Toxicity of Bacillus thuringiensis delta endotoxin is interrelated to larval midgut membrane receptor and its binding affinity and numbers.Binding to a specific receptor is an important determinant with respect to dif...
The large plasmids of strain 7653R were digested with restriction enzyme EcoRI. Their DNA fragments were cloned into the expression vector pMP220 to construct a lacZ fusion pool, which were transferred into the recipi...