Bacillus thuringiensis is a gram positive bacteria that produces an insecticidal crystal protein that selectively kills insect pests, providing human health and environmental benefits.

• 苏云金杆菌是一种革兰氏阳性细菌,它能产生对害虫专一性的杀虫晶体蛋白,具有对人类健康和环境安全的优点。