在火的社会免疫系统中,一种与气味结合的蛋白质起作用,与先天免疫相互作用
Wei Zhang1,2,3, Xuanyu Chen1, Jiaxin Tian1
1State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering (Ministry of Education), Guizhou University, Guiyang, Huaxi District 550025, People's Republic of China.
Open biology
|February 11, 2025
概括
火使用特定的化学线索,如酸,触发尸体的肢解和酸以抑制它,通过嗅觉和免疫蛋白调解. 这控制了微生物感染期间的社会免疫行为.
科学领域:
- 化学生态化学生态学
- 昆虫的行为昆虫的行为
- 社会豁免权 - 社会豁免权
背景情况:
- 昆虫的社会免疫包括尸体被巢友移除,但化学信号的理解很差.
- 了解这些信号对于昆虫的健康和抗病能力至关重要.
研究的目的:
- 确定红色进口火Solenopsis invicta*中介于卫生行为中的化学线索和受体蛋白.
- 阐明在社会昆虫防御中将嗅觉和天生的免疫联系在一起的分子机制.
主要方法:
- 气色谱-质谱测量用于识别皮状碳化合物.
- 酵母两杂交查和蛋白质与蛋白质相互作用测试以确定结合伙伴.
- RNA干扰 (RNAi) 用于评估行为中的基因功能.
主要成果:
- 贝酸诱导肢体分解,而油脂酸和烯酸酸则抑制了这一过程.
- 在Solenopsis invicta中,香料结合蛋白-15 (SiOBP15) 与阿波利波林-III (SiApoLp-III) 和脂肪酸结合蛋白-5 (SiFABP5) 相互作用.
- SiOBP15,SiApoLp-III和SiFABP5调解这些化学物质的识别,控制卫生行为.
结论:
- 特定的脂肪酸作为火社会免疫行为的化学线索.
- 一个涉及嗅觉和免疫蛋白质的分子电路将化学传感与卫生反应联系起来.
- 这项研究为昆虫如何通过社会免疫来检测和应对微生物威胁提供了一个机制.
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