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Advances in microbe-assisted phytoremediation of polluted sites
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Amsterdam :
Elsevier,
2022.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front cover
- Half title
- Full title
- Copyright
- Contents
- Contributors
- PART 1
- Overview of microbe-assisted phytoremediation
- Chapter 1
- Microbe-assisted phytoremediation of environmental contaminants
- 1.1 Introduction
- 1.2 Environmental contaminants: Types, nature, and sources
- 1.3 Impact of environmental contaminants on the environment and human health
- 1.4 Plant-microbe association/interaction and its role in phytoremediation of environmental contaminants
- 1.4.1 Phytoremediation of organic and inorganic contaminants
- 1.4.2 Phytoremediation of wastewater
- 1.4.3 Role of constructed wetlands in treatment of wastewaters
- 1.5 Mechanisms involved in the phytoremediation of environmental contaminants
- 1.5.1 Phytostabilization
- 1.5.2 Phytovolatilization
- 1.5.3 Phytodegradation
- 1.5.4 Phytoaccumulation
- 1.5.5 Phytoextraction
- 1.5.6 Rhizoremediation
- 1.5.6.1 Plant growth promoting rhizobacteria (PGPR)
- 1.5.6.2 Arbuscular mycorrhizal fungi
- 1.6 Economic importance of microbe assisted phytoremediation of environmental contaminants
- 1.7 Conclusion
- References
- Chapter 2
- Microbial augmented phytoremediation with improved ecosystems services
- 2.1 Introduction
- 2.2 Concept of phytoremediation
- 2.3 Need of augmentation of substances in phytoremediation
- 2.3.1 Chemical augmentation
- 2.3.2 Biological augmentation
- 2.4 Role of microbes in soil ecosystem
- 2.4.1 Nutrient bioavailability in the soil
- 2.4.2 Contaminant bioavailability in the soil
- 2.4.3 Stress tolerance
- 2.4.3.1 Role of microbes in plants tolerance to drought
- 2.4.3.2 Role of microbes in plants tolerance to salinity stress
- 2.4.3.3 Role of microbes in plants tolerance to temperature stress
- 2.4.4 Biocontrol of pathogens
- 2.4.5 Microbes enhances overall plant growth.
- 2.5 Mechanism of microbe-assisted phytoremediation
- 2.6 Conclusion and future recommendation
- References
- Chapter 3
- Role of genetic engineering in microbe-assisted phytoremediation of polluted sites
- 3.1 Introduction
- 3.2 Microbe-assisted phytoremediation
- 3.2.1 Mechanism of phytoremediation using microorganism
- 3.2.1.1 Direct mechanism
- 3.2.1.2 Indirect mechanism
- 3.2.2 Advantages of microbe-assisted phytoremediation
- 3.3 Genetic engineering of microbes for assisting phytoremediation
- 3.3.1 Plant growth-promoting bacteria
- 3.3.2 Rhizospheric bacteria
- 3.3.3 Endophytic bacteria
- 3.4 Genetic engineering of plants for microbe-assisted phytoremediation
- 3.4.1 Engineering plants to enhance growth
- 3.4.2 Rhizosphere competence
- 3.4.3 Examining effects of the root targeted modification
- 3.5 Conclusions and future prospects
- Acknowledgments
- References
- Chapter 4
- Phytoremediation potential of genetically modified plants
- 4.1 Introduction
- 4.2 Heavy metal contamination
- 4.3 Technologies used in the remediation of HMs
- 4.3.1 Excavation
- 4.3.2 Composting
- 4.3.3 Electrokinetic remediation (EKR)
- 4.3.4 Bioreactors
- 4.4 Phytoremediation
- 4.5 Factors affecting phytoremediation
- 4.6 Advantages and disadvantages of phytoremediation
- 4.7 Role of genetic engineering in phytoremediation
- 4.8 Conclusion and future prospects
- References
- PART 2
- Microbe-assisted phytoremediation of inorganic contaminants
- chapter 5
- The role of bacteria in metal bioaccumulation and biosorption
- 5.1 Introduction
- 5.2 Microbial bioremediation
- 5.2.1 Biosorption
- 5.2.1.1 Extracellular adsorption
- 5.2.1.2 Cell surface adsorption
- 5.2.2 Bioaccumulation
- 5.3 Mechanisms underlying microbial metal biosorption and bioaccumulation
- 5.3.1 Extracellular adsorption.
- 5.3.2 Cell surface adsorption or complexation
- 5.3.2.1 Ion exchange mechanism
- 5.3.2.2 Surface complex mechanism
- 5.3.2.3 Bioaccumulation/Intracellular adsorption
- 5.4 Main factors influencing the bioaccumulation efficiency
- 5.4.1 pH
- 5.4.2 Temperature
- 5.4.3 The presence of other metal ions
- 5.4.4 Physical and chemical pretreatment
- 5.5 General conclusions and future perspectives
- Acknowledgments
- References
- Chapter 6
- Plant-microbe association to improve phytoremediation of heavy metal
- 6.1 Introduction
- 6.1.1 Phytoremediation
- 6.2 Metal resistance and uptake in microorganisms
- 6.3 Plant growth and metal uptake by plant growth-promoting bacteria (PGPB)
- 6.3.1 Phytoremediation assisted by soil bacteria
- 6.3.2 Effects of microorganisms on bioavailability of metals/metalloids and mobilization
- 6.3.3 Low-molecular-mass organic acids
- 6.3.4 Release of carboxylic acid anions
- 6.3.5 By secretion of siderophores
- 6.3.6 Other trace element chelators
- 6.3.7 Microbial-induced metal immobilization in phytostabilization
- 6.4 Effects of microorganisms on nutrients' uptake
- 6.5 Approach of genetic engineering for improved metal uptake
- 6.6 Current scenario and future perspective
- References
- Chapter 7
- Bacterial-mediated phytoremediation of heavy metals
- 7.1 Introduction
- 7.2 Heavy metals effects on living organisms
- 7.3 Remediation strategies to reduce the HM pollutants
- 7.3.1 Physicochemical approaches
- 7.3.2 Biological approaches/bioremediation
- 7.4 Phytoremediation
- 7.4.1 Phytoextraction
- 7.4.2 Phytostabilization
- 7.4.3 Phytodegradation
- 7.4.4 Phytovolatilization
- 7.4.5 Phytofiltration
- 7.4.6 Rhizodegradation
- 7.4.7 Phytotransformation
- 7.5 Microbial remediation
- 7.5.1 Fungal remediation
- 7.5.2 Bacterial remediation.
