Scientists sequence 20-million-year-old enamel protein from teeth fossils preserved in Arctic cold



Summary

Scientists have successfully sequenced the oldest protein ever recovered, extracted from 20-million-year-old teeth enamel fossils found in the Arctic. This groundbreaking achievement, achieved by analyzing amino acid sequences, offers unprecedented insights into the evolutionary history and relationships of ancient species. The preserved enamel protein, protected by the Arctic’s cold environment, provides a more detailed and accurate way to study evolution compared to relying solely on DNA analysis, which degrades more rapidly. This advancement opens new possibilities for understanding extinct species and their connections to modern organisms, rewriting our understanding of prehistoric life.

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