacts
10.9.3 Economic Viability and Scalability
10.10 Future Directions in Genetic Engineering for Siderophore Production
10.10.1 Innovations in Gene Editing Tools
10.10.2 Integrating Multi-Functional Traits
10.10.3 Potential for Commercialization and Global Agricultural Impact
10.11 Conclusion
References
11. Integrated Approaches: Combining Siderophores with Other Microbial AgentsVedant Gautam, Vibhootee Garg, Jaywardhan Singh Khichi and Shreyashi Singh
11.1 Introduction
11.1.1 Principal Functions of Siderophores
11.2 Synthesis and Secretion of Siderophores
11.2.1 Synthesis
11.2.2 Secretion
11.3 Integration of Siderophores with Other Microbial Organisms
11.3.1 Siderophore-Producing Rhizobacteria
11.3.2 Development of Siderophore-Conjugated Antibiotics
11.3.2.1 Cefiderocol and Its Mechanism in Pseudomonas Syringae Management
11.3.2.2 Efficacy against Pseudomonas Syringae
11.3.3 Challenges and Resistance Mechanisms
11.3.3.1 Adaptive Resistance in Target Bacteria
11.3.4 Future Directions for Overcoming Resistance
11.4 Biocontrol Applications in Agriculture
11.4.1 Enhancing Plant Growth with Siderophores
11.4.2 Suppression of Phytopathogens
11.4.2.1 Mechanism of Pathogen Suppression
11.4.2.2 Examples of Successful Biocontrol Agents
11.5 Bioremediation of Environmental Pollutants
11.5.1 Metals
11.5.2 Petroleum Hydrocarbons
11.5.3 Nuclear Fuel Reprocessing
11.5.4 Optical Biosensor
11.5.5 Bio-Bleaching of Pulps
11.5.6 Enhancing Siderophore Production for Improved Biodegradation
11.5.7 Limitations
References
12. Challenges and Opportunities in the Commercialization of Siderophore-Based ProductsSiya Sharma, Prerna Sutar, Bipin Sati, Durgesh Pant and Subhajit Basu
12.1 Introduction
12.2 Siderophores: Opportunities and Challenges in Commercialization
12.2.1 Role and Applications of Siderophores
12.2.1.1 Agriculture
12.2.1.2 Food Industry
12.2.1.3 Bioremediation
12.2.1.4 Medicine and Pharmacology
12.3 Challenges and Strategies for Siderophore Commercialization
12.4 Future Opportunities and Conclusion
References
13. Field Trials and Case Studies of Siderophore Applications in CropsPriya Chugh, Rahul Kumar, Divya Gunsola and Apaarna
13.1 Introduction
13.2 Mechanism of Siderophore in Plant Nutrition
13.2.1 Siderophore Synthesis and Secretion and Fe³+ Chelation
13.2.2 Uptake of Iron–Siderophore Complexes
13.2.3 Iron Release
13.3 Application of Siderophore: Field Trials
13.3.1 Wheat
13.3.2 Potato
13.3.3 Oil Seed Crops
13.3.4 Intercropping
13.3.5 Legumes
13.3.6 Effect on Plant Disease Reduction
13.3.7 Solanum Species
13.3.8 Rice
13.3.9 As Herbicides
13.4 Challenges and Future Perspective
13.5 Conclusion
References
14. Siderophores in Various Agroecosystems: From Theory to PracticeRahul Gogoi, Abhisek Rath, Ratrismita Chetia, Jitul Bora, Madhurjya Ranjan Sharma and Sudipta Sankar Bora
14.1 Introduction
14.2 Siderophore Production and Regulation
14.2.1 Types of Siderophores
14.3 Microorganisms Involved in Siderophore Production
14.4 Regulation of Siderophore Production
14.5 Siderophores’ Function in Plant–Microbe Communication
14.6 Siderophores in Diverse Agroecosystems
14.6.1 Agricultural Soils
14.6.2 Forest Ecosystems
14.6.3 Grasslands and Pasture Systems
14.6.4 Organic and Integrated Farming Systems
14.7 Applications of Siderophores in Agriculture
14.8 Conclusion
References
15. Emerging Trends and Future Directions in Siderophore ResearchDevi Chhatrodiya, Bhagyashri Lalwani, Mital D. Jasani and Jignesh H. Kamdar
15.1 Introduction
15.1.1 Significance and Importance of Siderophore Research
15.2 Current State of Siderophore Research
15.2.1 Overview of Current Understanding of Siderophore Biology and Chemistry
15.2.2 Siderophores: Production, Characterization, and Applications
15.3 Emerging Trends in Siderophore Research
15.3.1 Siderophore Research: Genomics, Bioinformatics, and Synthetic Biology Approaches
15.3.2 Siderophore-Inspired Materials and Microbe–Host Interactions
15.3.3 Siderophore-Based Therapeutics and Diagnostics
15.4 Future Directions in Siderophore Research
15.4.1 Siderophore Regulation, Signaling, and Environmental Sustainability
15.4.2 Siderophore-Based Innovations for Bioremediation and Antibiotic Resistance
15.4.3 Integrating Siderophore Research with Other Disciplines
15.5 Challenges and Opportunities
15.5.1 Scaling Siderophore Production: Overcoming Challenges and Regulatory Concerns
15.5.2 Translating Siderophore Research: Collaborative Approaches and Practical Applications
15.6 Conclusion
References
16. Siderophores as Key Players in Sustainable AgricultureIbrahim Isse Ali and Ali Hussein Ahmed
16.1 Introduction
16.2 Siderophore Production: A Key Factor in Plant-Pathogen Growth and Virulence
16.3 Role of Siderophores in Soil Health and Fertility
16.4 Biological Control of Plant Diseases Through Siderophores
16.5 The Importance of Siderophores in Advancing Climate-Smart Agriculture
16.6 Conclusion and Future Directions
References
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