The modification involves taking genes from a soil bacterium, called Bacillus thuringiensis, and making them part of the plants themselves.
(The modification; involves; taking genes from a soil bacterium, called Bacillus thuringiensis, and making them part of the plants) (a soil bacterium; called; Bacillus thuringiensis)
The modification a soil bacterium
involves called
taking genes from a soil bacterium, called Bacillus thuringiensis, and making them part of the plants
Bacillus thuringiensis