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Ancient genomes shed light on human prehistory in East Asia

  • A team led by Prof. Fu Qiaomei at the Chinese Academy of Sciences examined genomic data from 127 ancient individuals recovered in Yunnan, with ages ranging approximately from 7,100 to 1,400 years before present, providing fresh perspectives on the early history of East Asian populations.
  • The study uncovered a previously unknown Asian ancestry, termed Xingyi, from a 7,100-year-old individual genetically distinct from most modern East Asians and diverged at least 40,000 years ago.
  • Xingyi ancestry, which diverged more than 40,000 years ago, remained present in southwestern China through the Holocene and contributed genetic material to populations migrating westward, including ancestors of Tibetan groups; meanwhile, other individuals from Yunnan displayed strong genetic connections to Austroasiatic speakers existing prior to the onset of agriculture.
  • The researchers emphasized that early human populations from this area could provide important insights into unresolved aspects of the ancient peoples in East and Southeast Asia, underscoring the significant genetic diversity found across East Asian groups.
  • The findings elucidate East Asia's genetic diversity and migration history, offering the oldest evidence of Austroasiatic ancestry and new perspectives on Tibetan origins across a broad geographic region.
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Phys.org broke the news in United Kingdom on Thursday, May 29, 2025.
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