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在Hyalomma marginatum和Rhipicephalus bursa的虫中,Rickettsial病原体驱动着微生物群的聚集

Apolline Maitre^1,2,3, Alejandra Wu-Chuang¹, Lourdes Mateos-Hernández¹

¹ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, France.

Molecular ecology

|June 27, 2023

概括

携带的Rickettsia增强了的细菌群体稳定性. 这些病原体影响微生物相互作用和核心微生物群组成,尽管它们的网络中心性较低.

科学领域:

微生物学微生物学
生态生态学生态生态学
载体生物学载体生物学

背景情况:

传播的病原体 (TBPs) 通常是二次获得的,在微生物群落中产生优先效应.
已建立的TBPs在调节的细菌微生物群和社区稳定的作用仍然不清楚.

研究的目的:

调查传播的Rickettsia对Hyalomma marginatum和Rhipicephalus bursa的细菌微生物群的功能和稳定性的影响.
为了确定瑞克特西亚是否影响细菌社区组合和核心微生物群组成.

主要方法:

16S rRNA amplicon测序和虫微生物群的共发生网络分析.
高通量病原体检测和在片中去除Rickettsia以评估网络属性.
分析细菌社区聚集模式和核心微生物群在里克特西亚存在或不存在的情况下.

主要成果:

里克特西亚,尽管网络中心性较低,但表现出优势连接,特别是与H. marginatum的一个基石分类.
里克特西亚的移除改变了保存的社区聚集模式,表明其作为微生物社区结构驱动者的作用.
里克特西亚的去除对核心细菌微生物群的影响很小,但改变了网络层次相互作用.

结论:

传播的瑞克菌显著影响细菌微生物群的结构和功能.
里克特西亚是微生物社区聚集的驱动因素,促进了整个社区的稳定性.
这项研究强调了特定病原体在塑造其载体内的微生物生态系统中的关键作用.

关键词:

这种植物叫Hyalomma marginatum.里皮塞法卢斯 (Rhipicephalus bursa) 是一个巨大的.里克特西亚 (Rickettsia) 是一个古老的植物.我们的微生物群.网络网络网络网络网络网络的,的,的,的,的,的.

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