Fireworms are a reservoir and potential vector for coral-infecting apicomplexans.
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| Natura: | Artículo científico |
| Lingua: | en |
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The ISME journal
2025
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| _version_ | 1868266211789242368 |
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| author | Bonacolta, Anthony M Weiler, Bradley A Grimes, Candace J Trznadel, Morelia Vermeij, Mark J A Keeling, Patrick J Del Campo, Javier |
| author_facet | Bonacolta, Anthony M Weiler, Bradley A Grimes, Candace J Trznadel, Morelia Vermeij, Mark J A Keeling, Patrick J Del Campo, Javier Bonacolta, Anthony M Weiler, Bradley A Grimes, Candace J Trznadel, Morelia Vermeij, Mark J A Keeling, Patrick J Del Campo, Javier |
| collection | PubMed - marine biology |
| contents | Fireworms are a reservoir and potential vector for coral-infecting apicomplexans. Bonacolta, Anthony M Weiler, Bradley A Grimes, Candace J Trznadel, Morelia Vermeij, Mark J A Keeling, Patrick J Del Campo, Javier Animals Anthozoa Coral Reefs Phylogeny Sequence Analysis, DNA Ecosystem Corals (Cnidaria; Anthozoa) play critical roles as habitat-forming species with a wide range, from warm shallow-water tropical coral reefs to cold-water ecosystems. They also represent a complex ecosystem as intricate holobionts made up of microbes from all domains of the Tree of Life that can play significant roles in host health and fitness. The corallicolids are a clade of apicomplexans that infect a wide variety of anthozoans worldwide and can influence the thermal tolerance of habitat-forming corals. Despite their potentially important impacts on reef ecosystems, much of the basic biology and ecology of corallicolids remains unclear. Apicomplexans often have a closed life cycle, with minimal environmental exposure and sometimes multiple hosts. Corallicolids have only been documented in anthozoan hosts, with no known secondary/reservoir hosts or vectors. Here, we show that abundant corallicolid sequences are recovered from bearded fireworms (Hermodice carunculata) in tropical reef habitats off Curaçao and that they are distinct from corallicolids infecting the corals on which the fireworms were feeding at the time of their collection. These data are consistent with a fireworm-specific corallicolid infection, not merely a byproduct of the worms feeding on infected corals. Furthermore, we suggest that H. carunculata is potentially a vector moving corallicolids among coral hosts through its feces. These findings not only expand our understanding of the ecological interactions within coral reef ecosystems but also highlight the potential role of host-associated parasites in shaping the resilience of reef habitats. |
| format | Artículo científico |
| id | pubmed_40273425 |
| institution | PubMed |
| language | en |
| publishDate | 2025 |
| publisher | The ISME journal |
| record_format | pubmed |
| spellingShingle | Fireworms are a reservoir and potential vector for coral-infecting apicomplexans. Bonacolta, Anthony M Weiler, Bradley A Grimes, Candace J Trznadel, Morelia Vermeij, Mark J A Keeling, Patrick J Del Campo, Javier Animals Anthozoa Coral Reefs Phylogeny Sequence Analysis, DNA Ecosystem Fireworms are a reservoir and potential vector for coral-infecting apicomplexans. Bonacolta, Anthony M Weiler, Bradley A Grimes, Candace J Trznadel, Morelia Vermeij, Mark J A Keeling, Patrick J Del Campo, Javier Animals Anthozoa Coral Reefs Phylogeny Sequence Analysis, DNA Ecosystem Corals (Cnidaria; Anthozoa) play critical roles as habitat-forming species with a wide range, from warm shallow-water tropical coral reefs to cold-water ecosystems. They also represent a complex ecosystem as intricate holobionts made up of microbes from all domains of the Tree of Life that can play significant roles in host health and fitness. The corallicolids are a clade of apicomplexans that infect a wide variety of anthozoans worldwide and can influence the thermal tolerance of habitat-forming corals. Despite their potentially important impacts on reef ecosystems, much of the basic biology and ecology of corallicolids remains unclear. Apicomplexans often have a closed life cycle, with minimal environmental exposure and sometimes multiple hosts. Corallicolids have only been documented in anthozoan hosts, with no known secondary/reservoir hosts or vectors. Here, we show that abundant corallicolid sequences are recovered from bearded fireworms (Hermodice carunculata) in tropical reef habitats off Curaçao and that they are distinct from corallicolids infecting the corals on which the fireworms were feeding at the time of their collection. These data are consistent with a fireworm-specific corallicolid infection, not merely a byproduct of the worms feeding on infected corals. Furthermore, we suggest that H. carunculata is potentially a vector moving corallicolids among coral hosts through its feces. These findings not only expand our understanding of the ecological interactions within coral reef ecosystems but also highlight the potential role of host-associated parasites in shaping the resilience of reef habitats. |
| title | Fireworms are a reservoir and potential vector for coral-infecting apicomplexans. |
| topic | Animals Anthozoa Coral Reefs Phylogeny Sequence Analysis, DNA Ecosystem |
| url | https://pubmed.ncbi.nlm.nih.gov/40273425/ |