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一颗牙齿能保存多少古人类信息？中国科学院古脊椎动物与古人类研究所付巧妹等团队，创新酸蚀刻微损取样技术，首次从40万年前直立人牙齿中获得具有系统发育信息的内源性牙釉质蛋白数据。

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（图片来源：中国科学院古脊椎动物与古人类研究所）

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