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Secondary Metabolites of Plant Growth Promoting Rhizomicroorganisms

Secondary Metabolites of Plant Growth Promoting Rhizomicroorganisms
Author: Harikesh Bahadur Singh
Publisher: Springer
Total Pages: 404
Release: 2019-04-15
Genre: Technology & Engineering
ISBN: 9811358621

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Recent changes in the pattern of agricultural practices from use of hazardous pesticides to natural (organic) cultivation has brought into focus the use of agriculturally important microorganisms for carrying out analogous functions. The reputation of plant growth promoting rhizomicroorganisms (PGPRs) is due to their antagonistic mechanisms against most of the fungal and bacterial phytopathogens. The biocontrol potential of agriculturally important microorganisms is mostly attributed to their bioactive secondary metabolites. However, low shelf life of many potential agriculturally important microorganisms impairs their use in agriculture and adoption by farmers. The focal theme of this book is to highlight the potential of employing biosynthesized secondary metabolites (SMs) from agriculturally important microorganisms for management of notorious phytopathogens, as a substitute of the currently available whole organism formulations and also as alternatives to hazardous synthetic pesticides. Accordingly, we have incorporated a comprehensive rundown of sections which particularly examine the SMs synthesized, secreted and induced by various agriculturally important microorganisms and their applications in agriculture. Section 1 includes discussion on biosynthesized antimicrobial secondary metabolites from fungal biocontrol agents. This section will cover the various issues such as development of formulation of secondary metabolites, genomic basis of metabolic diversity, metabolomic profiling of fungal biocontrol agents, novel classes of antimicrobial peptides. The section 1 will also cover the role of these secondary metabolites in antagonist-host interaction and application of biosynthesized antimicrobial secondary metabolites for management of plant diseases. Section 2 will discuss the biosynthesized secondary metabolites from bacterial PGPRs, strain dependent effects on plant metabolome profile, bio-prospecting various isolates of bacterial PGPRs for potential secondary metabolites and non-target effects of PGPR on microbial community structure and functions. Section 3 encompasses synthesis of antimicrobial secondary metabolites from beneficial endophytes, bio-prospecting medicinal and aromatic hosts and effect of endophytic SMs on plants under biotic and biotic stress conditions.


Secondary Metabolites and Volatiles of PGPR in Plant-Growth Promotion

Secondary Metabolites and Volatiles of PGPR in Plant-Growth Promotion
Author: R. Z. Sayyed
Publisher: Springer Nature
Total Pages: 385
Release: 2022-10-30
Genre: Science
ISBN: 3031075595

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This contributed volume explores how plant growth-promoting rhizobacterias (PGPR) provide a wide range of benefits to the plant. Further, it discusses the key roles PGPR play in nutrient acquisition and assimilation, improved soil texture, secreting, and modulating extracellular molecules. The book outlines how plant secondary metabolites are natural sources of biologically active compounds used in a wide range of applications, and surveys the significant role of volatile organic compounds (VOCs) in plant communication by mediating above- and below-ground interactions between plants and the surrounding organisms. This volume compiles research from leading scientists from across the globe, linking the translation of basic knowledge to innovative applied research. The book focuses on the following three categories: 1) understanding the secondary metabolites produced by PGPR, the signaling mechanisms and how they affect plant growth, 2) the plausible role of volatile organic compounds produced by PGPR, their role and the signaling mechanism for plant growth promotion, and 3) Applications of VOCs and secondary metabolites of PGPR for seed germination, plant growth promotion; stress tolerance and in-plant health and immunity.


Plant-Growth-Promoting Rhizobacteria (PGPR) and Medicinal Plants

Plant-Growth-Promoting Rhizobacteria (PGPR) and Medicinal Plants
Author: Dilfuza Egamberdieva
Publisher: Springer
Total Pages: 444
Release: 2015-02-07
Genre: Science
ISBN: 3319134019

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This book describes the various applications of microorganisms in improving plant growth, health and the efficiency of phytochemical production. The chapters trace topics such as the role of PGPRs in improving salt stress and heavy metal tolerance in plants; the prevention and control of plant diseases; boosting soil fertility and agriculture productivity; the induction of secondary metabolite biosynthesis in medicinal and aromatic plants; the enhancement of phytochemical levels, and the action mechanisms, diversity and characterization of PGPRs. The reviews will be of interest for scientists in the fields of agriculture, microbiology, soil biology, plant breeding and herbal medicinal products.


Antifungal Metabolites of Rhizobacteria for Sustainable Agriculture

Antifungal Metabolites of Rhizobacteria for Sustainable Agriculture
Author: R.Z Sayyed
Publisher: Springer Nature
Total Pages: 385
Release: 2022-08-27
Genre: Science
ISBN: 3031048059

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Antifungal Metabolites of Rhizobacteria for Sustainable Agriculture focuses on plant health in agro-ecosystems of various economically important cash and food crops with a concern to promote sustainable agriculture. They have emerged as a key organic tool for enhancing yields. In a natural environment the interactions between plants and phytopathogenic fungi are complex and survival requires a development of resistance to plant diseases. Diversity of Plant Growth Promoting Rhizobacteria (PGPR) diversity depends on the nature of root exudates and soil conditions that affect their interaction with host plants. Novel strategies, such as, applying bioactive natural products against the pathogenic fungus are required to control disease sustainably. Various classes of secondary metabolites including lipopeptides, macrolides, alkaloids, terpenoids and phenolics from microorganisms and plants strongly suppress fungal growth and can also be effective in controlling plant diseases both in vitro and in vivo. The modes of actions of some potential antifungal secondary metabolites against pathogenic fungus are also discussed. Eco-friendly fungal species and their metabolites are excellent agents used for regulating various fungal and bacterial phytopathogens and may have tremendous potential for other applications, and play a key role in enhancing plant tolerance to stress. Antifungal Metabolites of Rhizobacteria for Sustainable Agriculture also covers bovine-based formulations used for sustainable production and nutritional security through horticultural crops, thereby addressing the problems associated with malnutrition and under-nutrition encountered by small and marginal farmers, as well as by families facing resource constraints. These techniques can also improve breathable air, drinkable water, and consumable foods. This book addresses the need to mitigate the health problems of people via organic crop production and to improve the socio-economic status of farmers (especially in developing countries), and to revitalize agricultural sustainability.


