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Unicellular Eukaryotic Community Response to Temperature and Salinity Variation in Mesocosm Experiments

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dc.contributor.authorStefanidou, Natassa
dc.contributor.authorGenitsaris, Savvas
dc.contributor.authorLopez-Bautista, Juan
dc.contributor.authorSommer, Ulrich
dc.contributor.authorMoustaka-Gouni, Maria
dc.contributor.otherAristotle University of Thessaloniki
dc.contributor.otherUniversity of Alabama Tuscaloosa
dc.contributor.otherHelmholtz Association
dc.contributor.otherGEOMAR Helmholtz Center for Ocean Research Kiel
dc.date.accessioned2023-10-02T15:16:38Z
dc.date.available2023-10-02T15:16:38Z
dc.date.issued2018
dc.description.abstractClimate change has profound impacts on marine biodiversity and biodiversity changes in turn might affect the community sensitivity to impacts of abiotic changes. We used mesocosm experiments and Next Generation Sequencing to study the response of the natural Baltic and Mediterranean unicellular eukaryotic plankton communities (control and +6 degrees C heat shock) to subsequent salinity changes (-5 psu, +5 psu). The impact on Operational Taxonomic Unit (OTU) richness, taxonomic and functional composition and rRNA:rDNA ratios were examined. Our results showed that heat shock leads to lower OTU richness (21% fewer OTUs in the Baltic and 14% fewer in the Mediterranean) and a shift in composition toward pico- and nanophytoplankton and heterotrophic related OTUs. Heat shock also leads to increased rRNA:rDNA ratios for pico- and micrograzers. Less than 18% of shared OTUs were found among the different salinities indicating the crucial role of salinity in shaping communities. The response of rRNA:rDNA ratios varied highly after salinity changes. In both experiments the diversity decrease brought about by heat shock influenced the sensitivity to salinity changes. The heat shock either decreased or increased the sensitivity of the remaining community, depending on whether it removed the more salinity-sensitive or the salinity-tolerant taxa.en_US
dc.format.mediumelectronic
dc.format.mimetypeapplication/pdf
dc.identifier.citationStefanidou, N., Genitsaris, S., Lopez-Bautista, J., Sommer, U., & Moustaka-Gouni, M. (2018). Unicellular Eukaryotic Community Response to Temperature and Salinity Variation in Mesocosm Experiments. In Frontiers in Microbiology (Vol. 9). Frontiers Media SA. https://doi.org/10.3389/fmicb.2018.02444
dc.identifier.doi10.3389/fmicb.2018.02444
dc.identifier.orcidhttps://orcid.org/0000-0003-0585-2571
dc.identifier.orcidhttps://orcid.org/0000-0002-9444-6403
dc.identifier.orcidhttps://orcid.org/0000-0002-0845-1928
dc.identifier.urihttps://ir.ua.edu/handle/123456789/12563
dc.languageEnglish
dc.language.isoen_US
dc.publisherFrontiers
dc.rights.licenseAttribution 4.0 International (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectcoastal marine plankton
dc.subjectclimate change
dc.subjectIllumina sequencing
dc.subject18S rRNA gene
dc.subjectcDNA
dc.subjectRNA/DNA ratio
dc.subjectRIBOSOMAL-RNA
dc.subjectMICROBIAL COMMUNITIES
dc.subjectCLIMATE-CHANGE
dc.subjectDIVERSITY
dc.subjectPHYTOPLANKTON
dc.subjectBIODIVERSITY
dc.subjectSEA
dc.subjectIMPACTS
dc.subjectRARE
dc.subjectPICOPLANKTON
dc.subjectMicrobiology
dc.titleUnicellular Eukaryotic Community Response to Temperature and Salinity Variation in Mesocosm Experimentsen_US
dc.typeArticle
dc.typetext

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