Download or read book Bacillus Thuringiensis An Environmental Biopesticide written by Philip F. Entwistle and published by . This book was released on 1993-05-24 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: The challenge of bacillus thuringiensis. Historiacal overview: from discovery until 1980s. The 1980s: a decade of change. The future challenge. Diversity of bacillus thuringiensis toxins and genes. Diversity of B. thuringiensis strains and toxins. Localization and molecular organization of the toxin genes. The crystal protein genes and products. Regulation of crystal synthesis. Domain-function studies of bacillus thuringiensis crystal proteins: a genetic approach. Mode of action structural features of crystal proteins. Crystal protein mutants. Crystal protein hybrids. Transgenic bacteria, viruses, algae and other microorganisms as bacillus thuringiensis toxin delivery systems. Conventional B. thuringiensis products: do they nedd to be improved?. The use of transgenic microorganisms to improve insect host range. Improving foliar acticity and delivery. Improving aquatic activity and delivery. Improving soil activity and delivery. Issues in the development of transgenic microorganisms. The engineering of plants to express bacillus thuringiensis -endotoxins. Expression of -endotoxins in dicotyledons. Expression of -endotoxins in monocotyledons. Quantification of -endotoxins expression in planta. Enhancement of -endotoxin expression in planta. Endophyte expression of -endotoxin genes in plants. Control of lepidopteran pests with bacillus thuringiensis. Conventional and genetically engineered b. thuringiensis. Products. Microbial specificity of b. thuringiensis in lepidopteran pests. Entomological aspects of lepidopteran pest control with B. thuringiensis. Integration of B. thuringiensis in lepidopteran pest control strategies. Use of bacillus thuringiensis israelensis against mosquitoes and blackflies. Properties of B. thuringiensis israelensis. Factors influencing the efficacy of B. thuringiensis israelensis treatments. Organization of mosquito control programmes. Successful control programmes using B. thuringiesis israelensis. Future prospects for the use of B. thuringiensis israelensis. Control of coleopteran pests by bacillus thuringiensis. B. thuringiensis tenebrionis products and their registration. Characterization of B. thuringiensis tenebrionis and other coleopteran-active subspecies. Host range of B. thuringiensis tenebrionis and susceptibility levels of some pest species. The impact of B. thuringiensis tenebrionis on nor-target animals. Control of coleoptera by -exotoxin. Field trials with B. thuringiensis tenebrionis. Future prospects. Bacillus thuringiensis in the environment: ecology and risk assessment. Role in the environment. Risk assessment. Resistance to bacillus thuringiensis and resistance management. Field resistance development to B. thuringiensis. Laboratory selection for resistance. Cross resistance of B. thuringiensis to chemicals and other B. thuringiensis strains. Genetics of resistance. Mechanisms of resistance. Strategies for delaying resistance development. The use of bacillus thuringiensis in developing countries. History and usage of B. thuringiensis in developing nations. Strain survey and selection. Production levels and costs. Inexpensive and local fermentation media. Low technology fermentation procedures. Stability and formulation. Field application. Further development of B. thuringiensis. Future role for B. thuringiensis in developing countries. Production of bacillus thuringiensis insecticides for experimental and commercial uses. Optimization of production methods. Production methods for B. thuringiensis. Quality control.
