Keywords Bacillus thuringiensis;engineered strain;insecticidal crystal protein;vegetative insecticidal protein;recrystallization;chemeric proteins.;

• 苏云金芽孢杆菌工程菌;杀虫晶体蛋白;营养期杀虫蛋白;蛋白结晶;嵌合蛋白;