- 7.6 Mechanisms of bacterial-assisted phytoremediation
- 7.6.1 Plant growth promotion
- 7.6.2 Bacterial-assisted biodegradation
- 7.6.3 Biotransformation of HM
- 7.6.4 Bioleaching
- 7.6.5 Mobilization
- 7.6.6 Solubilization
- 7.6.7 Volatilization
- 7.6.8 Sequestration/accumulation
- 7.7 Case studies of PGP bacteria-assisted phytoremediation
- References
- Chapter 8
- Recent advances in microbial-aided phytostabilization of trace element contaminated soils
- 8.1 Introduction
- 8.2 Phytostabilization
- 8.2.1 TE behavior in soils
- speciation and mobility
- 8.2.2 TE uptake and transfer in plant tissues
- 8.2.3 Plant tolerance to TE toxicity
- 8.2.4 Plant's selection
- 8.3 Aided phytostabilization
- 8.3.1 Effect of microbial amendments on soil properties
- 8.3.2 Microbial amendment's effect on TE immobilization.
- 8.3.3 Microbial amendment's effect on plant growth and development
- 8.3.4 Combined use of amendments
- 8.4 Future scope
- 8.4.1 Limitations of aided phytostabilisation
- 8.4.2 Future scope: Phytomanagement of TE-contaminated soils
- 8.5 Conclusion
- Acknowledgments
- References
- Chapter 9
- Phytoremediation of heavy metal contaminated soil in association with arbuscular mycorrhizal fungi
- 9.1 Introduction
- 9.2 Sources of HMs in soil
- 9.2.1 Natural processes
- 9.2.2 Anthropogenic processes
- 9.3 Adverse impacts of HMs
- 9.3.1 Impacts on the environment
- 9.3.2 Impact on the soil microbes and its enzymatic activity
- 9.3.3 Impact on the plants and animals
- 9.3.4 Impact on human health
- 9.4 Remediation of metal contaminated soil
- 9.4.1 Phytoremediation
- 9.5 Arbuscular mycorrhizal fungi
- 9.5.1 AMF as mediators of phytoremediation processes
- 9.5.2 Mechanisms of detoxification involving the association of mycorrhizal fungi and plants.
- 9.5.3 Mechanisms involving the retention by fungal structures
- 9.6 Biochemical mechanisms
- 9.6.1 Chelating agents and enzymes
- 9.6.2 Gene expression mediated by AMF
- 9.7 Conclusion
- References
- chapter 10
- Role of Pb-solubilizing and plant growth-promoting bacteria in Pb uptake by plants
- 10.1 Introduction
- 10.2 Presence and forms of Pb in soil
- 10.3 Phytoextraction of Pb from contaminated soils
- 10.4 Microbe-assisted Pb phytoextraction
- 10.5 Pb solubilization mechanisms by bacteria
- 10.5.1 Acidolysis
- 10.5.2 Redoxolysis
- 10.5.2.1 Bio-reduction
- 10.5.2.2 Bio-oxidation
- 10.5.3 Complexolysis
- 10.5.3.1 Low molecular weight organic acids
- 10.5.3.2 Siderophores
- 10.5.3.3 Biosurfactants
- 10.6 Effect of bacteria on plant growth in Pb-contaminated soils
- 10.6.1 Production of phytohormones
- 10.6.1.1 Auxins
- 10.6.1.2 Cytokinins
- 10.6.1.3 Gibberellins
- 10.6.2 Improvement of plant nutrition
- 10.6.2.1 Phosphorus solubilization
- 10.6.2.2 Siderophore production
- 10.6.2.3 Nitrogen fixation
- 10.6.2.4 Improvement of nutrient uptake
- 10.6.3 ACCD production
- 10.6.4 Triggering plant antioxidant system
- 10.7 Effects of bacterial inoculations on Pb phytoextraction
- 10.7.1 Effects of PGPBs on Pb phytoextraction
- 10.7.2 Effects of Pb-solubilizing PGPBs on Pb phytoextraction
- 10.8 Conclusions
- References
- Chapter 11
- Role of Cd-resistant plant growth-promoting rhizobacteria in plant growth promotion and alleviation of the p ...
- 11.1 Introduction
- 11.1.1 Plant growth promoting rhizobacteria and their classification
- 11.1.2 Loading of Cd in the environment
- 11.1.3 Toxic effects of Cd on plants, humans, and microorganisms
- 11.2 Cadmium-resistant PGPR
- 11.3 Cadmium-resistance mechanisms in PGPR
- 11.3.1 Cd removal by several efflux systems.