Corals beat heat by being prepared
Once waters begin to warm, a study finds, it's too late to adapt
By Tina Hesman Saey, 18:02 PM January 7, 2013
Corals that can survive in warming ocean water may be genetically primed to sweat it out.
Studying reef-building Acropora hyacinthus corals from American Samoa’s Ofu Island, researchers from the Stanford University Hopkins Marine Station in Pacific Grove, Calif., found that the activity of hundreds of genes changed when both heat-sensitive and heat-tolerant corals were switched from 29.2° Celsius water to 32.9° C water. But even before getting into hot water, heat-tolerant corals had alrea...
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