Download or read book Bacillus thuringiensis Biotechnology written by Estibaliz Sansinenea and published by Springer Science & Business Media. This book was released on 2012-03-14 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bacillus thuringiensis (Bt) has been used as a biopesticide in agriculture, forestry and mosquito control because of its advantages of specific toxicity against target insects, lack of polluting residues and safety to non-target organisms. The insecticidal properties of this bacterium are due to insecticidal proteins produced during sporulation. Despite these ecological benefits, the use of Bt biopesticides has lagged behind the synthetic chemicals. Genetic improvement of Bt natural strains, in particular Bt recombination, offers a promising means of improving efficacy and cost-effectiveness of Bt-based bioinsecticide products to develop new biotechnological applications. On the other hand, the different Bacillus species have important biotechnological applications; one of them is carried out by producing secondary metabolites, which are the study object of natural product chemistry. The amazing structural variability of these compounds has attracted the curiosity of chemists and the biological activities possessed by natural products have inspired the pharmaceutical industry to search for lead structures in microbial extracts. Screening of microbial extracts reveals the large structural diversity of natural compounds with broad biological activities, such as antimicrobial, antiviral, immunosuppressive, and antitumor activities that enable the bacterium to survive in its natural environment. These findings widen the target range of Bacillus spp., in special B. thuringiensis, besides insecticidal activity and help people to better understand its role in soil ecosystem.
Download or read book Bacillus Thuringiensis written by David P. Sanders and published by Nova Science Publishers. This book was released on 2021 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This monograph contains four chapters, each of which provides a different perspective on biopesticides. Chapter One concerns the use of biopesticides in sustainable agriculture, including the interactions between biopesticides and chemical pesticides, production issues, and opportunities for future research. Chapter Two describes the bottom-up approach for using Bacillus thuringiensis (Bt) as a biopesticide and for enhancing host plant resistance against major foliage feeders through deployment of suitable cry genes. Chapter Three reviews strategies for mitigating the spread of Bt resistance and improving insecticidal activity against Bt-susceptible pests. Lastly, Chapter Four aims to revise, debate, and evaluate the effects of Bt as phosphate solubilizing and phosphorus uptake by plant establishment"--
Download or read book Bacillus Thuringiensis written by Robert Bélanger and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Chapter One, André L de A Melo, Ph.D. discusses the spore-forming bacterium Bacillus thuringiensis and its uses as a bio-insecticide, also touching on ways to combat insect resistance. In Chapter Two, Karim Ennouri proposes the bacterium Bacillus thuringiensis as an important biopesticide because of the entomopathogenic effect of delta-endtoxins as well as its efficiency against insects resistant to chemical insecticides. In conclusion, Rafael C Lajmanovich, Candela S Martinuzzi, Carlina Colussi, Paola M Peltzer, Agustín Bassó, Andrés M Attademo, and Lucila M Curi present a study exploring the impact of a GM Bt-soybean-based diet, as opposed to a lettuce diet, on tadpoles.
Download or read book Microbes for Climate Resilient Agriculture written by Prem Lal Kashyap and published by John Wiley & Sons. This book was released on 2018-03-07 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive, edited volume pulling together research on manipulation of the crop microbiome for climate resilient agriculture Microbes for Climate Resilient Agriculture provides a unique collection of data and a holistic view of the subject with quantitative assessment of how agricultural systems will be transformed in coming decades using hidden treasure of microbes. Authored by leaders in the field and edited to ensure conciseness and clarity, it covers a broad range of agriculturally important crops, discusses the impact of climate change on crops, and examines biotechnologically and environmentally relevant microbes. The book encapsulates the understanding of microbial mediated stress management at field level, and will serve as a springboard for novel research findings and new applications in the field. Chapter coverage includes: the role of the phytomicrobiome in maintaining biofuel crop production in a changing climate; the impact of agriculture on soil microbial community composition and diversity in southeast Asia; climate change impact on plant diseases; microalgae; photosynthetic microorganisms and bioenergy prospects; amelioration of abiotic stresses in plants through multi-faceted beneficial microorganisms; role of methylotrophic bacteria in climate change mitigation; conservation agriculture for climate change resilience; archaeal community structure; mycorrhiza-helping plants to navigate environmental stresses; endophytic microorganisms; bacillus thuringiensis; and microbial nanotechnology for climate resilient agriculture. Clear and succinct chapters contributed and edited by leaders in the field Covers microbes' beneficial and detrimental roles in the microbiome, as well as the functions they perform under stress Discusses the crop microbiome, nutrient cycling microbes, endophytes, mycorrhizae, and various pests and diseases, and their roles in sustainable farming Places research in larger context of climate change's effect on global agriculture Microbes for Climate Resilient Agriculture is an important text for scientists and researchers studying microbiology, biotechnology, environmental biology, agronomy, plant physiology, and plant protection.
