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The bacterium $Bacillus\ thuringiensis$ is widely used in contemporary biology as
A
Source of industrial enzyme
B
Indicator of water pollution
C
Insecticide
D
Agent for production of dairy products
Detailed Solution
Some strains of $Bacillus\ thuringiensis$ produce protein crystals containing a toxic insecticidal protein (Bt toxin) that kills certain insects such as lepidopterans (tobacco budworm, armyworm), coleopterans (beetles) and dipterans (flies, mosquitoes).
Dried spores of the bacterium are sprayed on crops as a bioinsecticide.
The Bt toxin (cry) genes have also been introduced into crop plants such as cotton, corn, rice, tomato, potato and soyabean to make them insect resistant.
Hence $Bacillus\ thuringiensis$ is widely used as an insecticide.
Dried spores of the bacterium are sprayed on crops as a bioinsecticide.
The Bt toxin (cry) genes have also been introduced into crop plants such as cotton, corn, rice, tomato, potato and soyabean to make them insect resistant.
Hence $Bacillus\ thuringiensis$ is widely used as an insecticide.