Keratin, proteins from 54 million-year-old sea turtle show survival trait evolution

http://ift.tt/eA8V8J Researchers have retrieved original pigment, beta-keratin and muscle proteins from a 54 million-year-old sea turtle hatchling. The work adds to the growing body of evidence supporting persistence of original molecules over millions of years and also provides direct evidence that a pigment-based survival trait common to modern sea turtles evolved at least 54 million years ago.

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