Metabolite pools of the reef building coral Montipora capitata are unaffected by Symbiodiniaceae community composition

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Metabolite pools of the reef building coral Montipora capitata are unaffected by Symbiodiniaceae community composition Jennifer L. Matthews1,7 • Ross Cunning2,8 • Raphael Ritson-Williams2,9 • Clinton A. Oakley1 • Adrian Lutz3 • Ute Roessner4 • Arthur R. Grossman5 Virginia M. Weis6 • Ruth D. Gates2 • Simon K. Davy1



Received: 1 June 2020 / Accepted: 25 August 2020 Ó Springer-Verlag GmbH Germany, part of Springer Nature 2020

Abstract Some reef corals form stable, dominant or codominant associations with multiple endosymbiotic dinoflagellate species (family Symbiodiniaceae). Given the immense genetic and physiological diversity within this family, Symbiodiniaceae community composition has the potential to impact the nutritional physiology and fitness of the cnidarian host and all associated symbionts. Here we assessed the impact of the symbiont community composition on the metabolome of the coral Montipora capitata in Topic Editor Morgan S. Pratchett

Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00338-020-01999-3) contains supplementary material, which is available to authorized users.

Ka¯ne‘ohe Bay, Hawai‘i, where different colonies can be dominated by stress-tolerant Durusdinium glynnii or stresssensitive Cladocopium spp. Based on our existing knowledge of these symbiont taxa, we hypothesised that the metabolite profile of D. glynnii-dominated corals would be consistent with poorer nutritional support of the host relative to those corals dominated by Cladocopium spp. However, comparative metabolite profiling revealed that the metabolite pools of the host and symbiont were unaffected by differences in the abundance of the two symbionts within the community. The abundance of the individual metabolites was the same in the host and in the endosymbiont regardless of whether the host was populated with D. glynnii or Cladocopium spp. These results suggest

& Jennifer L. Matthews [email protected]

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Present Address: Daniel P. Haerther Center for Conservation and Research, John G. Shedd Aquarium, Chicago, IL 60605, USA

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School of Biological Sciences, Victoria University of Wellington, Wellington 6140, New Zealand

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Hawai‘i Institute of Marine Biology, School of Ocean and Earth Science and Technology, University of Hawai‘i Ma¯noa, Ka¯ne‘ohe, HI, USA

Present Address: Department of Invertebrate Zoology and Geology, California Academy of Sciences, 55 Music Concourse Dr., San Francisco, CA 94118, USA

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Metabolomics Australia, Bio21 Institute, The University of Melbourne, Parkville, VIC 30102, Australia

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School of Biosciences, The University of Melbourne, Parkville, VIC 3010, Australia

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Department of Integrative Biology, Oregon State University, Corvallis, OR 97331, USA

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Department of Plant Biology, Carnegie Institution for Science, Stanford, CA 94305, USA

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Present Address: University of Technology Sydney, Climate Change Cluster, Faculty of Science, Ultimo, NSW 2007, Australia

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Coral Reefs

that coral-dinoflagellate symbioses h