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Coral garden conservation and restoration: how host taxon and ex-situ maintenance affect the microbiome of soft and hard corals

2025-08-06Journal article Open access
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dc.contributor.authorRola, Marcellina
dc.contributor.authorCoelho, Márcio A. G.
dc.contributor.authorPruckner, Christian
dc.contributor.authorQuiroga-Pérez, Manuela
dc.contributor.authorStock, Willem
dc.contributor.authorBaylina, Núria
dc.contributor.authorEngelen, Aschwin
dc.contributor.authorWägele, Heike
dc.contributor.authorSerrao, Ester A.
dc.contributor.authorFrade, Pedro R.
dc.date.accessioned2025-09-17T12:55:03Z
dc.date.available2025-09-17T12:55:03Z
dc.date.issued2025-08-06
dc.description.abstractTemperate coral gardens are dense coral formations, which support rich marine species diversity, enabling benthic-pelagic coupling. Over the past decades, coral gardens have been increasingly threatened by bottom fishing, oil and gas exploitation, and climate change. Microbiome research bears great potential for assisted resilience in targeted conservation and restoration approaches. Yet, fundamental parameters of the coral garden microbiome remain poorly understood. Here, we provide a first broad record of bacterial communities associated with NE Atlantic coral garden corals and their community changes as response to human maintenance in conservation research. Octocorals (10 species), scleractinians (2 species) and one black coral species, were opportunistically collected from fisheries bycatch at 60-480 m depth around Cape St. Vincent (SW Portugal). Metabarcoding of the 16S-rRNA gene using third-generation sequencing revealed a high microbial host-specificity in the wild-collected coral species analyzed, and supported the importance of bacterial families Endozoicomonadaceae (mean relative abundance +/- SE; 28.3 +/- 10.5%), Spirochaetaceae (8.2 +/- 5.8%) and Spongiibacteraceae (4.6 +/- 1.8%). Endozoicomonadaceae were particularly dominant in the octocoral order Malacalcyonacea (67.7 +/- 14.5%). The low microbial alpha diversity and limited interspecies differences among the Malacalcyonacea species suggest a conserved microbiome within this group, as compared to orders Scleralcyonacea, Antipatharia, and Scleractinia. Microbial responses to ex-situ maintenance of two branching octocoral species, Eunicella verrucosa and Paramuricea cf. grayi (Order Malacalcyonacea), were investigated (1) over 45 days under standardized aquaria conditions in the research station (Ramalhete Marine Station, CCMAR) and (2) over long-term captivity in two public aquaria, Ocean & aacute;rio de Lisboa and Zoomarine. Eunicella verrucosa displayed a stronger microbial community shift to short-term captivity (45 days), in contrast to greater microbiome stability in P. cf. grayi. However, long-term captivity in public aquaria led to microbiome shifts in both species. The strong host specificity of microbial diversity and its response to maintenance indicate that conservation and restoration of coral gardens require taxon-specific strategies.eng
dc.identifier.doi10.3389/fmicb.2025.1605105
dc.identifier.issn1664-302X
dc.identifier.urihttp://hdl.handle.net/10400.1/27703
dc.language.isoeng
dc.peerreviewedyes
dc.publisherFrontiers Media
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relationMarine Forests of animals, plants and algae: nature-based tools to protect and restore biodiversity
dc.relation.ispartofFrontiers in Microbiology
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectTemperate coral gardens
dc.subjectResilience
dc.subjectHolobiont
dc.subjectEndozoicomonadaceae
dc.subjectBacteria
dc.subjectGorgonians
dc.titleCoral garden conservation and restoration: how host taxon and ex-situ maintenance affect the microbiome of soft and hard coralseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardTitleMarine Forests of animals, plants and algae: nature-based tools to protect and restore biodiversity
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/DivRestore%2F0013%2F2020/PT
oaire.citation.titleFrontiers in Microbiology
oaire.citation.volume16
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream3599-PPCDT
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameCoelho
person.familyNameEngelen
person.familyNameSerrao
person.givenNameMárcio A. G.
person.givenNameAschwin
person.givenNameEster A.
person.identifierC-6686-2012
person.identifier.ciencia-idF415-B297-7821
person.identifier.ciencia-id911A-9A0C-744D
person.identifier.ciencia-id5B13-B26E-B1EC
person.identifier.orcid0000-0001-7832-5241
person.identifier.orcid0000-0002-9579-9606
person.identifier.orcid0000-0003-1316-658X
person.identifier.ridE-7681-2016
person.identifier.ridM-3432-2013
person.identifier.scopus-author-id6701622770
person.identifier.scopus-author-id7004093604
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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