Microbial biostimulants for plant growth and abiotic stress amelioration /

This book explores the application and benefits of microbial biostimulants in plant growth and the mitigation of abiotic stress. Edited by Puneet Singh Chauhan, Nikita Bisht, and Renuka Agarwal, it compiles contributions from researchers discussing various microbial technologies and their role in su...

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Bibliographic Details
Corporate Author:	ScienceDirect (Online service)
Other Authors:	Chauhan, Puneet Singh (Editor), Bisht, Nikita (Editor), Agarwal, Renuka (Editor)
Format:	eBook
Language:	English
Published:	Amsterdam : Academic Press, 2024.
Series:	Biostimulants and Protective Biochemical Agents
Subjects:	Plant growth promoting substances. Plantes > Substances de croissance. Electronic books.
Online Access:	Connect to the full text of this electronic book

Table of Contents:

Front Cover
Microbial Biostimulants for Plant Growth and Abiotic Stress Amelioration
Copyright Page
Contents
List of contributors
Preface
1 Microbial biostimulants in plant sciences
1.1 Introduction
1.2 Microbial biostimulants
1.3 Parameters for considering microbial biostimulants
1.4 The significance of microbial-derived plant biostimulants in disease tolerance (abiotic stress)
1.4.1 Heat stress
1.4.2 Cold stress
1.4.3 Salinity and drought stress
1.4.4 Massive rainfall, flooding, and water sapping
1.4.5 Heavy metal stress
1.4.6 Role of PGPR-based biostimulants in disease tolerance (biotic stress)
1.5 Advantages of biostimulants
1.6 Application of microbial biostimulants: drawbacks and future prospects
1.7 Conclusion
References
2 Fungi and bacteria as biostimulants for sustainable agriculture
2.1 Introduction
2.2 The salubrious effects of microbial biostimulants for sustainable agriculture
2.3 Significance of bacterial biostimulants in crop improvement
2.4 Significance of fungal biostimulants in crop improvement
2.5 Significance of co-inoculation of fungal and bacterial strains as biostimulants for crop improvement
2.6 Microbial biostimulants and their mechanisms in plant growth promotion
2.7 Conclusions and future outlook
References
3 Microbial endophytes as biostimulant
3.1 Introduction
3.2 What an endophyte is?
3.3 Types of microbial endophyte
3.4 Endophytes: isolation and source identification
3.5 Effects of microbial endophytes
3.6 Capability of endophytes to produce bioactive compounds
3.7 Use of bioinformatics in microbial endophytes
3.8 Bacterial endophytes
3.9 Nitrogen-fixing bacterial endophytes
3.10 Utilization of genetically altered nitrogen-fixing microorganisms.
3.11 Use of bacterial endophytes for soil bioremediation and phytoremediation
3.12 Use of bacterial endophytes for biocontrol in agriculture
3.13 Fungal endophyte
3.14 The importance of the fungal endophytes in plant health
3.15 Conclusion
References
4 Soil microbiomes and their role in stress management in plants
4.1 Introduction
4.1.1 Importance of soil
4.1.1.1 Ecological functions
4.1.1.2 Nonecological functions
4.1.2 Soil microbiome and plant health
4.1.3 Plant stress
4.1.4 How does soil microbiome interaction help in mitigating plant stress?
4.2 Soil microbiome community
4.3 Abiotic stress management
4.3.1 Salinity
4.3.2 Drought
4.3.3 pH
4.3.4 Temperature
4.3.5 Nutrient deficiency
4.4 Biotic stress management
4.4.1 Bacterial infection
4.4.2 Fungal infection
4.4.3 Viral infection
4.5 Climate stress management
4.6 Future prospects and conclusions
References
5 Arbuscular mycorrhizal fungi as biostimulant for plant growth and abiotic stress amelioration
5.1 Introduction
5.2 Arbuscular mycorrhiza
5.3 Arbuscular mycorrhizal fungi as a biofertilizer
5.4 AMF and abiotic stress amelioration
5.5 Drought
5.6 Salinity
5.7 Temperature
5.8 Heavy metal
5.9 Conclusion
References
6 Effect of biostimulants on soil microbial community
6.1 Introduction
6.2 Types
6.2.1 Non microbial and microbial derived biostimulants
6.2.2 Synthetic biostimulants
6.3 Biostimulants in alleviating abiotic stress
6.3.1 Water stress
6.3.2 Salinity stress
6.3.3 Temperature stress
6.3.4 Phytopathogens
6.4 Changes in native microbial population on biostimulant application
6.5 Conclusions
References
7 Beneficial bacteria in regulating drought stress in plants
7.1 Introduction
7.2 Effect of drought stress on plants.
7.2.1 Effect of drought stress on phytohormones
7.2.2 Effect of drought stress on gene expression
7.2.3 Effect of drought on plant physiology
7.3 Root bacterial communities: a key to sustainable agriculture
7.4 Mechanism of root bacterial communities to mitigate drought stress
7.4.1 Maintenance of phytohormones
7.4.2 Availability of nutrients
7.4.3 Osmolyte production
7.4.4 Root development
7.4.5 Exopolysaccharide production
