2007•Unpublished venueRequires access
Bacillus thuringiensis toxins trigger receptor shedding from gypsy moth midgut cells
Algimantas P. Valaitis
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Abstract
The mechanism of action of the Cry1 insecticidal proteins produced by Bacillus thuringiensis (Bt) begins with the processing of these proteins in the larval gut. After proteolytic activation, the Bt toxins bind to specific midgut receptors and insert into the membrane of the gut epithelial cells, causing insect death.