CeJAZ3 suppresses longifolene accumulation in Casuarina equisetifolia, affecting the host preference of Anoplophora chinensis
文献类型： 外文期刊
第一作者： Yang, Hua
作者： Yang, Hua;Jiang, Lijuan;Bao, Xiaochun;Liu, Haolan;Xu, Qianle;Li, Jian;Yang, Hua;Jiang, Lijuan;Bao, Xiaochun;Liu, Haolan;Xu, Qianle;Li, Jian;Yao, Xingliang;Su, Jun;Cai, Shouping;Fang, Yu
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期刊名称：PEST MANAGEMENT SCIENCE （ 影响因子：3.8； 五年影响因子：4.3 ）
ISSN： 1526-498X
年卷期： 2025 年 81 卷 4 期
页码：
收录情况： SCI
摘要： BACKGROUNDCasuarina equisetifolia, a crucial species of coastal windbreaks, is highly susceptible to infestation by Anoplophora chinensis. This stem-boring pest poses a significant threat to the health and sustainability of Casuarina equisetifolia forests. Understanding the molecular mechanisms underlying the host preference of A. chinensis to Casuarina equisetifolia is essential for developing effective pest management strategies.RESULTSThrough field surveys, we identified two cultivars of Casuarina equisetifolia that exhibited differing levels of host preference for A. chinensis. Further analysis of multi-omics data (phenomics, transcriptomics, and metabolomics) from these cultivars revealed that longifolene plays a significant role in attracting A. chinensis to Casuarina equisetifolia. Additionally, the jasmonic acid (JA) signaling pathway was found to suppress longifolene accumulation, primarily through the interaction between the jasmonate ZIM-domain (JAZ) proteins and the terpene synthase (TPS) gene. Moreover, we identified a critical JAZ component, CeJAZ3, whose overexpression led to the down-regulation of TPS expression levels and, consequently, a reduced release of longifolene.CONCLUSIONWe confirmed that the negative regulator of host preference, CeJAZ3, in the JA signaling pathway can suppress the expression of TPSs, thereby down-regulating the accumulation of longifolene in Casuarina equisetifolia and indirectly suppressing the attraction of host plants to A. chinensis, which provides a basis for the integrated management of A. chinensis. (c) 2024 Society of Chemical Industry.
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