Recent progress on the interaction between insects and Bacillus thuringiensis crops

文献类型： 外文期刊

第一作者： Xiao, Yutao

作者： Xiao, Yutao;Wu, Kongming

作者机构：

关键词： Bt crops; pest; transgenic technology; resistance

期刊名称：PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES （ 影响因子：6.237； 五年影响因子：7.828 ）

ISSN： 0962-8436

年卷期： 2019 年 374 卷 1767 期

页码：

收录情况： SCI

摘要： Extensive use of chemical pesticides poses a great threat to the environment and food safety. The discovery of Bacillus thuringiensis (Bt) toxins with effective insecticidal activity against pests and the development of transgenic technology of plants opened a new era of pest control. Transgenic Bt crops, including maize, cotton and soya bean, have now been produced and commercialized to protect against about 30 major coleopteran and lepidopteran pests, greatly benefiting the environment and the economy. However, with the long-term cultivation of Bt crops, some target pests have gradually developed resistance. Numerous studies have indicated that mutations in genes for toxins activation, toxin-binding and insect immunization are important sources in Bt resistance. An in-depth exploration of the corresponding Bt-resistance mechanisms will aid in the design of new strategies to prevent and control pests. Future research will focus on Bt crops expressing new genes and multiple genes to control a broader range of pests as part of an integrated pest management programme. This article is part of the theme issue 'Biotic signalling sheds light on smart pest management'.

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