Download or read book Plasmids in Bacteria written by Donald R. Helinski and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 982 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nano Biopesticides Today and Future Perspectives written by Opender Koul and published by Academic Press. This book was released on 2019-03-16 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nano-Biopesticides Today and Future Perspectives is the first single-volume resource to examine the practical development, implementation and implications of combining the environmentally aware use of biopesticides with the potential power of nanotechnology. While biopesticides have been utilized for years, researchers have only recently begun exploring delivery methods that utilize nanotechnology to increase efficacy while limiting the negative impacts traditionally seen through the use of pest control means. Written by a panel of global experts, the book provides a foundation on nano-biopesticide development paths, plant health and nutrition, formulation and means of delivery. Researchers in academic and commercial settings will value this foundational reference of insights within the biopesticide realm. - Provides comprehensive insights, including relevant information on environmental impact and safety, technology development, implementation, and intellectual property - Discusses the role of nanotechnology and its potential applications as a nanomaterial in crop protection for a cleaner and greener agriculture - Presents a strategic, comprehensive and forward-looking approach
Download or read book Field Manual of Techniques in Invertebrate Pathology written by Lawrence A. Lacey and published by Springer Science & Business Media. This book was released on 2007-09-27 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt: This field manual is designed to provide background and instruction on a broad spectrum of techniques and their use in the evaluation of entomopathogens in the field. The second edition provides updated information and includes two additional chapters and 12 new contributors. The intended audience includes researchers, graduate students, practitioners of integrated pest management (IPM), regulators and those conducting environmental impact studies of entomopathogens.
Download or read book Bacillus Thuringiensis written by Travis R. Glare and published by John Wiley & Sons. This book was released on 2000-10-03 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a definitive source of information on the environmental, non-target and human safety aspects of using the bacterium Bacillus thuringiensis (B.t.) as a biological control agent. B.t. is used worldwide as an effective agent for controlling many species of insect pest, either by crop spraying or genetic engineering of crop plants. Recently questions have been raised due to health concerns over inhalation of the bacterial spores, and fears of gene-swapping. This reference provides a well-balanced comprehensive discussion on the subject.
Download or read book Microbial Megaplasmids written by Edward Schwartz and published by Springer Science & Business Media. This book was released on 2009-01-29 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Megaplasmids are extrachromosomal genetic elements in the size range of 100 kb and larger. They are found in physiologically and phylogenetically diverse groups of bacteria and archaea. By definition, megaplasmids are not essential for the viability of their hosts under all growth conditions, but paradoxically many megaplasmids carry the genetic information for the defining and characteristic traits of the organism in which they reside. Microbial Megaplasmids reviews our knowledge of the extensively studied representatives, such as the catabolic plasmids of the pseudomonads, the rhizobial Sym plasmids, the Ti plasmids of the genus Agrobacterium and the giant enterobacterial virulence plasmids. It also presents snapshots of more recently discovered megaplasmids. The contribution of megaplasmids to the biology of their hosts is described, highlighting the interactions between megaplasmid and chromosomal genes.
