Mediterranean versus Red sea corals facing climate change, a transcriptome analysis

Keren Maor-Landaw; Hiba Waldman Ben-Asher; Sarit Karako-Lampert; Mali Salmon-Divon; Fiorella Prada; Erik Caroselli; Stefano Goffredo; Giuseppe Falini; Zvy Dubinsky; Oren Levy

doi:10.1038/srep42405

Mediterranean versus Red sea corals facing climate change, a transcriptome analysis

Keren Maor-Landaw, Hiba Waldman Ben-Asher, Sarit Karako-Lampert, Mali Salmon-Divon, Fiorella Prada, Erik Caroselli, Stefano Goffredo, Giuseppe Falini, Zvy Dubinsky, Oren Levy

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

The anthropogenic increase in atmospheric CO₂ that drives global warming and ocean acidification raises serious concerns regarding the future of corals, the main carbonate biomineralizers. Here we used transcriptome analysis to study the effect of long-term gradual temperature increase (annual rate), combined with lowered pH values, on a sub-tropical Red Sea coral, Stylophora pistillata, and on a temperate Mediterranean symbiotic coral Balanophyllia europaea. The gene expression profiles revealed a strong effect of both temperature increase and pH decrease implying for synergism response. The temperate coral, exposed to a twice as high range of seasonal temperature fluctuations than the Red Sea species, faced stress more effectively. The compensatory strategy for coping apparently involves deviating cellular resources into a massive up-regulation of genes in general, and specifically of genes involved in the generation of metabolic energy. Our results imply that sub-lethal, prolonged exposure to stress can stimulate evolutionary increase in stress resilience.

Original language	English
Article number	42405
Journal	Scientific Reports
Volume	7
DOIs	https://doi.org/10.1038/srep42405
State	Published - 9 Feb 2017

Bibliographical note

Funding Information:
The research leading to these results has received funding from the European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC grant agreement n [249930-CoralWarm: Corals and global warming: the Mediterranean versus the Red Sea]. Additional funding was provided to K. Maor-Landaw by the Mediterranean Sea Research Center of Israel. We also thank The Interuniversity Institute for Marine Sciences in Eilat (IUI) for support of this research.

Publisher Copyright:
© 2017 The Author(s).

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AU - Prada, Fiorella

AU - Caroselli, Erik

AU - Goffredo, Stefano

AU - Falini, Giuseppe

AU - Dubinsky, Zvy

AU - Levy, Oren

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Mediterranean versus Red sea corals facing climate change, a transcriptome analysis

Abstract

Bibliographical note

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