iJAZ-based approach to engineer lepidopteran pest resistance in multiple crop species
文献类型: 外文期刊
第一作者: Mo, Huijuan
作者: Mo, Huijuan;Chang, Huimin;Zhao, Ge;Jia, Xue;Xu, Zhenlu;Ren, Guangming;Ren, Maozhi;Li, Fuguang;Mo, Huijuan;Chang, Huimin;Hu, Guanjing;Li, Fuguang;Hu, Guanjing;Luo, Xiumei;Feng, Li;Ren, Maozhi;Wendel, Jonathan F.;Chen, Xiaoya;Li, Fuguang
作者机构:
期刊名称:NATURE PLANTS ( 影响因子:18.0; 五年影响因子:18.6 )
ISSN: 2055-026X
年卷期: 2024 年 10 卷 5 期
页码:
收录情况: SCI
摘要: The fall armyworm (FAW) poses a significant threat to global crop production. Here we showed that overexpression of jasmonate ZIM-domain (JAZ) protein GhJAZ24 confers resistance to cotton bollworm and FAW, while also causing sterility in transgenic cotton by recruiting TOPLESS and histone deacetylase 6. We identified the NGR motif of GhJAZ24 that recognizes and binds the aminopeptidase N receptor, enabling GhJAZ24 to enter cells and disrupt histone deacetylase 3, leading to cell death. To overcome plant sterility associated with GhJAZ24 overexpression, we developed iJAZ (i, induced), an approach involving damage-induced expression and a switch from intracellular to extracellular localization of GhJAZ24. iJAZ transgenic cotton maintained fertility and showed insecticidal activity against cotton bollworm and FAW. In addition, iJAZ transgenic rice, maize and tobacco plants showed insecticidal activity against their lepidopteran pests, resulting in an iJAZ-based approach for generating alternative insecticidal proteins with distinctive mechanisms of action, thus holding immense potential for future crop engineering. In this study, Mo et al. describe a novel biotechnological strategy to produce crop plants resistant to lepidopteran pests.
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