Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/28575
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dc.contributor.authorRobinson, Georginaen_UK
dc.contributor.authorCaldwell, Gary Sen_UK
dc.contributor.authorWade, Matthew Jen_UK
dc.contributor.authorFree, Andrewen_UK
dc.contributor.authorJones, Clifford L Wen_UK
dc.contributor.authorStead, Selina Men_UK
dc.date.accessioned2019-01-19T01:03:55Z-
dc.date.available2019-01-19T01:03:55Z-
dc.date.issued2016-12-12en_UK
dc.identifier.other38850en_UK
dc.identifier.urihttp://hdl.handle.net/1893/28575-
dc.description.abstractDeposit-feeding invertebrates are proposed bioremediators in microbial-driven sediment-based aquaculture effluent treatment systems. We elucidate the role of the sediment reduction-oxidation (redox) regime in structuring benthic bacterial communities, having direct implications for bioremediation potential and deposit-feeder nutrition. The sea cucumber Holothuria scabra was cultured on sediments under contrasting redox regimes; fully oxygenated (oxic) and redox stratified (oxic-anoxic). Taxonomically, metabolically and functionally distinct bacterial communities developed between the redox treatments with the oxic treatment supporting the greater diversity; redox regime and dissolved oxygen levels were the main environmental drivers. Oxic sediments were colonised by nitrifying bacteria with the potential to remediate nitrogenous wastes. Percolation of oxygenated water prevented the proliferation of anaerobic sulphate-reducing bacteria, which were prevalent in the oxic-anoxic sediments. At the predictive functional level, bacteria within the oxic treatment were enriched with genes associated with xenobiotics metabolism. Oxic sediments showed the greater bioremediation potential; however, the oxic-anoxic sediments supported a greater sea cucumber biomass. Overall, the results indicate that bacterial communities present in fully oxic sediments may enhance the metabolic capacity and bioremediation potential of deposit-feeder microbial systems. This study highlights the benefits of incorporating deposit-feeding invertebrates into effluent treatment systems, particularly when the sediment is oxygenated.en_UK
dc.language.isoenen_UK
dc.publisherNature Publishing Groupen_UK
dc.relationRobinson G, Caldwell GS, Wade MJ, Free A, Jones CLW & Stead SM (2016) Profiling bacterial communities associated with sediment-based aquaculture bioremediation systems under contrasting redox regimes. Scientific Reports, 6, Art. No.: 38850. https://doi.org/10.1038/srep38850en_UK
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/en_UK
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_UK
dc.titleProfiling bacterial communities associated with sediment-based aquaculture bioremediation systems under contrasting redox regimesen_UK
dc.typeJournal Articleen_UK
dc.identifier.doi10.1038/srep38850en_UK
dc.identifier.pmid27941918en_UK
dc.citation.jtitleScientific Reportsen_UK
dc.citation.issn2045-2322en_UK
dc.citation.volume6en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.funderBiotechnology and Biological Sciences Research Councilen_UK
dc.citation.date12/12/2016en_UK
dc.contributor.affiliationNewcastle Universityen_UK
dc.contributor.affiliationNewcastle Universityen_UK
dc.contributor.affiliationNewcastle Universityen_UK
dc.contributor.affiliationUniversity of Edinburghen_UK
dc.contributor.affiliationRhodes Universityen_UK
dc.contributor.affiliationNewcastle Universityen_UK
dc.identifier.isiWOS:000389815100001en_UK
dc.identifier.scopusid2-s2.0-85005949311en_UK
dc.identifier.wtid1090367en_UK
dc.date.accepted2016-11-15en_UK
dcterms.dateAccepted2016-11-15en_UK
dc.date.filedepositdate2019-01-17en_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorRobinson, Georgina|en_UK
local.rioxx.authorCaldwell, Gary S|en_UK
local.rioxx.authorWade, Matthew J|en_UK
local.rioxx.authorFree, Andrew|en_UK
local.rioxx.authorJones, Clifford L W|en_UK
local.rioxx.authorStead, Selina M|en_UK
local.rioxx.projectProject ID unknown|Biotechnology and Biological Sciences Research Council|http://dx.doi.org/10.13039/501100000268en_UK
local.rioxx.freetoreaddate2019-01-17en_UK
local.rioxx.licencehttp://creativecommons.org/licenses/by/4.0/|2019-01-17|en_UK
local.rioxx.filenameRobinson-etal-SciReps-2016.pdfen_UK
local.rioxx.filecount1en_UK
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