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    Coral host transcriptomic states are correlated with Symbiodinium genotypes

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    Type
    Article
    Authors
    DeSalvo, Michael K.
    Sunagawa, Shinichi
    Fisher, Paul L.
    Voolstra, Christian R. cc
    Iglesias Prieto, Roberto
    Medina, Mónica
    KAUST Department
    Red Sea Research Center (RSRC)
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Reef Genomics Lab
    Date
    2010-03
    Permanent link to this record
    http://hdl.handle.net/10754/561462
    
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    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. © 2010 Blackwell Publishing Ltd.
    Citation
    DeSALVO, M. K., SUNAGAWA, S., FISHER, P. L., VOOLSTRA, C. R., IGLESIAS-PRIETO, R., & MEDINA, M. (2010). Coral host transcriptomic states are correlated withSymbiodiniumgenotypes. Molecular Ecology, 19(6), 1174–1186. doi:10.1111/j.1365-294x.2010.04534.x
    Sponsors
    We would like to thank the members of the Medina Lab at UCM and the members of the Photobiology group in Puerto Morelos for aid in many aspects of this study. We would like to especially thank Xavier Hernandez-Pech of UNAM, Erika Diaz-Almeyda of UCM, Keith Bayha of UCM, Lolo Cardenas of the Roy Genomics Shared Facility at UCM, and the Functional Genomics Lab at UC Berkeley. Nicholas Polato and Iliana Baums at Penn State University are thanked for genotyping coral colonies. The comments of anonymous reviewers greatly improved this manuscript. This study was supported by a UC MEXUS Dissertation Research Grant to MKD, two Sigma Xi Grants-in-Aid of Research to MKD and SS, a UC MEXUS-CONACYT Collaborative Grant to RI-P and MM, NSF awards to MM (BE-GEN 0313708 and IOS 0644438), start- up funds from UC Merced to MM, and Coral Reef Targeted Research Program Funds to RI-P.
    Publisher
    Wiley
    Journal
    Molecular Ecology
    DOI
    10.1111/j.1365-294X.2010.04534.x
    PubMed ID
    20149089
    ae974a485f413a2113503eed53cd6c53
    10.1111/j.1365-294X.2010.04534.x
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Red Sea Research Center (RSRC); Marine Science Program; Reef Genomics, part of the Global Ocean Genome Project

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