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http://hdl.handle.net/10261/209070
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dc.contributor.author | Logares, Ramiro | - |
dc.contributor.author | Deutschmann, Ina | - |
dc.contributor.author | Junger, Pedro C. | - |
dc.contributor.author | Giner, Caterina R. | - |
dc.contributor.author | Krabberød, Anders K. | - |
dc.contributor.author | Schmidt, Thomas S.B. | - |
dc.contributor.author | Rubinat-Ripoll, Laura | - |
dc.contributor.author | Mestre, Mireia | - |
dc.contributor.author | Salazar, Guillem | - |
dc.contributor.author | Ruiz-González, Clara | - |
dc.contributor.author | Sebastián, Marta | - |
dc.contributor.author | Vargas, Colomban de | - |
dc.contributor.author | Acinas, Silvia G. | - |
dc.contributor.author | Duarte, Carlos M. | - |
dc.contributor.author | Gasol, Josep M. | - |
dc.contributor.author | Massana, Ramon | - |
dc.date.accessioned | 2020-04-26T07:48:08Z | - |
dc.date.available | 2020-04-26T07:48:08Z | - |
dc.date.issued | 2020-04 | - |
dc.identifier | e-issn: 2049-2618 | - |
dc.identifier.citation | Microbiome 8(1): 55 (2020) | - |
dc.identifier.other | CEX2019-000928-S | - |
dc.identifier.uri | https://doi.org/10.1186/s40168-020-00827-8 | - |
dc.identifier.uri | http://hdl.handle.net/10261/209070 | - |
dc.description | 17 pages, 4 figures, supplementary information https://doi.org/10.1186/s40168-020-00827-8.-- DNA sequences and metadata from the Malaspina expedition are publicly available at the European Nucleotide Archive (http://www.ebi.ac.uk/ena; accession numbers PRJEB23913 [18S rRNA genes] & PRJEB25224 [16S rRNA genes]). The data used from TARA Oceans is publicly available through Pangaea (https://doi.org/10.1594/PANGAEA.873275) as well as in (http://ocean-microbiome.embl.de/companion.html) [34, 56]. The code for generating OTU-99% tables is available in: https://doi.org/10.5281/zenodo.259579. R-Scripts for calculating the β-Nearest Taxon Index and the Raup-Crick metric are available in https://github.com/stegen/Stegen_etal_ISME_2013. The code for calculating the TINA and PINA indices is available in https://github.com/defleury/Schmidt_et_al_2016_community_similarity, while the code for calculating MIC is available at http://www.exploredata.net. All used R packages as well as other software are cited in ‘Methods’ section | - |
dc.description.abstract | Background: The ocean microbiota modulates global biogeochemical cycles and changes in its configuration may have large-scale consequences. Yet, the underlying ecological mechanisms structuring it are unclear. Here, we investigate how fundamental ecological mechanisms (selection, dispersal and ecological drift) shape the smallest members of the tropical and subtropical surface-ocean microbiota: prokaryotes and minute eukaryotes (picoeukaryotes). Furthermore, we investigate the agents exerting abiotic selection on this assemblage as well as the spatial patterns emerging from the action of ecological mechanisms. To explore this, we analysed the composition of surface-ocean prokaryotic and picoeukaryotic communities using DNA-sequence data (16S- and 18S-rRNA genes) collected during the circumglobal expeditions Malaspina-2010 and TARA-Oceans. Results: We found that the two main components of the tropical and subtropical surface-ocean microbiota, prokaryotes and picoeukaryotes, appear to be structured by different ecological mechanisms. Picoeukaryotic communities were predominantly structured by dispersal-limitation, while prokaryotic counterparts appeared to be shaped by the combined action of dispersal-limitation, selection and drift. Temperature-driven selection appeared as a major factor, out of a few selected factors, influencing species co-occurrence networks in prokaryotes but not in picoeukaryotes, indicating that association patterns may contribute to understand ocean microbiota structure and response to selection. Other measured abiotic variables seemed to have limited selective effects on community structure in the tropical and subtropical ocean. Picoeukaryotes displayed a higher spatial differentiation between communities and a higher distance decay when compared to prokaryotes, consistent with a scenario of higher dispersal limitation in the former after considering environmental heterogeneity. Lastly, random dynamics or drift seemed to have a more important role in structuring prokaryotic communities than picoeukaryotic counterparts. Conclusions: The differential action of ecological mechanisms seems to cause contrasting biogeography, in the tropical and subtropical ocean, among the smallest surface plankton, prokaryotes and picoeukaryotes. This suggests that the idiosyncrasy of the main constituents of the ocean microbiota should be considered in order to understand its current and future configuration, which is especially relevant in a context of global change, where the reaction of surface ocean plankton to temperature increase is still unclear | - |
dc.description.sponsorship | RL was supported by a Ramón y Cajal fellowship (RYC-2013-12554, MINECO, Spain). IMD was supported by an ITN-SINGEK fellowship (ESR2-EU-H2020-MSCA-ITN-2015, Grant Agreement 675752 [ESR2] to RL), PCJ by Fundação de Amparo à Pesquisa do Estado de São Paulo—FAPESP (PhD grant 2017/26786-1) and CR-González by a Juan de la Cierva (IJCI-2015-23505, MINECO, Spain) fellowship. MM was partially supported by CONICYT (FONDAP-IDEAL 15150003), Chile. This work was supported by the projects Malaspina 2010 Expedition (CSD2008-00077, MINECO, Spain to CMD), INTERACTOMICS (CTM2015-69936-P, MINECO, Spain to RL), REMEI (CTM2015-70340-P, MINECO, Spain to JMG) and MicroEcoSystems (240904, RCN, Norway to RL) | - |
dc.description.sponsorship | With the funding support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S), of the Spanish Research Agency (AEI) | - |
dc.publisher | BioMed Central | - |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/675752 | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2015-69936-P | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2015-70340-P | - |
dc.rights | openAccess | - |
dc.subject | Ocean | - |
dc.subject | Plankton | - |
dc.subject | Microbiota | - |
dc.subject | Picoeukaryotes | - |
dc.subject | Prokaryotes | - |
dc.subject | Community structure | - |
dc.subject | Ecological processes | - |
dc.subject | Selection | - |
dc.subject | Dispersal | - |
dc.subject | Drift | - |
dc.title | Disentangling the mechanisms shaping the surface ocean microbiota | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1186/s40168-020-00827-8 | - |
dc.relation.publisherversion | https://doi.org/10.1186/s40168-020-00827-8 | - |
dc.date.updated | 2020-04-26T07:48:09Z | - |
dc.language.rfc3066 | en | - |
dc.rights.holder | The Author(s) | - |
dc.rights.license | https://creativecommons.org/licenses/by/4.0/ | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Fundação de Amparo à Pesquisa do Estado de São Paulo | - |
dc.contributor.funder | Comisión Nacional de Investigación Científica y Tecnológica (Chile) | - |
dc.contributor.funder | Research Council of Norway | - |
dc.contributor.funder | Agencia Estatal de Investigación (España) | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002848 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100001807 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100011033 | es_ES |
dc.identifier.pmid | 32312331 | - |
dc.subject.uri | http://metadata.un.org/sdg/14 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
dc.subject.sdg | Conserve and sustainably use the oceans, seas and marine resources for sustainable development | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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