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Gene expression plasticity as a mechanism of coral adaptation to a variable environment [Nature Ecology & Evolution]

Keywords : evolutionary genetics, molecular ecology

par Frédéric Magné - publié le

Local adaptation is ubiquitous, but the molecular mechanisms that give rise to this ecological phenomenon remain largely unknown. A year-long reciprocal transplant of mustard hill coral (Porites astreoides) between a highly environmentally variable inshore habitat and a more stable offshore habitat demonstrated that populations exhibit phenotypic signatures that are consistent with local adaptation. We characterized the genomic basis of this adaptation in both coral hosts and their intracellular symbionts (Symbiodinium sp.) using genome-wide gene expression profiling. (...)

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