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Marine microbial community taxonomic and functional indicators to volcanic and anthropogenic stressors in Deception Island, Antarctica

2024Journal article Open access
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dc.contributor.authorDuarte, Bernardo
dc.contributor.authorCruz-Silva, Ana
dc.contributor.authorFeijão, Eduardo
dc.contributor.authorPereira, Marcelo
dc.contributor.authorNunes, Mónica
dc.contributor.authorFigueiredo, Andreia
dc.contributor.authorMatos, Ana Rita
dc.contributor.authorDias, Ricardo
dc.contributor.authorFonseca, Vanessa
dc.contributor.authorGameiro, Carla
dc.contributor.authorCabrita, Maria Teresa
dc.date.accessioned2025-01-02T16:38:31Z
dc.date.available2025-01-02T16:38:31Z
dc.date.issued2024
dc.description.abstractIn recent years, the growth in Antarctic tourism has stimulated research on the anthropogenic impacts on the region, boosted by advances in OMIC technologies applied to polar microbial communities. This study aimed to assess the human impacts on marine prokaryotic and viral communities of Deception Island by identifying potential taxonomic, functional, and resistome indicators of both anthropogenic and natural/volcanic pressures. Proteobacteria, Bacteroidetes, and Actinobacteria were the dominant phyla, with notable variations attributed to volcanic activity and anthropogenic pressure. The abundance of Euryarchaeota in regions with increased volcanic activity underlines their adaptability to extreme conditions. Their mercury resistance coupled with their ability to cope with toxic heavy metals is a critical component in managing volcanic mercury concentrations. Actinobacteria, Cyanobacteria, Planctomycetes, and Synergistetes showed distinctive abundance patterns with potential ecological implications related to volcanic environments. Functional analyses revealed the enrichment of functions associated with metal-based, hydrocarbon degradation, and nitrogen metabolism. Submarine volcanic vents contributed significantly to the shape of functional diversity. Identification of specific functions related to nosocomial infections and gastroenteritis highlights the impact of anthropogenic activities on functional traits. Antibiotic resistance genes (ARGs) showed nuanced patterns influenced by both anthropogenic pressure and volcanic activity. Actinobacteria were correlated with increased ARG abundance, which was enhanced by wastewater disposal. Remarkably, Fumarole Bay showed an increased prevalence of certain ARGs, despite a lower anthropogenic impact, suggesting a unique selective pressure induced by volcanic activity. The responsiveness of these indicators to varying levels of pressure characterizes them as valuable tools for assessing and mitigating anthropogenic impacts on the marine waters of Deception Island.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationDuarte, B., Cruz-Silva, A., Feijão, E., Pereira, M., Nunes, N., Figueiredo, A., Matos, A. R., Dias, R., Fonseca, V., Gameiro, C., & Cabrita, M. T. (2024). Marine microbial community taxonomic and functional indicators to volcanic and anthropogenic stressors in Deception Island, Antarctica. Environmental and Sustainability Indicators, 24, 100511pt_PT
dc.identifier.doi10.1016/j.indic.2024.100511pt_PT
dc.identifier.eissn2665-9727
dc.identifier.urihttp://hdl.handle.net/10400.5/96781
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation2022.11260.BDpt_PT
dc.relationMAR-03.02.01-FEAMP-0015pt_PT
dc.relationAquatic Research Infrastructure Network
dc.relationBiosystems and Integrative Sciences Institute
dc.relationCentre for Ecology, Evolution and Environmental Changes
dc.relationThe effects of different regenerative agriculture practices on soil and plant microbiome: a study of its effects on grapevine defense system against downy mildew
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S266597272400179X?via%3Dihubpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectProkaryomept_PT
dc.subjectViromept_PT
dc.subjectFunctional traitspt_PT
dc.subjectResistomept_PT
dc.subjectAnthropogenic pressurespt_PT
dc.subjectPolar microbiomespt_PT
dc.titleMarine microbial community taxonomic and functional indicators to volcanic and anthropogenic stressors in Deception Island, Antarcticapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAquatic Research Infrastructure Network
oaire.awardTitleBiosystems and Integrative Sciences Institute
oaire.awardTitleCentre for Ecology, Evolution and Environmental Changes
oaire.awardTitleThe effects of different regenerative agriculture practices on soil and plant microbiome: a study of its effects on grapevine defense system against downy mildew
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oaire.citation.startPage100511pt_PT
oaire.citation.titleEnvironmental and Sustainability Indicatorspt_PT
oaire.citation.volume24pt_PT
oaire.fundingStreamConcurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017/2018) - Financiamento Base
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oaire.fundingStreamConcurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017/2018) - Financiamento Programático
oaire.fundingStreamConcurso para Atribuição do Estatuto e Financiamento de Laboratórios Associados (LA)
person.familyNameCabrita
person.givenNameMaria Teresa
person.identifier349469
person.identifier.ciencia-id3E17-0125-F909
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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