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    Metatranscriptome analysis of the reef-building coral Orbicella faveolata indicates holobiont response to coral disease

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    fmars-02-00062.pdf
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    Type
    Article
    Authors
    Daniels, Camille Arian cc
    Baumgarten, Sebastian cc
    Yum, Lauren cc
    Michell, Craig
    Bayer, Till
    Arif, Chatchanit cc
    Roder, Cornelia
    Weil, Ernesto
    Voolstra, Christian R. cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Red Sea Research Center (RSRC)
    Date
    2015-09-11
    Permanent link to this record
    http://hdl.handle.net/10754/577334
    
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    Abstract
    White Plague Disease (WPD) is implicated in coral reef decline in the Caribbean and is characterized by microbial community shifts in coral mucus and tissue. Studies thus far have focused on assessing microbial communities or the identification of specific pathogens, yet few have addressed holobiont response across metaorganism compartments in coral disease. Here, we report on the first metatranscriptomic assessment of the coral host, algal symbiont, and microbial compartment in order to survey holobiont structure and function in healthy and diseased samples from Orbicella faveolata collected at reef sites off Puerto Rico. Our data indicate holobiont-wide as well as compartment-specific responses to WPD. Gene expression changes in the diseased coral host involved proteins playing a role in innate immunity, cytoskeletal integrity, cell adhesion, oxidative stress, chemical defense, and retroelements. In contrast, the algal symbiont showed comparatively few expression changes, but of large magnitude, of genes related to stress, photosynthesis, and metal transport. Concordant with the coral host response, the bacterial compartment showed increased abundance of heat shock proteins, genes related to oxidative stress, DNA repair, and potential retroelement activity. Importantly, analysis of the expressed bacterial gene functions establishes the participation of multiple bacterial families in WPD pathogenesis and also suggests a possible involvement of viruses and/or phages in structuring the bacterial assemblage. In this study, we implement an experimental approach to partition the coral holobiont and resolve compartment- and taxa-specific responses in order to understand metaorganism function in coral disease.
    Citation
    Metatranscriptome analysis of the reef-building coral Orbicella faveolata indicates holobiont response to coral disease 2015, 2 Frontiers in Marine Science
    Publisher
    Frontiers Media SA
    Journal
    Frontiers in Marine Science
    DOI
    10.3389/fmars.2015.00062
    Additional Links
    http://journal.frontiersin.org/article/10.3389/fmars.2015.00062
    Relations
    Is Supplemented By:
    • [Bioproject]
      Title: Orbicella faveolata WPD holotranscriptome sequencingPublication Date: 2015-07-14. bioproject: PRJNA289876 Handle: 10754/666546
    ae974a485f413a2113503eed53cd6c53
    10.3389/fmars.2015.00062
    Scopus Count
    Collections
    Articles; Biological and Environmental Science 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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