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Author: Lidia Mariana Fiuza
Publisher: Springer
ISBN: 3319566784
Category : Science
Languages : en
Pages : 289
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Book Description
This volume presents a comprehensive perspective of the biopesticides Bacillus thuringiensis and Lysinibacillus sphaericus, from their basic biology to agriculture, forestry and public-health applications. It covers their ecology, virulence factors, and genetic characterization. The topics related to agriculture and forestry include mode of action, receptors of insect pests, and heterologous expression of toxins in insect cells and plants. Public-health researchers will find information on vector control programs with an emphasis on the Neotropical region. The book also discusses new products and the global market.
Author: Lidia Mariana Fiuza
Publisher: Springer
ISBN: 3319566784
Category : Science
Languages : en
Pages : 289
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Book Description
This volume presents a comprehensive perspective of the biopesticides Bacillus thuringiensis and Lysinibacillus sphaericus, from their basic biology to agriculture, forestry and public-health applications. It covers their ecology, virulence factors, and genetic characterization. The topics related to agriculture and forestry include mode of action, receptors of insect pests, and heterologous expression of toxins in insect cells and plants. Public-health researchers will find information on vector control programs with an emphasis on the Neotropical region. The book also discusses new products and the global market.
Author: Huguette de Barjac
Publisher: Springer Science & Business Media
ISBN: 940115967X
Category : Science
Languages : en
Pages : 364
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Book Description
Mosquitoes and black flies are a constant threat to health and comfort, yet the modern chemical pesticides used to control them have cre ated serious ecological problems. Populations of resistant mosquitoes and black flies have evolved, beneficial insects and natural predators have been destroyed, and environmental pollution has increased worldwide. Therefore, scientists have energetically sought new, environmentally safe technologies to combat mosquitoes and black flies and the diseases they carry. Among the most effective alternative means of controlling these pests are the highly spe cific microbial agents derived from Bacillus tburingiensis or Bacillus spbaericus. The microbial control of mosquitoes and black flies is a very important, rapidly developing area of science. Entomologists and microbiologists have already achieved spectacular successes using B. tburingiensis and B. spbaericus against these pests. Recent discoveries of new bacterial isolates specific to new hosts and recent genetic improvements in these isolates have created the potential for wide-scale use of these biological control agents. Efficient microbial control of mosquitoes and black flies can now be achieved, but a proper knowledge of factors relating to the safe and effective use of these biological control agents is necessary. The efficacy of B. tburingiensis and B. spbaericus is influenced by the inherent differential tol erance of the target mosquitoes or black flies, by the formulation technology and application of these agents, and by environmental factors, especially sun light and temperature.
Author: Rishi Ray
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The purpose of this research is to determine and compare the rates that Bacillus thuringiensis, Lysinibacillus sphaericus, and a composite of the two degrade low-density polyethylene (LDPE), the global leading plastic pollutant. The research involved measuring the mass of LDPE degraded by B. thuringiensis, L. sphaericus, and a composite of the two. The bacteria agars were inoculated to make a bacterial broth of each culture. Samples of LDPE were exposed individually to B. thuringiensis broth, L. sphaericus broth, and a composite mixture for nine days. Six separate, identical trials were executed, and all were subjected to the same environmental conditions. The masses of all samples were measured and compared to respective masses before exposure to calculate mass degradation. The research and subsequent data obtained present the conclusion that the bacterial composite has a significantly greater degradation rate on LDPE than the B. thuringiensis and L. sphaericus independently. The data furthermore showed an insignificant difference in degradation rates between B. thuringiensis and L. sphaericus individually. The results propose the potential of further developing more effective compositions of microorganisms to degrade polyethylene beyond the rate of the composite examined in this research to reduce global plastic pollution that plagues the environment.
Author: J.F. Charles
Publisher: Springer Science & Business Media
ISBN: 9401714290
Category : Science
Languages : en
Pages : 532
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Book Description
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.
