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三种应激反应性调节了秋季军Spodoptera frugiperda的免疫力和发育

Hai-Yan Ren¹, Fang-Fang Liu¹, Chao-Peng Liang¹

¹Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei 230036, China; Key Laboratory of Agri-products Quality and Biosafety (Anhui Agricultural University), Ministry of Education, Hefei 230036, China.

Pesticide biochemistry and physiology

|December 1, 2025

概括

我们在侵袭性害虫Spodoptera frugiperda.中发现了三种应激反应性 (SRPs). 这些调节发育和免疫力,为害虫控制策略提供了潜在的新目标.

科学领域:

昆虫分子生物学昆虫分子生物学
害虫管理害虫管理害虫管理
免疫信号传递免疫信号传递

背景情况:

昆虫应激反应性 (SRPs) 对于发育和免疫非常重要.
它们在侵袭性害虫Spodoptera frugiperda中的具体作用尚不清楚.

研究的目的:

为了识别和表征SRP基因在Spodoptera frugiperda.
研究这些SRP在发育,免疫和应激反应中的功能.
探索它们作为害虫管理目标的潜力.

主要方法:

基因鉴定和鉴定 (RT-qPCR).
功能性检测包括注射和RNA干扰 (RNAi).
转录基因分析和信号通路分析 (NF-κB,JAK-STAT,IP3介导的Ca2+释放).

主要成果:

确定了三种SRP基因 (SfSRP1-3) 并发现它们是由病原体和环境压力因素诱导的.
注射影响了幼虫的生长,发育和细胞行为.
SfSRP3显著增强了免疫基因表达,其RNAi减少了感染后幼虫的存活率.
SfSRP3信号传递涉及IP3介导的Ca2+释放,对像SfIML-1这样的免疫因子进行上调.

结论:

在Spodoptera frugiperda中,SfSRP1-3充当发育和免疫信号的整合者.
这些代表着有希望的新目标,用于开发针对这种入侵物种的有效害虫管理策略.

关键词:

昆虫的免疫力昆虫的免疫力害虫管理害虫管理害虫管理它们是花鸟 (Spodoptera frugiperda) 的种类.这是一种应激反应性.

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