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    Species-specific molecular responses of wild coral reef fishes during a marine heatwave

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    Type
    Article
    Authors
    Bernal, Moisés A. cc
    Schunter, Celia Marei cc
    Lehmann, Robert
    Lightfoot, Damien cc
    Allan, Bridie J. M. cc
    Veilleux, Heather D. cc
    Rummer, Jodie L. cc
    Munday, Philip L. cc
    Ravasi, Timothy cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Publication Srvcs and Researcher Support
    Date
    2020-03-18
    Online Publication Date
    2020-03-18
    Print Publication Date
    2020-03
    Submitted Date
    2019-06-10
    Permanent link to this record
    http://hdl.handle.net/10754/662265
    
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    Abstract
    The marine heatwave of 2016 was one of the longest and hottest thermal anomalies recorded on the Great Barrier Reef, influencing multiple species of marine ectotherms, including coral reef fishes. There is a gap in our understanding of what the physiological consequences of heatwaves in wild fish populations are. Thus, in this study, we used liver transcriptomes to understand the molecular response of five species to the 2016 heatwave conditions. Gene expression was species specific, yet we detected overlap in functional responses associated with thermal stress previously reported in experimental setups. The molecular response was also influenced by the duration of exposure to elevated temperatures. This study highlights the importance of considering the effects of extreme warming events when evaluating the consequences of climate change on fish communities.
    Citation
    Bernal, M. A., Schunter, C., Lehmann, R., Lightfoot, D. J., Allan, B. J. M., Veilleux, H. D., … Ravasi, T. (2020). Species-specific molecular responses of wild coral reef fishes during a marine heatwave. Science Advances, 6(12), eaay3423. doi:10.1126/sciadv.aay3423
    Sponsors
    We thank J. Johansen, T. Nay, and M. McCormick for help with the sampling, as well as the Lizard Island Research Station for logistical support. We also thank A. Budd for help in the molecular laboratory as well as the Integrative Systems Biology Laboratory (KAUST). Figures 1 and 2 were created by H. Hwang, scientific illustrator at the KAUST.
    This study was supported by the Office of Competitive Research Funds OSR-2015-CRG4-2541 from the King Abdullah University of Science and Technology (KAUST) (to T.R., P.L.M., C.S., and J.L.R.), the Australian Research Council (ARC), and the ARC Centre of Excellence for Coral Reef Studies (to P.L.M. and J.L.R.)
    Publisher
    American Association for the Advancement of Science (AAAS)
    Journal
    Science Advances
    DOI
    10.1126/sciadv.aay3423
    Additional Links
    https://advances.sciencemag.org/lookup/doi/10.1126/sciadv.aay3423
    Relations
    Is Supplemented By:
    • [Bioproject]
      Title: Great Barrier Reef Heat Wave 2016. Publication Date: 2018-09-08. bioproject: PRJNA489934 Handle: 10754/666491
    • [Software]
      Title: roblehmann/marineHeatwave:. Publication Date: 2019-10-02. github: roblehmann/marineHeatwave Handle: 10754/667897
    ae974a485f413a2113503eed53cd6c53
    10.1126/sciadv.aay3423
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division

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