Ancient proteins confirm Denisovan teeth found in Yunnan's Bianfu Cave
Researchers analyzed proteins from two fossilized teeth—a fourth premolar and a second molar—recovered from Bianfu Cave in southwestern China's Yunnan Province, dated to roughly 140,000 years ago. The proteomic evidence confirms these remains belong to Denisovans, adding to the small but growing collection of physical evidence for this elusive archaic human population. The cave, one of the oldest Palaeolithic sites in western Yunnan, also yielded thousands of stone tools and animal fossils alongside four hominin teeth.
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Denisovans are known mostly from fragmentary remains scattered across Siberia, Tibet and Laos, so each new confirmed find helps map how widely this population ranged across Asia and how they interacted with early modern humans and other archaic groups. Protein analysis is especially valuable here because ancient DNA rarely survives in warm, humid regions like southwestern China, meaning proteomics may be the only viable tool for identifying such fossils in similar environments going forward.
- Protein analysis of teeth from Bianfu Cave, Yunnan, confirms a Denisovan presence in southwestern China around 140,000 years ago.
- The site is one of the earliest known Palaeolithic locations in western Yunnan, with thousands of stone tools and animal fossils.
- Proteomics offers a critical alternative to DNA analysis for identifying ancient hominins in regions where genetic material degrades quickly.
Who We Are and How We Got Here" by David Reich — If Denisovan bones in a Yunnan cave hooked you, this is the book that explains how ancient DNA and proteins rewrote human prehistory. Geneticist David Reich walks through how labs identify archaic populations like Denisovans and trace their interbreeding with our ancestors — perfect background for headlines like this one.
See Who We Are and How We Got Here" by David Reich on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: nature.com — Rao, 2026-09-09
Published there as: “Ancient proteins identify various Denisovan remains from Southwest China”
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