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Maternal genetic history of ancient Tibetans over the past 4000 years

Journal of Genetics and Genomics 2023年第10期50卷 765-775页

作者： Ganyu Zhang Can Cui Shargan Wangdue Hongliang Lu Honghai Chen Lin Xi Wei He Haibing Yuan tinley tsring Zujun Chen Feng Yang Tashi Tsering Shuai Li Norbu Tashi Tsho Yang Yan Tong Xiaohong Wu Linhui Li Yuanhong He Peng Cao Qingyan Dai Feng Liu Xiaotian Feng Tianyi Wang Ruowei Yang Wanjing Ping Ming Zhang Xing Gao Yichen Liu Wenjun Wang Qiaomei Fu Key Laboratory of Vertebrate Evolution and Human Origins Institute of Vertebrate Paleontology and PaleoanthropologyChinese Academy of SciencesBeijing 100044China University of Chinese Academy of Sciences Beijing 100049China Tibet Institute for Conservation and Research of Cultural Relics LhasaTibet 850000China Center for Archaeological Science School of Archaeology and MuseologySichuan UniversityChengduSichuan 610064China School of Cultural Heritage Northwest UniversityXi’anShaanxi 710069China School of Archaeology and Museology Peking UniversityBeijing 100871China Science and Technology Archaeology National Centre for ArchaeologyBeijing 100013China Shanghai Qi Zhi Institute Shanghai 200232China

The settlement of the Tibetan Plateau epitomizes human adaptation to a high-altitude environment that poses great challenges to human ***,we reconstruct a 4000-year maternal genetic history of Tibetans using 128 ancient mitochondrial genome data from 37 sites in *** phylogeny of haplotypes M9a1a,M9a1b,D4g2,G2a’c,and D4i show that ancient Tibetans share the most recent common ancestor with ancient Middle and Upper Yellow River populations around the Early and Middle *** addition,the connections between Tibetans and Northeastern Asians vary over the past 4000 years,with a stronger matrilineal connection between the two during 4000 BPe3000 BP,and a weakened connection after 3000 BP,that are coincident with climate change,followed by a reinforced connection after the Tubo period(1400 BPe1100 BP).Besides,an over 4000-year matrilineal continuity is observed in some of the maternal *** also find the maternal genetic structure of ancient Tibetans is correlated to the geography and interactions between ancient Tibetans and ancient Nepal and Pakistan ***,the maternal genetic history of Tibetans can be characterized as a long-term matrilineal continuity with frequent internal and external population interactions that are dynamically shaped by geography,climate changes,as well as historical events.

关键词： Ancient DNA Tibetans Population history Mitochondrial genome

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