Download or read book Biopesticides written by Amitava Rakshit and published by Woodhead Publishing. This book was released on 2021-11-17 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biopesticide: Volume Two, the latest release in the Advances in Bioinoculant series, provides an updated overview on the active substances utilized in current bioinsecticides, along with information on which of them can be used for integrated pest management programs in agro-ecosystems. The book presents a comprehensive look at the development of novel solutions against new targets, also introducing new technologies that enhance the efficacy of already available active substances. Finally, readers will find insights into the advanced molecular studies on insect microbial community diversity that are opening new frontiers in the development of innovative pest management strategies. This book will be valuable to those prioritizing agro biodiversity management to address optimal productizing and enhanced food security. - Explores the increasing number of newly introduced and improved products that can be used alone or in rotation or combination with conventional chemicals - Promotes the importance of, and tactics for, managing the agro ecosystem surrounding food security - Provides state of the art description of various approaches and techniques for the real-world application of biopesticides
Download or read book The Future Role of Pesticides in US Agriculture written by National Research Council and published by National Academies Press. This book was released on 2000-11-02 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although chemical pesticides safeguard crops and improve farm productivity, they are increasingly feared for their potentially dangerous residues and their effects on ecosystems. The Future Role of Pesticides explores the role of chemical pesticides in the decade ahead and identifies the most promising opportunities for increasing the benefits and reducing the risks of pesticide use. The committee recommends R&D, program, and policy initiatives for federal agriculture authorities and other stakeholders in the public and private sectors. This book presents clear overviews of key factors in chemical pesticide use, including: Advances in genetic engineering not only of pest-resistant crops but also of pests themselves. Problems in pesticide useâ€"concerns about the health of agricultural workers, the ability of pests to develop resistance, issues of public perception, and more. Impending shifts in agricultureâ€"globalization of the economy, biological "invasions" of organisms, rising sensitivity toward cross-border environmental issues, and other trends. With a model and working examples, this book offers guidance on how to assess various pest control strategies available to today's agriculturist.
Download or read book Bioremediation and Biotechnology written by Khalid Rehman Hakeem and published by Springer Nature. This book was released on 2020-01-26 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Toxic substances threatens aquatic and terrestrial ecosystems and ultimately human health. The book is a thoughtful effort in bringing forth the role of biotechnology for bioremediation and restoration of the ecosystems degraded by toxic and heavy metal pollution. The introductory chapters of the book deal with the understanding of the issues concerned with the pollution caused by toxic elements and heavy metals and their impacts on the different ecosystems followed by the techniques involved in monitoring of the pollution. These techniques include use of bio-indicators as well as modern techniques for the assessment and monitoring of toxicants in the environment. Detailed chapters discussing the role of microbial biota, aquatic plants, terrestrial plants to enhance the accumulation efficiency of these toxic and heavy metals are followed by remediation techniques involving myco-remediation, bio-pesticides, bio-fertilizers, phyto-remediation and rhizo-filtration. A sizable portion of the book has been dedicated to the advanced bio-remediation techniques which are finding their way from the laboratory to the field for revival of the degraded ecosystems. These involve bio-films, micro-algae, genetically modified plants and filter feeders. Furthermore, the book is a detailed comprehensive account for the treatment technologies from unsustainable to sustainable. We believe academicians, researchers and students will find this book informative as a complete reference for biotechnological intervention for sustainable treatment of pollution.
Download or read book Entomopathogenic Bacteria from Laboratory to Field Application written by J.F. Charles and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Entomopathogenic bacteria (Bacillus thuringiensis and B. sphaericus) are increasingly used as biopesticides to control larval insect populations which are either agricultural or forestry pests and to reduce those which as adults are vectors of severe human diseases. This new book, the first since 1993 to address all aspects of entomopathogenic bacteria, provides undergraduate and graduate students as well as research scientists with a complete, modern view of this important group of bacteria. The authors, chosen for their sustained contributions to the field, cover both fundamental and applied research in this area. The main topics include bacterial ecology and taxonomy, toxin diversity, activity and mode of action, regulation and environment of the genes, safety and ecotoxicology, production and field application of the bacteria, and outbreaks of resistant populations. The book concludes with the most recent data obtained on transgenic biotechnology and addresses environmental impact issues.
