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US6071511A Bacillus thuringiensis isolates, toxins, and genes selectively active against certain coleopteran pests 失效
苏云金芽孢杆菌分离株,毒素和对某些鞘翅目害虫选择性活性的基因

Bacillus thuringiensis isolates, toxins, and genes selectively active
against certain coleopteran pests
摘要:
The subject invention concerns Bacillus thuringiensis microbes with activity against select coleopteran pests, e.g., Diabrotica sp., Hypera sp., and various flea beetles. For example, the B.t. isolates of the invention are active against alfalfa weevils (AW, Hypera brunneipennis), rape flea beetles (RFB, Phyllotreta cruciferae), and corn rootworms (CRW, Diabrotica undecimpunctata undecimpunctata). Thus, these microbes can be used to control these pests. Further, genes encoding toxins active against these pests can be isolated from the B.t. isolates and used to transform other microbes. The transformed microbes then can be used to control susceptible coleopteran pests. In preferred embodiments, a gene from PS140E2 is used to transform plants so that the transformed plants are resistant to flea beetles of the genus Phyllotreta.
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