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dc.contributor.authorZegeye, Elias
dc.contributor.authorBrislawn, Colin
dc.contributor.authorFarris, Yulia
dc.contributor.authorFansler, Sarah
dc.contributor.authorHofmockel, Kirsten
dc.contributor.authorJansson, Janet K.
dc.contributor.authorWright, Aaron
dc.contributor.authorGraham, Emily
dc.contributor.authorNaylor, Dan
dc.contributor.authorMcClure, Ryan S.
dc.contributor.authorBernstein, Hans Christopher
dc.date.accessioned2019-11-07T13:42:29Z
dc.date.available2019-11-07T13:42:29Z
dc.date.issued2019-05-14
dc.description.abstractSoil microorganisms play fundamental roles in cycling of soil carbon, nitrogen, and other nutrients, yet we have a poor understanding of how soil microbiomes are shaped by their nutritional and physical environment. In this study, we investigated the successional dynamics of a soil microbiome during 21 weeks of enrichment on chitin and its monomer, N-acetylglucosamine. We examined succession of the soil communities in a physically heterogeneous soil matrix as well as a homogeneous liquid medium. The guiding hypothesis was that the initial species richness would influence the tendency for the selected consortia to stabilize and maintain a relatively constant community structure over time. We also hypothesized that long-term, substrate-driven growth would result in consortia with reduced species richness compared to the parent microbiome and that this process would be deterministic with relatively little variation between replicates. We found that the initial species richness does influence the long-term community stability in both liquid media and soil and that lower initial richness results in a more rapid convergence to stability. Despite use of the same soil inoculum and access to the same major substrate, the resulting community composition differed greatly in soil from that in liquid medium. Hence, distinct selective pressures in soils relative to homogenous liquid media exist and can control community succession dynamics. This difference is likely related to the fact that soil microbiomes are more likely to thrive, with fewer compositional changes, in a soil matrix than in liquid environments.<p> <p><i>IMPORTANCE</i>: The soil microbiome carries out important ecosystem functions, but interactions between soil microbial communities have been difficult to study due to the high microbial diversity and complexity of the soil habitat. In this study, we successfully obtained stable consortia with reduced complexity that contained species found in the original source soil. These consortia and the methods used to obtain them can be a valuable resource for exploration of specific mechanisms underlying soil microbial community ecology. The results of this study also provide new experimental context to better inform how soil microbial communities are shaped by new environments and how a combination of initial taxonomic structure and physical environment influences stability.en_US
dc.descriptionSource at <a href=https://doi.org/10.1128/mSystems.00055-19>https://doi.org/10.1128/mSystems.00055-19. </a>Copyright © 2019 Zegeye et al. This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.en_US
dc.identifier.citationZegeye, E.K., Brislawn, C.J., Farris, Y., Fansler, S.J., Hofmockel, J.K., Jansson, J.K. ... Bernstein, H.C. (2019). Selection, succession and stabilization of soil microbial consortia. <i>mSystems, 4</i>: e00055-19. https://doi.org/10.1128/mSystems.00055-19en_US
dc.identifier.cristinIDFRIDAID 1742263
dc.identifier.doiDOI: 10.1128/mSystems.00055-19
dc.identifier.issn2379-5077
dc.identifier.urihttps://hdl.handle.net/10037/16621
dc.language.isoengen_US
dc.publisherAmerican Society for Microbiologyen_US
dc.relation.journalmSystems
dc.rights.accessRightsopenAccessen_US
dc.subjectVDP::Medical disciplines: 700::Basic medical, dental and veterinary science disciplines: 710en_US
dc.subjectVDP::Medisinske Fag: 700::Basale medisinske, odontologiske og veterinærmedisinske fag: 710en_US
dc.titleSelection, Succession and Stabilization of Soil Microbial Consortiaen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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