2005, 44, 3, 253-263



Elżbieta Lonc, Sylwia Andrzejczak

Uniwersytet Wrocławski, Instytut Genetyki i Mikrobiologii, Zakład Parazytologii,
ul. Przybyszewskiego 63/67, 51-148 Wrocław

Wpłynęło w kwietniu 2005 r.

1. Wprowadzenie. 2. Charakterystyka toksyn Bacillus thuringiensis. 3. Docelowe organizmy i ich receptory. 4. Poszukiwania nowych toksyn B. thuringiensis. 5. Rozwój oporności na delta-endotoksyny. 6. Genetyka B. thuringiensis. 7. Ekologia B. thuringiensis. 8. Bezpieczeństwo B. thuringiensis dla człowieka. 9. Podsumowanie

Biodiversity of toxins od Bacillus thuringiensis and their application

Abstract: Crystal toxin proteins from B. thuringiensis are used extensively to control insect pest. The success of these toxins is caused in large part by their high toxicity toward insects but no toxicity toward other animals. During the past 5 years B. thuringiensis has been subject of intensive research. These efforts have yielded considerable data about the complex relationship between the structure, mechanism of action, and genetics of the organism's pesticidal crystal proteins. Other studies have focused on the ecological role of the B. thuringiensis toxins, their performance in agriculture and other natural settings. Now, with the tools of modern bio-technology, researchers can construct more useful toxins and formulation. Cognition of environmental conditions of growth of B. thuringiensis strains is important because of practical and technological application. Easy technique of isolation these bacteria reduce high costs of production of bioinsecticides.

1. Introduction. 2. Characteristic of B. thuringiensis toxins. 3. Target organisms and their receptors. 4. New endotoxins research. 5. Development of resistance to endotoxins. 6. Genetics of B. thuringiensis. 7. Ecology of B. thuringiensis. 8. B. thuringiensis safety. 9. Summary

Słowa kluczowe: biopreparaty, delta-endotoksyny, owadobójczość
Keywords:            biopreparates, delta-endotoxins, insecticide


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