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22.578 Keywords • 48.715 Synonyms • 5.294 Translations • 7.917 Pronunciations • 148.001 Cross-references

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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, which 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 for certain insects. The toxins protect the roots from damage by insects. Genes transferred into crops cause the plants to independently produce Bt toxins. These have a lethal effect on the larvae of insects of the orders of the Beetle. butterflies and two-winged insects (mosquitoes and flies). After being eaten by the larvae, it releases into its intestines and unfolds its deadly effect. In plants and vertebrates such. B. humans, however, the bacterium is ineffective 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 remedies are also called biological insecticides designated. In viticulture, the remedy for caterpillars of cutworm. Rhombenspanner. Springwurmwickler and grape used. There are also special bacterial strains against mosquitoes and beetles. In the early 1990s, one study found that too useful Insects are killed. Another study showed that Bacillus thuringiensis, the anthrax Bacillus anthracis and the food-borne bacillus cereus are species of a single species. Whether Bacillus thuringiensis causes diarrhea or other diseases is not yet clear.

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