Explosive networking: The role of adaptive host radiations and ecological opportunity in a species-rich host–parasite assembly,Ecology Letters

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Explosive networking: The role of adaptive host radiations and ecological opportunity in a species-rich host–parasite assembly
Ecology Letters ( IF 7.6 ) Pub Date : 2022-06-21 , DOI: 10.1111/ele.14059
Armando J Cruz-Laufer ₁ , Tom Artois ₁ , Stephan Koblmüller ₂ , Antoine Pariselle _{3,

4} , Karen Smeets ₁ , Maarten Van Steenberge _{1,

5,

6} , Maarten P M Vanhove _{1,

5}

Affiliation

Many species-rich ecological communities emerge from adaptive radiation events. Yet the effects of adaptive radiation on community assembly remain poorly understood. Here, we explore the well-documented radiations of African cichlid fishes and their interactions with the flatworm gill parasites Cichlidogyrus spp., including 10,529 reported infections and 477 different host–parasite combinations collected through a survey of peer-reviewed literature. We assess how evolutionary, ecological, and morphological parameters determine host–parasite meta-communities affected by adaptive radiation events through network metrics, host repertoire measures, and network link prediction. The hosts' evolutionary history mostly determined host repertoires of the parasites. Ecological and evolutionary parameters predicted host–parasite interactions. Generally, ecological opportunity and fitting have shaped cichlid-Cichlidogyrus meta-communities suggesting an invasive potential for hosts used in aquaculture. Meta-communities affected by adaptive radiations are increasingly specialised with higher environmental stability. These trends should be verified across other systems to infer generalities in the evolution of species-rich host–parasite networks.

中文翻译：

爆炸性网络：适应性宿主辐射和生态机会在物种丰富的宿主-寄生虫组装中的作用

许多物种丰富的生态群落出现在适应性辐射事件中。然而，适应性辐射对群落组装的影响仍然知之甚少。在这里，我们探索了有据可查的非洲慈鲷的辐射及其与扁虫鳃寄生虫Cichlidogyrus的相互作用spp.，包括通过同行评审文献调查收集的 10,529 例报告感染和 477 种不同的宿主-寄生虫组合。我们评估进化、生态和形态参数如何通过网络度量、宿主库测量和网络链接预测来确定受自适应辐射事件影响的宿主-寄生虫元社区。宿主的进化史主要决定了寄生虫的宿主库。生态和进化参数预测宿主 - 寄生虫相互作用。一般来说，生态机会和适应性塑造了慈鲷-Cichlidogyrus元社区表明水产养殖中使用的宿主具有入侵潜力。受适应性辐射影响的元社区越来越专业化，具有更高的环境稳定性。这些趋势应该在其他系统中得到验证，以推断物种丰富的宿主 - 寄生虫网络进化的普遍性。

更新日期：2022-06-21

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