Microbiome divergence of marine gastropod species separated by the Isthmus of Panama.
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| Autores principales: | , , , |
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Applied and environmental microbiology
2024
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| _version_ | 1868266284974604289 |
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| author | Neu, Alexander T Torchin, Mark E Allen, Eric E Roy, Kaustuv |
| author_facet | Neu, Alexander T Torchin, Mark E Allen, Eric E Roy, Kaustuv Neu, Alexander T Torchin, Mark E Allen, Eric E Roy, Kaustuv |
| collection | PubMed - marine biology |
| contents | Microbiome divergence of marine gastropod species separated by the Isthmus of Panama. Neu, Alexander T Torchin, Mark E Allen, Eric E Roy, Kaustuv Animals Microbiota Gastropoda Panama Phylogeny Aquatic Organisms Bacteria Pacific Ocean Biological Evolution The rise of the Isthmus of Panama separated the populations of many marine organisms, which then diverged into new geminate sister species currently living in the Eastern Pacific Ocean and the Caribbean Sea. However, we know very little about how such evolutionary divergences of host species have shaped the compositions of their microbiomes. Here, we compared the microbiomes of whole-body and shell-surface samples of geminate species of marine gastropods in the genera and to those of congeneric outgroups. Our results suggest that the effects of ~3 million years of separation and isolation on microbiome composition varied among host genera and between sample types within the same hosts. In the whole-body samples, microbiome compositions of geminate species pairs tended to be similar, likely due to host filtering, although the strength of this relationship varied among the two groups and across similarity metrics. Shell-surface microbiomes show contrasting patterns, with co-divergence between the host taxa and a small number of microbial clades evident in but not . These results suggest that (i) isolation of host populations after the rise of the Isthmus of Panama affected microbiomes of geminate hosts in a complex and host-specific manner, and (ii) host-associated microbial taxa respond differently to vicariance events than the hosts themselves.IMPORTANCEWhile considerable work has been done on evolutionary divergences of marine species in response to the rise of the Isthmus of Panama, which separated two previously connected oceans, how this event shaped the microbiomes of these marine hosts remains poorly known. Using whole-body and shell-surface microbiomes of closely related gastropod species from opposite sides of the Isthmus, we show that divergences of microbial taxa after the formation of the Isthmus are often not concordant with those of their gastropod hosts. Our results show that evolutionary responses of marine gastropod-associated microbiomes to major environmental perturbations are complex and are shaped more by local environments than host evolutionary history. |
| format | Artículo científico |
| id | pubmed_39480095 |
| institution | PubMed |
| language | en |
| publishDate | 2024 |
| publisher | Applied and environmental microbiology |
| record_format | pubmed |
| spellingShingle | Microbiome divergence of marine gastropod species separated by the Isthmus of Panama. Neu, Alexander T Torchin, Mark E Allen, Eric E Roy, Kaustuv Animals Microbiota Gastropoda Panama Phylogeny Aquatic Organisms Bacteria Pacific Ocean Biological Evolution Microbiome divergence of marine gastropod species separated by the Isthmus of Panama. Neu, Alexander T Torchin, Mark E Allen, Eric E Roy, Kaustuv Animals Microbiota Gastropoda Panama Phylogeny Aquatic Organisms Bacteria Pacific Ocean Biological Evolution The rise of the Isthmus of Panama separated the populations of many marine organisms, which then diverged into new geminate sister species currently living in the Eastern Pacific Ocean and the Caribbean Sea. However, we know very little about how such evolutionary divergences of host species have shaped the compositions of their microbiomes. Here, we compared the microbiomes of whole-body and shell-surface samples of geminate species of marine gastropods in the genera and to those of congeneric outgroups. Our results suggest that the effects of ~3 million years of separation and isolation on microbiome composition varied among host genera and between sample types within the same hosts. In the whole-body samples, microbiome compositions of geminate species pairs tended to be similar, likely due to host filtering, although the strength of this relationship varied among the two groups and across similarity metrics. Shell-surface microbiomes show contrasting patterns, with co-divergence between the host taxa and a small number of microbial clades evident in but not . These results suggest that (i) isolation of host populations after the rise of the Isthmus of Panama affected microbiomes of geminate hosts in a complex and host-specific manner, and (ii) host-associated microbial taxa respond differently to vicariance events than the hosts themselves.IMPORTANCEWhile considerable work has been done on evolutionary divergences of marine species in response to the rise of the Isthmus of Panama, which separated two previously connected oceans, how this event shaped the microbiomes of these marine hosts remains poorly known. Using whole-body and shell-surface microbiomes of closely related gastropod species from opposite sides of the Isthmus, we show that divergences of microbial taxa after the formation of the Isthmus are often not concordant with those of their gastropod hosts. Our results show that evolutionary responses of marine gastropod-associated microbiomes to major environmental perturbations are complex and are shaped more by local environments than host evolutionary history. |
| title | Microbiome divergence of marine gastropod species separated by the Isthmus of Panama. |
| topic | Animals Microbiota Gastropoda Panama Phylogeny Aquatic Organisms Bacteria Pacific Ocean Biological Evolution |
| url | https://pubmed.ncbi.nlm.nih.gov/39480095/ |