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The Bacillus thuringiensis isolate JF19-2, a native organism found in soil samples from the Sichuan Basin in western China, contains a bipyramidal crystal harbouring one insecticidal crystal protein (about 70 kDa). Interestingly, a novel cry2A-type gene, encoding a 635 amino acid protein with 92% homology to cry2Ab1, was found and cloned from this strain. According to the nomenclature principles adopted...
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