Download or read book Pesticides in Crop Production written by Prabhat Kumar Srivastava and published by John Wiley & Sons. This book was released on 2020-04-27 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to the diversity of pesticides used in modern agricultural practices, and the relevant social and environmental issues Pesticides in Crop Production offers an important resource that explores pesticide action in plants; pesticide metabolism in soil microbes, plants and animals; bioaccumulation of pesticides and sensitiveness of microbiome towards pesticides. The authors explore pesticide risk assessment, the development of pesticide resistance in pests, microbial remediation of pesticide intoxicated legumes and pesticide toxicity amelioration in plants by plant hormones. The authors include information on eco-friendly pest management. They review the impact of pesticides on soil microorganism, crops and other plants along with the impact on other organisms like aquatic fauna and terrestrial animals including human beings. The book also contains an analysis of pesticide by GC-MS/MS (Gas Chromatography tandem Mass Spectrometry) a reliable method for the quantification and confirmation of multiclass pesticide residues. This important book: Offers a comprehensive guide to the use of the diversity of pesticides and the pertinent social and environmental issues Explores the impact of pesticides from morphological, anatomical, physiological and biochemical perspectives Shows how pesticides affects soil microorganisms, crops and other plants along with the impact on other organisms like aquatic fauna and animals Critically examines whether chemical pesticides are boon or bane and whether they can be replaced by environmental friendly pesticides Written for students, researchers and professionals in agriculture, botany, entomology and biotechnology, Pesticides in Crop Production examines the effects of chemical pesticides and the feasibility of using bio-pesticides.
Download or read book Biopesticides and Bioagents written by Md. Arshad Anwer and published by CRC Press. This book was released on 2017-09-27 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Insects, diseases, and weeds cause an almost 30% yield loss per annum in agricultural production, resulting in an increased consumption of pesticides by 20% per annum throughout the world. This comprehensive volume looks at the status of biopesticides and biocontrol agents in agriculture. It will be a critically important reference work, providing basic facts and studies on new and current discoveries of the role of biopesticides and bioagents in integrated pest management (IPM). The book contains four main sections, covering the status of biopesticides and biocontrol agents in agriculture plant health-promoting biocontrol agents parasitoids and predators genetically modified crops and Bacillus thuringiensis, and phytochemicals in biocontrol The volume provides information regarding new advances in microbial, biochemical, and genetically modified and organic nanoparticles in integrated pest management. Biopesticides and Bioagents: Novel Tools for Pest Management should find a prominent place on the shelves of agriculture and plant scientists, microbiologists, biotechnologists, plant pathologists and entomologists working in academic and commercial agrichemical situations, and in the libraries of all research establishments and companies where this exciting subject is researched, studied, or taught.
Download or read book Microorganisms in Environmental Management written by T. Satyanarayana and published by Springer Science & Business Media. This book was released on 2012-01-02 with total page 827 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microbes and their biosynthetic capabilities have been invaluable in finding solutions for several intractable problems mankind has encountered in maintaining the quality of the environment. They have, for example, been used to positive effect in human and animal health, genetic engineering, environmental protection, and municipal and industrial waste treatment. Microorganisms have enabled feasible and cost-effective responses which would have been impossible via straightforward chemical or physical engineering methods. Microbial technologies have of late been applied to a range of environmental problems, with considerable success. This survey of recent scientific progress in usefully applying microbes to both environmental management and biotechnology is informed by acknowledgement of the polluting effects on the world around us of soil erosion, the unwanted migration of sediments, chemical fertilizers and pesticides, and the improper treatment of human and animal wastes. These harmful phenomena have resulted in serious environmental and social problems around the world, problems which require us to look for solutions elsewhere than in established physical and chemical technologies. Often the answer lies in hybrid applications in which microbial methods are combined with physical and chemical ones. When we remember that these highly effective microorganisms, cultured for a variety of applications, are but a tiny fraction of those to be found in the world around us, we realize the vastness of the untapped and beneficial potential of microorganisms. At present, comprehending the diversity of hitherto uncultured microbes involves the application of metagenomics, with several novel microbial species having been discovered using culture-independent approaches. Edited by recognized leaders in the field, this penetrating assessment of our progress to date in deploying microorganisms to the advantage of environmental management and biotechnology will be widely welcomed.