Author: Zach N. Adelman
Publisher: Academic Press
ISBN: 0128004053
Category : Medical
Languages : en
Pages : 487
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Book Description
Genetic Control of Malaria and Dengue focuses on the knowledge, technology, regulation and ethics of using genetically modified mosquitoes to interrupt the transmission of important vector-borne diseases including Malaria. It contains coverage of the current state of knowledge of vector-borne diseases and how they are currently controlled; vaccine, drug and insecticide development; various strategies for altering the genome of mosquitoes in beneficial ways; and the regulatory, ethical and social environment concerning these strategies. For more than five decades, the prospect of using genetically-modified mosquitoes to control vector-borne disease transmission has been a purely hypothetical scenario. We simply did not have the technology or basic knowledge to be able to do it. With the explosion of field trials and potential interventions in development, Genetic Control of Malaria and Dengue provides a comprehensive overview of research in genetics, microbiology, virology, and ecology involved in the development and implementation of genetic modification programs for virus and disease control. This book is meant to provide a practical guide to researchers, regulators and the general public about how this technology actually works, how it can be improved, and what is still unknown. Includes coverage of vectorial capacity, critical to understanding vector-borne disease transmission Provides a summary of the concepts of both population suppression and population replacement Contains pivotal coverage of ethical and ecological ramifications of genetics-based control strategies
Author: Katherine K. Donegan
Publisher:
ISBN:
Category : Bacillus sphaericus
Languages : en
Pages : 138
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Book Description
Interactions between Bacillus sphaericus and Bacillus thuringiensis israelensis (Bti), persistence of insecticidal activity in the mosquito habitat, and suitability of enzyme-linked immunoabsorbent assay (ELISA) for detecting and quantifying bacterial endotoxin in the mosquito habitat were investigated. Interactions between the two bacterial species were examined by laboratory and field bioassays with larvae of Culex pipiens. In laboratory bioassays, B. sphaericus and Bti acted independently. Antagonistic interactions occurred with combinations of a low concentration of one bacterium with a high concentration of the second, however. In field bioassays, all interactions between Bti and B. sphaericus were antagonistic. Field bioassays with C. pipiens indicated no persistence of insecticidal activity of either Bti or B. sphaericus after two treatments and persistence of only B. sphaericus after 3 and 4 treatments. Organic matter and high temperatures adversely affected the accuracy of ELISA for detecting and quantifying bacteria in the mosquito habitat and may play a major role in detoxification of bacterial endotoxin in nature.
Author: Ann E. Hajek
Publisher: Cambridge University Press
ISBN: 9780521653855
Category : Gardening
Languages : en
Pages : 396
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Book Description
Publisher Description
Author: Stanislav Trdan
Publisher: BoD – Books on Demand
ISBN: 9535122584
Category : Technology & Engineering
Languages : en
Pages : 452
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Book Description
This book contains 20 chapters, which are divided into 5 sections. Section 1 covers different aspects of insecticide resistance of selected economically important plant insect pests, whereas section 2 includes chapters about the importance, development and insecticide resistance management in controlling malaria vectors. Section 3 is dedicated to some general questions in insecticide resistance, while the main topic of section 4 is biochemical approaches of insecticide resistance mechanisms. Section 5 covers ecologically acceptable approaches for overcoming insecticide resistance, such are the use of mycoinsecticides, and understanding the role of some plant chemical compounds, which are important in interactions between plants, their pests and biological control agents.
Author: Yoshinori Tanada
Publisher: Academic Press
ISBN: 0080926258
Category : Technology & Engineering
Languages : en
Pages : 681
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Book Description
Insect Pathology is designed for a broad spectrum of readers. Is should be useful to students, lecturers, and researchers requiring information about the principles in insect pathology and the biology of pathogens. It should serve as a resource for specialists to learn about other insect pathogen systems, for generalists to become aware of advances in insect pathology, and for scientists and students, beginning or otherwise, interested in learning about insect pathology. This book was originally intended to update the 1949 test by E. A. Steinhaus entitled Principles of Insect Pathology. The purpose for this book was twofold: To serve (1) as a text for an insect pathology and/or biological control class and (2) as a comprehensive reference source. Because this book summarizes much of the available information, its usefulness as a textbook for an insect pathology class is apparent. Although the literature citations are extensive, they are far from complete. The literature in insect pathology is voluminous and for the past decade has been expanding at an almost exponential rate. A complete review of the literature is beyond the scope of the book, and an omission of a reference does not preclude its importance. Our citations, however, should serve as a good starting point for those who wish to obtain further information. We have attempted to cover equally all subdisciplines, but shortcomings are unavoidable. For these, we take full responsibility.
Author: Christine Lamenha Luna-Finkler
Publisher:
ISBN: 9789533077802
Category :
Languages : en
Pages :
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Book Description