February 11, 2019

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Though separated by a world of ocean, and unrelated to each other, two fish groups -- one in the Arctic, the other in the Antarctic -- share a surprising survival strategy: They both have evolved the ability to produce the same special brand of antifreeze protein in their tissues. A new study describes in molecular detail how the Arctic fishes built the gene for their antifreeze from tiny fragments of noncoding DNA, regions once considered "junk DNA." Full Story

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University of Illinois at Urbana-Champaign

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