The southward expansion of East Asian farmers profoundly influenced the social evolution of Southeast Asia by introducing cereal agriculture.However,the timing and routes of cereal expansion in key regions are unclear...The southward expansion of East Asian farmers profoundly influenced the social evolution of Southeast Asia by introducing cereal agriculture.However,the timing and routes of cereal expansion in key regions are unclear due to limited empirical evidence.Here we report macrofossil,microfossil,multiple isotopic(C/N/Sr/O)and paleoproteomic data directly from radiocarbon-dated human samples,which were unearthed from a site in Xingyi in central Yunnan and which date between 7000 and 3300 a BP.Dietary isotopes reveal the earliest arrival of millet ca.4900 a BP,and greater reliance on plant and animal agriculture was indicated between 3800 and 3300 a BP.The dietary differences between hunter-gatherer and agricultural groups are also evident in the metabolic and immune system proteins analysed from their skeletal remains.The results of paleoproteomic analysis indicate that humans had divergent biological adaptations,with and without farming.The combined application of isotopes,archaeobotanical data and proteomics provides a new approach to documenting dietary and health changes across major subsistence transitions.展开更多
中亚干旱区是丝绸之路的核心区,也是史前人类扩散和东西方文化交流的重要通道.该区气候干旱,植被和生态群落受制于水文因素.由于缺乏精确年代控制的高分辨率古气候记录,中亚地区全新世水文变化及极端干旱事件在史前人口迁移和跨欧亚大...中亚干旱区是丝绸之路的核心区,也是史前人类扩散和东西方文化交流的重要通道.该区气候干旱,植被和生态群落受制于水文因素.由于缺乏精确年代控制的高分辨率古气候记录,中亚地区全新世水文变化及极端干旱事件在史前人口迁移和跨欧亚大陆文化交流中扮演的角色还不清楚.本文基于来自吉尔吉斯斯坦的石笋多指标记录,重建了中亚干旱区目前年代最精确(测年误差~6‰)、分辨率最高(~3年)、涵盖中晚全新世的降水变化序列.结果显示在5820~5180 a BP期间,该区存在一次持续时间为640年的超级干旱事件,主要受西风带北移的影响.这次干旱事件对中亚史前文化的发展产生了重要影响,很可能阻碍了史前东西方文化沿中亚绿洲路线上的相向扩散,使得最早的跨欧亚大陆文化交流在5000~4000 a BP沿着北方草原路线开展.随着大干旱后降水的逐渐增加和生态环境的恢复,中亚绿洲和河谷中增加的定居人口促进了不同绿洲之间的相互联系,进一步在4000~3000 a BP开辟了跨大陆文化交流的史前丝绸之路,为历史时期丝绸之路的最终开通奠定了基础.展开更多
基金the Second Tibetan Plateau Scientific Expedition and Research Program(2019QZKK0601)the Priority Research Program of the Chinese Academy of Sciences(XDA2004010101)+6 种基金the National Natural Science Foundation of China(42271160,32060208,31801040,and 32270667)the Major Project of National Social Science Foundation of China(21&ZD285and 20&ZD248)the National Key Research&Development Program of China(2020YFE0202200)Westlake Education FoundationNanqiang Outstanding Young Talents Program of Xiamen University(X2123302)the European Research Council Grant(ERC-2019-ADG-883700-TRAM)the Academician and Expert Workstation of Yunnan Province(202305AF150183)。
文摘The southward expansion of East Asian farmers profoundly influenced the social evolution of Southeast Asia by introducing cereal agriculture.However,the timing and routes of cereal expansion in key regions are unclear due to limited empirical evidence.Here we report macrofossil,microfossil,multiple isotopic(C/N/Sr/O)and paleoproteomic data directly from radiocarbon-dated human samples,which were unearthed from a site in Xingyi in central Yunnan and which date between 7000 and 3300 a BP.Dietary isotopes reveal the earliest arrival of millet ca.4900 a BP,and greater reliance on plant and animal agriculture was indicated between 3800 and 3300 a BP.The dietary differences between hunter-gatherer and agricultural groups are also evident in the metabolic and immune system proteins analysed from their skeletal remains.The results of paleoproteomic analysis indicate that humans had divergent biological adaptations,with and without farming.The combined application of isotopes,archaeobotanical data and proteomics provides a new approach to documenting dietary and health changes across major subsistence transitions.
基金supported by the National Key Research and Development Program of China (2018YFA0606400)he Strategic Priority Research Program of Chinese Academy of Sciences (XDB40000000)+5 种基金the 2nd Tibetan Plateau Scientific Expedition and Research (2019QZKK0101)the Youth Innovation Promotion Association of Chinese Academy of Sciences (Y201681)partly supported by the National Natural Science Foundation of China (41888101)the National Social Science Foundation of China (18ZDA172)the National Science Foundation of United States (NSF 1702816, EAR-0908792, and EAR-1211299)a part of the ‘‘Belt & Road” Project of the Institute of Earth Environment, Chinese Academy of Sciences (IEECAS)。
文摘中亚干旱区是丝绸之路的核心区,也是史前人类扩散和东西方文化交流的重要通道.该区气候干旱,植被和生态群落受制于水文因素.由于缺乏精确年代控制的高分辨率古气候记录,中亚地区全新世水文变化及极端干旱事件在史前人口迁移和跨欧亚大陆文化交流中扮演的角色还不清楚.本文基于来自吉尔吉斯斯坦的石笋多指标记录,重建了中亚干旱区目前年代最精确(测年误差~6‰)、分辨率最高(~3年)、涵盖中晚全新世的降水变化序列.结果显示在5820~5180 a BP期间,该区存在一次持续时间为640年的超级干旱事件,主要受西风带北移的影响.这次干旱事件对中亚史前文化的发展产生了重要影响,很可能阻碍了史前东西方文化沿中亚绿洲路线上的相向扩散,使得最早的跨欧亚大陆文化交流在5000~4000 a BP沿着北方草原路线开展.随着大干旱后降水的逐渐增加和生态环境的恢复,中亚绿洲和河谷中增加的定居人口促进了不同绿洲之间的相互联系,进一步在4000~3000 a BP开辟了跨大陆文化交流的史前丝绸之路,为历史时期丝绸之路的最终开通奠定了基础.