Plant Microbiome: Stress Response

Plant Microbiome: Stress Response
Author: Dilfuza Egamberdieva
Publisher: Springer
Total Pages: 384
Release: 2018-02-06
Genre: Technology & Engineering
ISBN: 9811055149

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This book presents state-of-the-art research on the many facets of the plant microbiome, including diversity, ecology, physiology and genomics, as well as molecular mechanisms of plant-microbe interactions. Topics considered include the importance of microbial secondary metabolites in stimulating plant growth, induced systemic resistance, tolerance to abiotic stress, and biological control of plant pathogens. The respective contributions show how microbes help plants to cope with abiotic stresses, and represent significant progress toward understanding the complex regulatory networks critical to host-microbe interaction and plant adaptation in extreme environments. New insights into the mechanisms of microbial actions in inducing plant stress tolerance open new doors for improving the efficacy of microbial strategies, and could produce new ways of economically increasing crop yields without harming the environment. As such, this book offers an essential resource for students and researchers with an interest in plant-microbe interaction, as well as several possibilities for employing the plant microbiome in the enhancement of crop productivity under future climate change scenarios.


Bacterial Secondary Metabolites

Bacterial Secondary Metabolites
Author: Kamel A Abd-Elsalam
Publisher: Elsevier
Total Pages: 450
Release: 2023-10-12
Genre: Science
ISBN: 0323952526

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Bacterial Secondary Metabolites: Synthesis and Applications in Agroecosystem presents the structure, properties, and biotechnological applications of bacterial metabolites and their upcoming industrial, pharmaceutical, antimicrobial, and anticancer applications. Chapters cover topics such as the use of lactic acid bacteria as an antifungal and antibacterial agent, bacterial siderophores structure and potential applications, and the role of cyanobacteria metabolites in disease management, among others. Plant and agri-food environmental scientists and researchers, graduate and post-graduate students in related fields will benefit from this reference book which is published as part of the series Nanobiotechnology for Plant Protection. Explores how research might lead to the production of new bio-based commercial solutions to tackle global agricultural and human diseases Contains extensive information to understand the intricate processes of cryptic genes and their relationship to the synthesis of bioactive chemicals Provides in-depth insights into microbial biotechnology, namely secondary metabolites


Updates on Rhizobacteria

Updates on Rhizobacteria
Author: Munazza Gull
Publisher: BoD – Books on Demand
Total Pages: 122
Release: 2024-03-13
Genre: Science
ISBN: 1837694796

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Updates on Rhizobacteria captures in a single volume the wealth of information about the presence, appearance, function, and utilization of rhizobacteria. Rhizobacteria play critical roles in nutrient acquisition and assimilation, improvement of soil texture, and the secretion and modulation of extracellular molecules such as hormones, secondary metabolites, antibiotics, and various signal compounds, all of which lead to enhanced plant growth and development. Rhizobacteria are also integral to plant-microbe interactions and for modulating plant stress responses. Updates on Rhizobacteria is a useful resource for instructors and students in advanced undergraduate and graduate courses on rhizobacteria. It is also valuable for researchers seeking new relationships between biological processes that are linked by rhizobacteria and the environment.


Plant Growth and Health Promoting Bacteria

Plant Growth and Health Promoting Bacteria
Author: Dinesh K. Maheshwari
Publisher: Springer Science & Business Media
Total Pages: 453
Release: 2010-09-28
Genre: Science
ISBN: 3642136125

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To cope with the increasing problems created by agrochemicals such as plant fertilizers, pesticides and other plant protection agents, biological alternatives have been developed over the past years. These include biopesticides, such as bacteria for the control of plant diseases, and biofertilizer to improve crop productivity and quality. Especially plant growth promoting rhizobacteria (PGPR) are as effective as pure chemicals in terms of plant growth enhancement and disease control, in addition to their ability to manage abiotic and other stresses in plants. The various facets of these groups of bacteria are treated in this Microbiology Monograph, with emphasis on their emergence in agriculture. Further topics are Bacillus species that excrete peptides and lipopeptides with antifungal, antibacterial and surfactant activity, plant-bacteria-environment interactions, mineral-nutrient exchange, nitrogen assimilation, biofilm formation and cold-tolerant microorganisms.


Plant Growth Promoting Microorganisms of Arid Region

Plant Growth Promoting Microorganisms of Arid Region
Author: Ritu Mawar
Publisher: Springer Nature
Total Pages: 465
Release: 2023-03-01
Genre: Science
ISBN: 9811941246

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This edited book aims to focus on microbial diversity in arid lands and deserts versus specific microbial assemblages associated with plants. The book explains ecological drivers that shape this diversity, how plant-associated microbiomes are selected, and their biotechnological potential are discussed. Diversity and functional redundancy of these associated PGPM make them very active in supporting plant improvement, health and resistance to drought, salt and other stresses, and these dimensions will be explored in this book. Implementing proper biotechnological applications of the arid and desert-adapted PGPM constitutes a sizeable challenge, and the book attempts to take up that challenge and help researchers in this field to gain a detailed understanding of PGPM from arid ecosystems. This book serves as a handbook for research workers, teachers, postgraduate students and extension personnel, other development workers, and policy planners engaged in arid zone development.