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  2. Bacillus thuringiensis - Wikipedia

    en.wikipedia.org/wiki/Bacillus_thuringiensis

    Bacillus thuringiensis (or Bt) is a gram-positive, soil-dwelling bacterium, the most commonly used biological pesticide worldwide. B. thuringiensis also occurs naturally in the gut of caterpillars of various types of moths and butterflies , as well on leaf surfaces, aquatic environments, animal feces, insect-rich environments, flour mills and ...

  3. Delta endotoxins - Wikipedia

    en.wikipedia.org/wiki/Delta_endotoxins

    The activated region of the delta toxin is composed of three distinct structural domains: an N-terminal helical bundle domain (InterPro: IPR005639) involved in membrane insertion and pore formation; a beta-sheet central domain involved in receptor binding; and a C-terminal beta-sandwich domain (InterPro: IPR005638) that interacts with the N-terminal domain to form a channel.

  4. Bt cotton - Wikipedia

    en.wikipedia.org/wiki/Bt_cotton

    Strains of the bacterium Bacillus thuringiensis produce over 200 different Bt toxins, each harmful to different insects.Most notably, Bt toxins are insecticidal to the larvae of moths and butterflies, beetles, cotton bollworms and flies but are harmless to other forms of life. [1]

  5. Biological pest control - Wikipedia

    en.wikipedia.org/wiki/Biological_pest_control

    Bacillus thuringiensis, a soil-dwelling bacterium, is the most widely applied species of bacteria used for biological control, with at least four sub-species used against Lepidopteran (moth, butterfly), Coleopteran (beetle) and Dipteran (true fly) insect pests.

  6. List of genetically modified crops - Wikipedia

    en.wikipedia.org/wiki/List_of_genetically...

    Most currently available genes used to engineer insect resistance come from the Bacillus thuringiensis bacterium. Most are in the form of delta endotoxin genes known as cry proteins, while a few use the genes that encode for vegetative insecticidal proteins. [24]

  7. Bacillus thuringiensis israelensis - Wikipedia

    en.wikipedia.org/wiki/Bacillus_thuringiensis...

    Bacillus thuringiensis serotype israelensis (Bti) is a group of bacteria used as biological control agents for larvae stages of certain dipterans. Bti produces toxins which are effective in killing various species of mosquitoes, fungus gnats, and blackflies, while having almost no effect on other organisms.

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