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Evolutionary patterns of host switching, lifestyle mode, and the diversification history in symbiotic zoantharians
Kise, H.; Eduarda Alves Santos, M.; Julie Loïs Fourreau, C.; Iguchi, A.; Goto, R.; Davis Reimer, J. (2023). Evolutionary patterns of host switching, lifestyle mode, and the diversification history in symbiotic zoantharians. Mol. Phylogenet. Evol. 182: 107732. https://dx.doi.org/10.1016/j.ympev.2023.107732
In: Molecular Phylogenetics and Evolution. Elsevier: Orlando, FL. ISSN 1055-7903; e-ISSN 1095-9513
|  |
| Trefwoorden |
Biogeny > Phylogeny
Interspecific relationships > Symbiosis
Marien/Kust |
| Author keywords |
Host shift; Interspecies interactions; Ancestral state reconstruction |
| Auteurs | | Top |
- Kise, H.
- Eduarda Alves Santos, M.
- Julie Loïs Fourreau, C.
|
- Iguchi, A.
- Goto, R.
- Davis Reimer, J.
|
|
| Abstract |
Symbioses play important roles in forming the structural and distributional patterns of marine diversity. Understanding how interspecies interactions through symbioses contribute to biodiversity is an essential topic. Host switching has been considered as one of the main drivers of diversification in symbiotic systems. However, its process and patterns remain poorly investigated in the marine realm. Hexacoral species of the order Zoantharia (=zoantharians) are often epizoic on other marine invertebrates and generally use specific taxa as hosts. The present study investigates the patterns of host switching and the diversification history of zoantharians based on the most comprehensive molecular phylogenetic analyses to date, using sequences from three mitochondrial and three nuclear markers from representatives of 27 of 29 genera. Our results indicate that symbiotic zoantharians, in particular those within suborder Macrocnemina, diversified through repeated host switching. In addition, colonization of new host taxa appears to have driven morphological and ecological specialization in zoantharians. These findings have important implications for understanding the role of symbioses in the morphological and ecological evolution of marine invertebrates. |
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