Coral host transcriptomic states are correlated with Symbiodinium genotypes

M. K. DeSalvo, S. Sunagawa, P. L. Fisher, C. R. Voolstra, Roberto Iglesias-Prieto, Monica Medina

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

A mutualistic relationship between reef-building corals and endosymbiotic dinoflagellates (Symbiodinium spp.) forms the basis for the existence of coral reefs. Genotyping tools for Symbiodinium spp. have added a new level of complexity to studies concerning cnidarian growth, nutrient acquisition, and stress. For example, the response of the coral holobiont to thermal stress is connected to the host-Symbiodinium genotypic combination, as different partnerships can have different bleaching susceptibilities. In this study, we monitored Symbiodinium physiological parameters and profiled the coral host transcriptional responses in acclimated, thermally stressed, and recovered fragments of the coral Montastraea faveolata using a custom cDNA gene expression microarray. Interestingly, gene expression was more similar among samples with the same Symbiodinium content rather than the same experimental condition. In order to discount for host-genotypic effects, we sampled fragments from a single colony of M. faveolata containing different symbiont types, and found that the host transcriptomic states grouped according to Symbiodinium genotype rather than thermal stress. As the first study that links coral host transcriptomic patterns to the clade content of their Symbiodinium community, our results provide a critical step to elucidating the molecular basis of the apparent variability seen among different coral-Symbiodinium partnerships.

Original languageEnglish (US)
Pages (from-to)1174-1186
Number of pages13
JournalMolecular ecology
Volume19
Issue number6
DOIs
StatePublished - Mar 1 2010

Fingerprint

Anthozoa
Symbiodinium
transcriptomics
corals
coral
genotype
Genotype
Coral Reefs
Hot Temperature
gene expression
Cnidaria
thermal stress
Gene Expression
Dinoflagellida
bleaching
symbiont
dinoflagellate
Complementary DNA
coral reef
reef

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Genetics

Cite this

DeSalvo, M. K. ; Sunagawa, S. ; Fisher, P. L. ; Voolstra, C. R. ; Iglesias-Prieto, Roberto ; Medina, Monica. / Coral host transcriptomic states are correlated with Symbiodinium genotypes. In: Molecular ecology. 2010 ; Vol. 19, No. 6. pp. 1174-1186.
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Coral host transcriptomic states are correlated with Symbiodinium genotypes. / DeSalvo, M. K.; Sunagawa, S.; Fisher, P. L.; Voolstra, C. R.; Iglesias-Prieto, Roberto; Medina, Monica.

In: Molecular ecology, Vol. 19, No. 6, 01.03.2010, p. 1174-1186.

Research output: Contribution to journalArticle

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