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dc.contributor.authorSharp, Koty H.en_US
dc.contributor.authorPratte, Zoe A.en_US
dc.contributor.authorKerwin, Allison H.en_US
dc.contributor.authorRotjan, Randi D.en_US
dc.contributor.authorStewart, Frank J.en_US
dc.date.accessioned2018-06-11T18:42:47Z
dc.date.available2018-06-11T18:42:47Z
dc.date.issued2017-12
dc.identifier.citationKoty H. Sharp, Zoe A. Pratte, Allison H. Kerwin, Randi D. Rotjan, Frank J. Stewart. 2017. "Season, but not symbiont state, drives microbiome structure in the temperate coral Astrangia poculata." Microbiome, Volume 5, Issue 1,
dc.identifier.issn2049-2618
dc.identifier.urihttps://hdl.handle.net/2144/29267
dc.description.abstractBACKGROUND: Understanding the associations among corals, their photosynthetic zooxanthella symbionts (Symbiodinium), and coral-associated prokaryotic microbiomes is critical for predicting the fidelity and strength of coral symbioses in the face of growing environmental threats. Most coral-microbiome associations are beneficial, yet the mechanisms that determine the composition of the coral microbiome remain largely unknown. Here, we characterized microbiome diversity in the temperate, facultatively symbiotic coral Astrangia poculata at four seasonal time points near the northernmost limit of the species range. The facultative nature of this system allowed us to test seasonal influence and symbiotic state (Symbiodinium density in the coral) on microbiome community composition. RESULTS: Change in season had a strong effect on A. poculata microbiome composition. The seasonal shift was greatest upon the winter to spring transition, during which time A. poculata microbiome composition became more similar among host individuals. Within each of the four seasons, microbiome composition differed significantly from that of surrounding seawater but was surprisingly uniform between symbiotic and aposymbiotic corals, even in summer, when differences in Symbiodinium density between brown and white colonies are the highest, indicating that the observed seasonal shifts are not likely due to fluctuations in Symbiodinium density. CONCLUSIONS: Our results suggest that symbiotic state may not be a primary driver of coral microbial community organization in A. poculata, which is a surprise given the long-held assumption that excess photosynthate is of importance to coral-associated microbes. Rather, other environmental or host factors, in this case, seasonal changes in host physiology associated with winter quiescence, may drive microbiome diversity. Additional studies of A. poculata and other facultatively symbiotic corals will provide important comparisons to studies of reef-building tropical corals and therefore help to identify basic principles of coral microbiome assembly, as well as functional relationships among holobiont members.en_US
dc.description.sponsorship346253 - Simons Foundationen_US
dc.description.urihttps://microbiomejournal.biomedcentral.com/track/pdf/10.1186/s40168-017-0329-8?site=microbiomejournal.biomedcentral.com
dc.description.urihttps://microbiomejournal.biomedcentral.com/track/pdf/10.1186/s40168-017-0329-8?site=microbiomejournal.biomedcentral.com
dc.relation.ispartofMicrobiome
dc.rights© The Author(s). 2017. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.en_US
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectCoral microbiomeen_US
dc.subjectTemperate coralsen_US
dc.subjectAstrangia poculataen_US
dc.subjectTropical reef ecosystemsen_US
dc.titleSeason, but not symbiont state, drives microbiome structure in the temperate coral Astrangia poculataen_US
dc.typeArticleen_US
dc.description.versionPublished versionen_US
dc.identifier.doi10.1186/s40168-017-0329-8
pubs.elements-sourcecrossrefen_US
pubs.notesEmbargo: Not knownen_US
pubs.organisational-groupBoston Universityen_US
pubs.organisational-groupBoston University, College of Arts & Sciencesen_US
pubs.organisational-groupBoston University, College of Arts & Sciences, Department of Biologyen_US
pubs.publication-statusPublisheden_US
dc.date.online2017-09-15


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© The Author(s). 2017. Open Access.
This article is distributed under the terms of the Creative Commons Attribution 4.0
International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and
reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to
the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver
(http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
Except where otherwise noted, this item's license is described as © The Author(s). 2017. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.