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Climatic impacts on the bacterial community profiles of cork oak soils

2019Journal article Open access
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dc.contributor.authorReis, Francisca
dc.contributor.authorSoares-Castro, Pedro
dc.contributor.authorCosta, Daniela
dc.contributor.authorTavares, Rui Manuel
dc.contributor.authorBaptista, Paula
dc.contributor.authorSantos, Pedro M.
dc.contributor.authorLino-Neto, Teresa
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-01-06T14:09:24Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-01-06T14:09:24Z
dc.date.issued2019
dc.description.abstractClimate changes comprise increasing global temperature and water cycle deregulation (precipitation storms and long dry seasons). Many affected ecosystems are located within the Mediterranean basin, where cork oak (Quercus suber L.) is one of the most important forest ecosystems. Despite cork oak tolerance to drought, the decrease of water availability and increase of temperature is causing a serious decline of cork oak populations. In the present work, the bacterial community of cork oak soils was assessed by metabarcoding using Illumina Miseq. Soils from seven independent cork oak forests were collected along a climate gradient. In all forest soils, Proteobacteria and Actinobacteria were the richest and more abundant bacteria. Acidobacteria also presented a high relative abundance, and Chloroflexi was a rich phylum. The soil bacterial community diversity and composition was strongly affected by the climatic region where cork oak resides and specific bacterial taxa were differently affected by precipitation and temperature. Accordingly, cork oak bacterial communities clustered into three distinct groups, related with humid, sub-humid and arid/semi-arid climates. Driest and warmer forests presented more diverse bacterial communities than humid and coolest forests. However, driest climates presented more homogenous bacterial communities among forests than humid climates. Climate (mainly precipitation) revealed to be the strongest driver leading to significant variations of bacterial community profiles. The most impacted bacterial taxa by climatic variables were Proteobacteria, in particular Gammaproteobacteria and Deltaproteobacteria, Chloroflexi, and Firmicutes. Humid forests presented mainly Acidobacteria as good indicators of climate, whereas Actinobacteria members were better indicators for arid forests (mainly Gaiellales and Frankiales). Some indicator species for different climate conditions were members of the bacterial core of cork oak stands (7% of the total bacterial community). Taken together, different microbiomes were selected by the climate conditions in cork oak stands along a climate gradient and might provide the key to forest sustainability in times of global warming.
dc.description.sponsorshipThis work was supported by FEDER through the Operational Competitiveness Program (COMPETE) and by Portuguese national funds through the Foundation for Science and Technology (FCT) within the scope of the project POCI-01-0145-FEDER-028635; FCT/MCTES/ PIDDAC (Portugal) under the project (PEst-OE/BIA/UI4046/2014; UID/MULTI/04046/2013) and PhD grant to F.R. (SFRH/BD/86519/ 2012).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationReis, Francisca; Soares-Castro, Pedro; Costa, Daniela; Tavares, Rui M.; Baptista, Paula; Santos, Pedro M.; Lino-Neto, Teresa (2019). Climatic impacts on the bacterial community profiles of cork oak soils. Applied Soil Ecology. ISSN 0929-1393. 143, p. 89-97en_EN
dc.identifier.doi10.1016/j.apsoil.2019.05.031en_EN
dc.identifier.issn0929-1393
dc.identifier.urihttp://hdl.handle.net/10198/20231
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationEFFECT OF MYCORRHIZATION ON QUERCUS SUBER TOLERANCE TO DROUGHT
dc.subjectBacterial communitiesen_EN
dc.subjectClimateen_EN
dc.subjectCork oaken_EN
dc.subjectForest soilsen_EN
dc.titleClimatic impacts on the bacterial community profiles of cork oak soilsen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleEFFECT OF MYCORRHIZATION ON QUERCUS SUBER TOLERANCE TO DROUGHT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/PEst-OE%2FBIA%2FUI4046%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F04046%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F86519%2F2012/PT
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNameBaptista
person.givenNamePaula
person.identifier.ciencia-id7D11-FE1E-CD0F
person.identifier.orcid0000-0001-6331-3731
person.identifier.scopus-author-id14051688000
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
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
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relation.isAuthorOfPublication.latestForDiscovery3f35226a-b17a-4f7d-8da1-3297105cbfe9
relation.isProjectOfPublication6940e487-1d35-451f-94d9-a8e60c028bd8
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