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青春期激素增强了熊蜂中的病毒活性

Assaf Tzdaka¹, Elad Bonda², Adam G Dolezal³

¹Department of Entomology, Agricultural Research Organization, The Volcani Institute, Rishon LeZion, Israel; The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University in Jerusalem, Rehovot, Israel.

Journal of invertebrate pathology

|February 27, 2026

概括

青春激素 (JH) 显著增加了以色列急性病毒 (IAPV) 在熊蜂中的复制,特别是在脂肪体和卵巢中. 这种对蜜蜂病毒的荷尔蒙作用突显了宿主生理学和病毒病原体之间的关键联系.

科学领域:

昆虫病理学昆虫病理学
内分泌学在内分泌学.
病毒学病毒学

背景情况:

蜜蜂面临着病毒感染的重大威胁,影响个人健康和蜂群生存.
病毒依赖宿主细胞资源进行复制,使宿主因素对病毒活动至关重要.
青春激素 (JH) 是一种关键的昆虫调节剂,影响繁殖和新陈代谢率.

研究的目的:

为了研究青春激素 (JH) 对蜜蜂病毒复制的影响.
为了确定升高的JH水平是否以组织特定的方式促进病毒复制.
探索JH,病毒病原和蜜蜂免疫系统之间的关系.

主要方法:

使用了大蜂 (Bombus terrestris) 和以色列急性病毒 (IAPV) 模型系统.
在自然低和自然高JH水平的前隔膜和后隔膜女王中比较IAPV复制.
在感染前给出JH给预尿期女王,以确定因果关系,并检查各种组织中的病毒载量.
测量了关键免疫基因的表达水平,以评估免疫系统的参与.

主要成果:

隔离期后的女王 (高JH) 与隔离期前的女王 (低JH) 相比,在脂肪体和卵巢中表现出明显更高的IAPV负载.
在糖尿病前期女王的外源性JH应用导致脂肪体和卵巢中的病毒转录水平大幅增加.
当JH补充在隔离期后的女王中时,没有观察到病毒标位的额外增加,这表明了天花板效应.
没有发现主要免疫基因表达的显著变化,这表明JH的影响独立于免疫调节.

结论:

青春激素 (JH) 显然可以在特定的熊蜂组织中增强IAPV复制,特别是脂肪体和卵巢.
由JH观察到的病毒复制的增强可能是由增加的代谢率而不是免疫系统的变化介导的.
这项研究揭示了昆虫激素和病毒性疾病进展之间的关键联系,为蜜蜂健康和感染易感性提供了新的见解.

关键词:

熊熊蜂是什么意思?熊熊蜂是什么意思内分泌系统内分泌系统免疫系统的免疫系统.以色列的急性病毒.年轻人的激素.

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