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Nature重磅:首次从木乃伊中提取完整人类基因组序列
生物世界· 2025-07-03 03:57
Core Insights - The article discusses the successful extraction of a complete human genome from an ancient Egyptian mummy dating back approximately 4800 years, marking the first complete genome sequence of an ancient Egyptian [4][6] - The findings reveal genetic similarities between the mummy and ancestors from the North African Neolithic period as well as populations from the Fertile Crescent, indicating a complex ancestry [4][6] - The research enhances understanding of the social status and lifestyle of ancient Egyptians during the Old Kingdom period, suggesting the individual was likely a skilled laborer with a higher social standing but not part of the elite ruling class [6][7] Summary by Sections - **Historical Context**: The mummy studied lived during the early pyramid construction period, around 2855-2570 BC, a time when mummification was not yet widespread [4] - **Genetic Analysis**: The research team extracted seven DNA samples, with two being suitable for sequencing, and compared the results with a database of 3233 modern and 805 ancient genomes [6] - **Ancestry Findings**: Approximately 20% of the genome was closely related to populations from the Fertile Crescent, a region known for early civilizations and writing systems [6] - **Physical Condition**: The individual exhibited signs of arthritis and osteoporosis, indicating a physically demanding lifestyle, likely as a potter, which aligns with his higher social status [6][7] - **Implications for Future Research**: The study provides insights into burial conditions that may aid in the preservation of DNA, paving the way for future discoveries in ancient genetics [7]
中东世界遗产:乌尔,7500年的古城
人民网-国际频道 原创稿· 2025-05-20 03:31
Core Points - The article highlights the historical significance of the ancient city of Ur, which dates back to 3500 BC and is considered a symbol of civilization [1] - Ur is recognized as the birthplace of Abraham, a common ancestor of the Hebrew and Arab nations, often referred to as the origin of the Jewish people [1] Group 1 - The Ziggurat of Ur, built around 2100 BC under King Ur-Nammu, is dedicated to the Sumerian moon goddess and is noted for its architectural complexity and mathematical achievements of the Sumerians [2] - The Ziggurat originally stood at 28 meters tall with three levels and 100 steps per level, although it has since eroded to approximately 16.5 meters, with only parts of the first two levels remaining [2] - The site of Ur, including the Ziggurat and surrounding structures, was designated as a UNESCO World Heritage site in 2016, highlighting its cultural and historical importance [2][4] Group 2 - The local government is currently working on improving tourism facilities around Ur, including the construction of a small museum and rest areas to attract more visitors [6]