7.4.6 Antioxidant activity
7.4.7 Secondary metabolite biosynthesis
7.4.8 ACC deaminase production
7.5 PGPBs and their symbiont plant
7.6 Future possibilities
References
8 Role of bacteria in controlling root system behavior
8.1 Introduction
8.2 Plant-PGPR interaction in the rhizosphere
8.3 PGPR influences the root development
8.4 PGPR alters RSA by influencing the plant hormone
8.5 PGPR induced modification in root anatomy
8.6 Plant response to quorum-sensing
8.7 Conclusions
References
9 Beneficial soil bacteria: a sustainable strategy for enhancing soil fertility
9.1 Introduction
9.2 Bacterial ecological habitat and its influence on soil structure and fertility
9.3 Role of Actinobacteria in maintaining soil fertility
9.4 Role of plant growth promoting bacteria in maintaining soil fertility
9.5 Future consideration with strategic efforts in restoring soil fertility
9.6 Conclusion
References
10 Beneficial microorganisms for nutrient homeostasis in plants
10.1 Introduction
10.2 Microbial facilitation of plant uptake of mineral nutrients
10.2.1 Nitrogen (N)
10.2.2 Phosphorus (P)
10.2.3 Potassium (K)
10.2.4 Sulfur (S)
10.2.5 Magnesium (Mg)
10.2.6 Iron (Fe)
10.2.7 Copper (Cu)
10.2.8 Manganese (Mn)
10.2.9 Zinc (Zn)
10.2.10 Molybdenum (Mo)
10.2.11 Nickel (Ni)
10.2.12 Boron (B).
10.3 Phytohormone in regulating nutrient homeostasis
10.4 Conclusion
References
11 Endophytic fungi: perspectives for microbial engineering
11.1 Introduction
11.2 The relationship between plants and microorganisms
11.3 Bacterial endophytes
11.3.1 The origin of endophytic bacteria
11.3.2 How endophytic bacteria enter plant tissues
11.3.3 Location of endophytic bacteria (localization)
11.3.4 Effective factors on endophytic bacteria
11.3.4.1 Biotic factors
11.3.4.1.1 Microorganisms associated with plants
11.3.4.1.2 Plant genotype
11.3.4.1.3 Abiotic factors
11.3.5 Beneficial effects of plant endophytic bacteria
11.3.5.1 Biological control of plant pathogens
11.3.5.2 Plant growth promotion
11.4 Fungal endophytes
11.4.1 Phylogenetic relationships of fungi
11.4.2 Biology, ecology, and taxonomy of endophytic fungi
11.4.3 The life cycle of endophytic fungi
11.4.4 Distribution of endophytic fungi
11.4.5 Hosting domain
11.4.6 Identification of endophytic fungi
11.4.7 Biodiversity of endophytic fungi
11.4.7.1 Clavicipitaceous endophytes (first category)
11.4.7.2 Nonclavicipitaceous endophytes
11.4.7.3 Endophytes of the second category
11.4.7.4 Third category endophytes
11.4.7.5 Endophytes of the fourth category
11.4.8 Important groups of endophytic fungi
11.4.8.1 Endophytes in herbaceous plants that can be transmitted through seeds
11.4.8.2 Endophytic fungi present in wood tissue
11.4.8.3 Root endophytic fungi
11.4.8.4 Endophytic fungi present in abnormal host tissues
11.4.8.4.1 Insect galls
11.4.8.4.2 Nematode system
11.4.9 Methods of isolation of endophytic fungi
11.4.10 Colonization without symptoms as a result of the antagonistic balance between the endophyte and the host plant
11.4.11 Specific or nonspecific hosts of endophytic fungi.
11.4.12 Tissues and plant organs where endophytes reside
11.4.12.1 Skin endophytes
11.4.12.2 Xylotrophic endophytic fungi
11.4.12.3 Root endophytic fungi
11.4.12.4 Endophytic fungi present in abnormal host tissues
11.4.13 Natural compounds produced by endophytic fungi
11.4.13.1 Antibiotic compounds
11.4.13.2 Antifungal compounds
11.4.13.3 Antiviral properties
11.4.13.4 Antioxidant compounds
11.4.13.5 Anticancer compounds
11.4.14 Use and importance of endophytes
11.4.15 Some biological effects of endophytic fungi in plants
11.4.15.1 Increasing plant growth
11.4.15.2 Protection against herbivores
11.4.15.3 Protection against insects
11.4.15.4 Protection against pathogens
11.4.15.5 Tolerance of nonliving stresses
11.4.15.6 Improvement of plant biomass
11.4.15.7 Microbial metabolites
11.4.16 The methods used in tracking endophytic fungi
11.4.16.1 Classical method
11.4.16.2 Molecular method
11.4.17 Challenges ahead in exploiting plant endophytes
11.5 Conclusion
References
12 Fluorescent Pseudomonas: Important candidate to mitigate abiotic stress
12.1 Introduction
12.2 Plant growth promotion by fluorescent Pseudomonas
12.2.1 Phytohormone production
12.2.2 Antifungal activity
12.2.3 Siderophores
12.2.4 Phosphate solubilization
12.2.5 Hydrogen cyanide and ammonia
12.2.6 Lytic enzymes
12.3 Conclusions and future perspective
References
13 Beneficial bacteria and fungi and biofortification of crop plants
13.1 Introduction
13.2 Mechanism of microbes-mediated iron biofortification
13.3 Mechanism of microbes-mediated zinc biofortification
13.4 Microbes-mediated selenium biofortification in crops
13.5 Plant growth-promoting bacteria and arbuscular mycorrhiza modulate nutrient transporters.