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Bacillus thuringiensis

A rod-shaped bacterium (short Bt) from the order Bacillaceae. The name came from the fact that it was isolated in 1911 from a flour moth that came from a mill in Thuringia. It is a soil bacterium that lives in the company of plant roots and contains a protein crystal that is toxic to certain insects. The toxins protect the roots from damage by insects. Genes transferred to crop plants cause the plants to produce Bt toxins independently. These are fatal to the larvae of insects of the order of the Beetle. butterflies and two-wingers (mosquitoes and flies). After being eaten by the larvae, it is released in their intestines and has a lethal effect. In plants and vertebrates such. B. However, the bacterium is ineffective in humans and is completely biodegradable.

Bacillus thuringiensis

The bacterium is used for biological pest control in agriculture and forestry and in the control of disease-transmitting insects. Such agents are also called biological insecticides designated. In viticulture, the remedy for caterpillars from cutworm. Rhombenspanner. Springwurmwickler and grape used. There are also special strains of bacteria against snakes (mosquitoes) and beetles. In the early 1990s, a study found that too useful Insects are killed. Another study showed that Bacillus thuringiensis, the anthrax pathogen Bacillus anthracis and the food-poisoning Bacillus cereus are varieties of a single species. It is not yet clear whether Bacillus thuringiensis causes diarrhea or other diseases.

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