热应激及其对帕特尼甲虫肠道微生物群的影响
Parinita Singh1, Prema Haldhar1, Tamal Das1
1Department of Zoology, Banaras Hindu University, Varanasi, India.
Archives of insect biochemistry and physiology
|April 8, 2025
概括
温度压力显著改变了帕特尼甲虫 (Zygogramma bicolorata) 的肠道微生物组. 这项研究揭示了肠道微生物如何帮助这些昆虫适应不断变化的环境.
科学领域:
- * 昆虫微生物学 昆虫微生物学
- * 环境压力生物学
- * 生物控制剂 生物控制剂
背景情况:
- *肠道微生物群对于宿主营养利用和免疫适应至关重要.
- * 帕特尼甲虫 (Zygogramma bicolorata) 是一种生物控制剂,面临环境温度波动.
- *了解热应激对昆虫肠道微生物的影响对于生态适应研究至关重要.
研究的目的:
- * 调查冷,控制和热温度条件对Zygogramma bicolorata肠道微生物群的影响.
- * 为了识别因热应激而导致的细菌多样性和组成的变化.
- * 通过PICRUSt2分析,探索这些微生物变化的功能影响.
主要方法:
- * 16S安普利康测序用于分析肠道微生物组.
- * 细菌群体在三个温度条件下进行了评估:15°C (冷),27°C (控制) 和35°C (热).
- *使用α多样性测量和主要坐标分析 (PCoA) 来评估微生物多样性和结构的变化. 使用PICRUSt2进行功能预测.
主要成果:
- *温度压力显著影响了Z. bicolorata肠道微生物群的α多样性.
- *主要坐标分析表明,在不同温度处理过程中,微生物组合有明显的变化.
- *发现的细菌系中最为丰富的细菌系是Firmicutes,Proteobacteria和Cyanobacteria.
结论:
- * 热应激明显改变了帕特尼甲虫的肠道微生物组合和多样性.
- *肠道微生物群似乎在Z. bicolorata对温度波动的生态适应中发挥着作用.
- *这些发现强调了肠道微生物在环境压力下维持昆虫健康的重要性.
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