和它们相关的甲虫之间共享的微生物共生体
Catalina Valdivia1, Justin A Newton2, Christoph von Beeren3,4
1Institute of Environmental Sciences, Faculty of Biology, Jagiellonian University, Kraków, Poland.
Environmental microbiology
|November 16, 2023
概括
军和他们的昆虫客人共享微生物共生体,挑战了以前的假设. 像韦塞拉这样的多功能细菌可以在不同的宿主和环境中传播,揭示了复杂的微生物动态.
科学领域:
- 微生物学 微生物学
- 进化生物学 进化生物学
- 生态生态学 生态生态学
背景情况:
- 微生物共生体跨物种传播影响动物生物学和进化.
- 军及其关联的菌昆虫为研究跨物种微生物共享提供了一个模型系统.
研究的目的:
- 为了比较军 (Eciton burchellii) 的微生物群和它们的虫客人.
- 为了研究相互作用的昆虫物种之间微生物共生体传播的模式.
主要方法:
- 使用16S rRNA amplicon测序分析了工人,幼虫和13种甲虫虫中的细菌群体.
- 分析了蛋白质编码基因序列,以确认特定细菌菌株之间的关系.
主要成果:
- 成人军的专业细菌共生体在幼虫和中基本上缺席.
- 幼虫和友菌中的微生物群落主要由里克特西亚,沃尔巴基亚,里克特塞拉和韦塞拉组成.
- 这些细菌的相同的16S rRNA基因型经常在不同的菌类物种和幼虫中共享.
- 韦塞拉菌株在幼虫,一些工作者和友中显示出密切的关系,并且与鱼和鱼中发现的菌株相似.
结论:
- 密切相互作用的昆虫物种可以共享其微生物群的很大一部分.
- 某些多才多艺的细菌物种,如韦塞拉菌,可以在广泛的宿主和环境中居住并潜在地传播.
- 这项研究强调了在生态社区共享微生物共生体的动态性质.
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