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Characterization of cry Genes in a Mexican Bacillus thuringiensis Strain Collection
TLDR
The results indicate the presence of strains that may harbor potentially novel Cry proteins as well as strains with combinations of less frequently observed cry genes, which could lead to novel bioinsecticidal products.
Bacillus thuringiensis subsp. israelensis Cyt1Aa synergizes Cry11Aa toxin by functioning as a membrane-bound receptor.
TLDR
Evidence is provided that Cyt1Aa functions as a receptor of Cry11Aa, a highly effective pathogenic bacterium that produces a toxin and also its functional receptor, promoting toxin binding to the target membrane and causing toxicity.
Bacillus thuringiensis insecticidal three-domain Cry toxins: mode of action, insect resistance and consequences for crop protection.
TLDR
Activity of Cry1AMod toxins, which are able to form toxin oligomers in the absence of receptors, against different resistant populations, supports the hypothesis that toxin oligomerization is a limiting step in the Cry insecticidal activity.
A GPI-anchored alkaline phosphatase is a functional midgut receptor of Cry11Aa toxin in Aedes aegypti larvae.
TLDR
Results shows that GPI-ALP is an important receptor molecule involved in Cry11Aa interaction with midgut cells and toxicity to Ae.
Engineering Modified Bt Toxins to Counter Insect Resistance
TLDR
It is suggested that cadherin promotes Bt toxicity by facilitating toxin oligomerization and it is demonstrated that the modified Bt toxins may be useful against pests resistant to standard BT toxins.
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