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Cloning and analysis of delta-endotoxin genes from Bacillus thuringiensis subsp. alesti
1Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47907.
Journal of Bacteriology
|October 1, 1991
Abstract:
Bacillus thuringiensis subsp. alesti produced only CryIA(b)-type protoxins, and three cryIA(b) genes were cloned. One was cryptic because of an alteration near the 5' end, and the other two were very similar to each other. The protoxin encoded by one of the latter genes differed from other CryIA(b) protoxins in its greater stability and relative toxicity for two members of the order Lepidoptera.