Welcome to our book review site go-pdf.online!
You may have to Search all our reviewed books and magazines, click the sign up button below to create a free account.
Bacterial Control of Mosquitoes & Black Flies
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 o...
Bacillus thuringiensis Biotechnology
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, ...
Bacillus thuringiensis and Lysinibacillus sphaericus
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.
Bacillus Thuringiensis
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.
Bt Resistance
Bacillus thuringiensis (Bt) bacteria use Cry proteins to kill their insect larval hosts. The expression of certain Cry toxins in transgenic crops has been widely used to achieve efficient control of insect pests. This book describes the use of Bt crops and the emerging problem of resistance, recent progress in understanding the mechanism of action of Bt toxins, different resistance mechanisms and strategies to cope with resistance in the field. It describes resistant insects found in the field in different countries, particularly in the developing world, and ways to counter resistance such as gene stalking, refuges, modified toxins and gene discovery of novel toxins with different mode of action.
Entomopathogenic Bacteria: from Laboratory to Field Application
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.
Bacillus Thuringiensis, An Environmental Biopesticide
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...
Insect Resistance in Crops
Overview of insect resistance mechanisms in crops; From Bt biopesticides to transgenic crops; The potential of Bt transgenic crops to substitute for traditional insecticide use; Current status of field trials with, and comercialization of Bt crops; Management strategies of Bt deployment; Issues related to the transfer of Bt technology; Conclusions and the future of insect resistant crops in developing countries.
