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Old 12th September 2017, 06:14
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Default When ancient fossil DNA isn't available, ancient glycans may help trace human evolution

Ancient DNA recovered from fossils is a valuable tool to study evolution and anthropology. Yet ancient fossil DNA from earlier geological ages has not been found yet in any part of Africa, where it's destroyed by extreme heat and humidity. In a potential first step at overcoming this hurdle, researchers at University of California San Diego School of Medicine and Turkana Basin Institute in Kenya have discovered a new kind of glycan—a type of sugar chain—that survives even in a 4 million-year-old animal fossil from Kenya, under conditions where ancient DNA does not.

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