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dc.contributor.authorTerraneo, Tullia Isotta
dc.contributor.authorFusi, Marco
dc.contributor.authorHume, Benjamin
dc.contributor.authorArrigoni, Roberto
dc.contributor.authorVoolstra, Christian R.
dc.contributor.authorBenzoni, Francesca
dc.contributor.authorForsman, Zac H.
dc.contributor.authorBerumen, Michael L.
dc.date.accessioned2019-08-27T07:44:01Z
dc.date.available2019-08-27T07:44:01Z
dc.date.issued2019-08-13
dc.identifier.citationTerraneo, T. I., Fusi, M., Hume, B. C. C., Arrigoni, R., Voolstra, C. R., Benzoni, F., … Berumen, M. L. (2019). Environmental latitudinal gradients and host-specificity shape Symbiodiniaceae distribution in Red Sea Porites corals. Journal of Biogeography. doi:10.1111/jbi.13672
dc.identifier.doi10.1111/jbi.13672
dc.identifier.urihttp://hdl.handle.net/10754/656648
dc.description.abstractAim: The aim of the study was to assess the diversity of algal symbionts of the family Symbiodiniaceae associated with the coral genus Porites in the Red Sea, and to test for host-specificity and environmental variables driving biogeographical patterns of algal symbiont distribution. Location: Saudi Arabian Red Sea. Taxon: Endosymbiotic dinoflagellates of the family Symbiodiniaceae in association with the reef-building coral genus Porites. Methods: Eighty Porites coral specimens were collected along the Saudi Arabian Red Sea coast. Species boundaries were assessed morphologically and genetically (putative Control Region – mtCR; ITS region – ITS). Community composition of symbiotic dinoflagellates of the family Symbiodiniaceae was also assessed. Using the ITS2 marker with the SymPortal framework, Symbiodiniaceae data at the genus, majority ITS2 sequence and ITS2 type profile were used to assess symbiont diversity and distribution patterns. These were analysed in relation to coral host diversity, geographic location and environmental variables. Results: Among the 80 Porites samples, 10 morphologies were identified. These corals were clustered into five lineages (clades I–V) by each of the markers independently. Clades I, II and III each comprised of a single Porites morphology, while clades IV and V contained up to five distinct morphologies. The diversity of Symbiodiniaceae associated with Porites was high and latitudinal differentiation was observed. In particular, a shift from a Cladocopium-dominated to a Durusdinium-dominated community was found along the north–south gradient. Symbiont diversity showed the patterns of geographic-specific association at Symbiodiniaceae genus, majority ITS2 sequence and ITS2 type profile level. Specific associations with host genotypes (but not morphological species) were also recovered when considering Symbiodiniaceae majority ITS2 sequence and ITS2 type profiles. Main conclusions: This study provides the first large-scale molecular characterization of Symbiodiniaceae communities associated with Porites corals from the Saudi Arabian Red Sea. The use of intragenomic diversity data enabled the resolution of host-symbiont specificity and biogeographical patterns of distribution, previously unachievable with the ITS2 marker alone. Finally, correlation among symbiont diversity and Red Sea environmental gradients was documented.
dc.description.sponsorshipThis research was undertaken in accordance with the policies and procedures of the King Abdullah University of Science and Technology (KAUST). Permissions relevant for KAUST to undertake the research have been obtained from the applicable governmental agencies in the Kingdom of Saudi Arabia. This project was supported by funding from KAUST (award # URF/1/1389-01-01, FCC/1/1973-07, and baseline research funds to C. R. Voolstra and M. L. Berumen). This is HIMB contribution number 1766 and SOEST # 10749. The views expressed are purely those of the writers and may not in any circumstance be regarded as stating an official position of the European Commission. We wish to thank the captain and crew of the MV Dream Master, the KAUST Coastal and Marine Resources Core Laboratory, and A. K. Gusti (KAUST) for fieldwork logistics in the Red Sea.
dc.publisherWiley
dc.relation.urlhttps://onlinelibrary.wiley.com/doi/abs/10.1111/jbi.13672
dc.rightsArchived with thanks to Journal of Biogeography
dc.subjectITS2
dc.subjectLatitudinal gradient
dc.subjectnext-generation sequencing
dc.subjectScleractinia
dc.subjectsymbiosis
dc.subjectSymPortal
dc.titleEnvironmental latitudinal gradients and host-specificity shape Symbiodiniaceae distribution in Red Sea Porite corals
dc.typeArticle
dc.contributor.departmentMarine Science Program
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Division
dc.contributor.departmentRed Sea Research Center (RSRC)
dc.identifier.journalJournal of Biogeography
dc.rights.embargodate2020-08-14
dc.eprint.versionPost-print
dc.contributor.institutionARC Centre of Excellence for Coral Reef Studies James Cook University Townsville QLD Australia
dc.contributor.institutionSchool of Applied Sciences Edinburgh Napier University Edinburg UK
dc.contributor.institutionEuropean Commission, Joint Research Centre Directorate A - Strategy, Work Programme and Resources, Exploratory Research Ispra Italy
dc.contributor.institutionDepartment of Biology University of Konstanz Konstanz Germany
dc.contributor.institutionDepartment of Biotechnologies and Bioscience University of Milano-Bicocca Milan Italy
dc.contributor.institutionHawaii Institute of Marine Biology Kaneohe HI USA
kaust.personTerraneo, Tullia Isotta
kaust.personFusi, Marco
kaust.personHume, Benjamin
kaust.personArrigoni, Roberto
kaust.personVoolstra, Christian R.
kaust.personBerumen, Michael L.
kaust.grant.numberFCC/1/1973-07
kaust.grant.numberURF/1/1389-01-01
refterms.dateFOA2020-08-14T00:00:00Z
kaust.acknowledged.supportUnitKAUST Coastal and Marine Resources Core Laboratory


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