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Regional microbiome differentiation of the invasive Sargassum muticum (Fucales, Phaeophyceae) follows the generalist host hypothesis across the North East Atlantic

2022Journal article Restricted access
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dc.contributor.authorAires, Tânia
dc.contributor.authorKläui, Anita
dc.contributor.authorHillebrand Engelen, Aschwin
dc.date.accessioned2023-01-04T11:02:21Z
dc.date.available2023-01-04T11:02:21Z
dc.date.issued2022
dc.description.abstractOver 90% of introduced marine species are seaweeds. Seaweeds rely on their microbiome for host settlement, nutrition, development and health. As such, it is likely that microbiomes are involved in seaweed invasions. Sargassum muticum, indigenous to Southeast Asia, inhabits the North-east Atlantic from Norway to Morocco. This is the only known successful case of a non-clonal marine invader with almost no genetic variation over its large NE Atlantic introduced range. This makes it a very interesting model to study an invasive seaweeds microbiome, as it practically uncouples host genetic variation from microbiome variation. Associated bacteria potentially contribute to the plasticity and acclimation of S. muticum leading to its success over the last 50 years. Dispersing host organisms can either bring their acquired microbes along or obtain new ones locally, following the mutualist and generalist host hypothesis, respectively. We used partial 16S rRNA gene amplicon sequencing to characterize the total and core microbiome across S. muticum structures/tissues from five NE Atlantic regions, from Norway to Morocco, covering over 30 degrees of latitude. In contrast to host genotypes, highly diverse, regional, total and core microbiomes, with differentiation levels depending on tissue, bacterial community structure were detected. Atlantic S. muticum follows the generalist host hypothesis, possibly recruiting a new microbiome in each new region. This host promiscuity may promote the invasiveness of S. muticum. Diversity was lower in the young/annual tissues compared with the older tissues for the total bacterial community, suggesting that these are mostly transitory bacteria accumulating over time in the older parts. The total core microbiome included 10 OTUs, representing dominant community members commonly found in other seaweeds' cores. The core Granulosicoccus OTU followed a clear regional pattern where northern and southern regions clustered differentially, suggesting a regional signature even at an OTU level.pt_PT
dc.description.sponsorshipLA/P/0101/2020
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1080/09670262.2022.2103738pt_PT
dc.identifier.eissn1469-4433
dc.identifier.urihttp://hdl.handle.net/10400.1/18726
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherTaylor & Francispt_PT
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationMarine macrophytes holobionts: Acclimation and adaptation mechanisms across oceans in a global change scenario
dc.relationNot Available
dc.subjectAlgaept_PT
dc.subjectBrown algaept_PT
dc.subjectCore microbiomept_PT
dc.subjectDiversitypt_PT
dc.subjectGeneralist host hypothesispt_PT
dc.subjectInvasive seaweedpt_PT
dc.subjectMicrobial ecologypt_PT
dc.subjectMicrobiomediversitypt_PT
dc.subjectS. muticumpt_PT
dc.subjectTotal microbiomept_PT
dc.titleRegional microbiome differentiation of the invasive Sargassum muticum (Fucales, Phaeophyceae) follows the generalist host hypothesis across the North East Atlanticpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleMarine macrophytes holobionts: Acclimation and adaptation mechanisms across oceans in a global change scenario
oaire.awardTitleNot Available
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/OE/SFRH%2FBPD%2F116774%2F2016/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC INST 2018/CEECINST%2F00114%2F2018%2FCP1492%2FCT0001/PT
oaire.citation.endPage16pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleEuropean Journal of Phycologypt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamOE
oaire.fundingStreamCEEC INST 2018
person.familyNameAires
person.familyNameEngelen
person.givenNameTania
person.givenNameAschwin
person.identifier282868
person.identifier.ciencia-id4318-9E2C-32B9
person.identifier.ciencia-id911A-9A0C-744D
person.identifier.orcid0000-0002-1964-6819
person.identifier.orcid0000-0002-9579-9606
person.identifier.ridM-8306-2013
person.identifier.ridM-3432-2013
person.identifier.scopus-author-id6701622770
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
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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