Building consensus around the assessment and interpretation of Symbiodiniaceae diversity

Sarah W. Davies, Matthew H. Gamache, Lauren I. Howe-Kerr, Nicola G. Kriefall, Andrew C. Baker, Anastazia T. Banaszak, Line Kolind Bay, Anthony J. Bellantuono, Debashish Bhattacharya, Cheong Xin Chan, Danielle C. Claar, Mary Alice Coffroth, Ross Cunning, Simon K. Davy, Javier del Campo, Erika M. Diaz-Almeyda, Jorg C. Frommlet, Lauren E. Fuess, Raul A. Gonzalez-Pech, Tamar L. GouletKenneth D. Hoadley, Emily J. Howells, Benjamin C. C. Hume, Dustin W. Kemp, Carly D. Kenkel, Sheila A. Kitchen, Todd C. LaJeunesse, Senjie Lin, Shelby E. McIlroy, Ryan McMinds, Matthew R. Nitschke, Clinton A. Oakley, Raquel S. Peixoto, Carlos Prada, Hollie M. Putnam, Kate Quigley, Hannah G. Reich, James Davis Reimer, Mauricio Rodriguez-Lanetty, Stephanie M. Rosales, Osama S. Saad, Eugenia M. Sampayo, Scott R. Santos, Eiichi Shoguchi, Edward G. Smith, Michael Stat, Timothy G. Stephens, Marie E. Strader, David J. Suggett, Timothy D. Swain, Cawa Tran, Nikki Traylor-Knowles, Christian R. Voolstra, Mark E. Warner, Virginia M. Weis, Rachel M. Wright, Tingting Xiang, Hiroshi Yamashita, Maren Ziegler, Adrienne M. S. Correa, John Everett Parkinson

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Within microeukaryotes, genetic variation and functional variation sometimes accumulate more quickly than morphological differences. To understand the evolutionary history and ecology of such lineages, it is key to examine diversity at multiple levels of organization. In the dinoflagellate family Symbiodiniaceae, which can form endosymbioses with cnidarians (e.g., corals, octocorals, sea anemones, jellyfish), other marine invertebrates (e.g., sponges, molluscs, flatworms), and protists (e.g., foraminifera), molecular data have been used extensively over the past three decades to describe phenotypes and to make evolutionary and ecological inferences. Despite advances in Symbiodiniaceae genomics, a lack of consensus among researchers with respect to interpreting genetic data has slowed progress in the field and acted as a barrier to reconciling observations. Here, we identify key challenges regarding the assessment and interpretation of Symbiodiniaceae genetic diversity across three levels: species, populations, and communities. We summarize areas of agreement and highlight techniques and approaches that are broadly accepted. In areas where debate remains, we identify unresolved issues and discuss technologies and approaches that can help to fill knowledge gaps related to genetic and phenotypic diversity. We also discuss ways to stimulate progress, in particular by fostering a more inclusive and collaborative research community. We hope that this perspective will inspire and accelerate coral reef science by serving as a resource to those designing experiments, publishing research, and applying for funding related to Symbiodiniaceae and their symbiotic partnerships.
Original languageEnglish (US)
Pages (from-to)e15023
StatePublished - May 2 2023

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)
  • Neuroscience(all)


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