Genetic Insights into Yayoi Immigrants to Japan
Author Information
Author(s): Kim Jonghyun, Mizuno Fuzuki, Matsushita Takayuki, Matsushita Masami, Aoto Saki, Ishiya Koji, Kamio Mami, Naka Izumi, Hayashi Michiko, Kurosaki Kunihiko, Ueda Shintaroh, Ohashi Jun
Primary Institution: The University of Tokyo
Hypothesis
What are the genetic origins of Yayoi immigrants to the Japanese Archipelago?
Conclusion
The study suggests that the majority of immigrants to the Japanese Archipelago during the Yayoi period primarily originated from the Korean Peninsula.
Supporting Evidence
- The Doigahama Yayoi individual had three distinct genetic ancestries: Jomon-related, East Asian-related, and Northeastern Siberian-related.
- The Korean population exhibited the highest degree of genetic similarity to the Doigahama Yayoi individual.
- Admixture modeling supported a two-way admixture model assuming Jomon-related and Korean-related ancestries.
Takeaway
Scientists studied the DNA of an ancient Yayoi person from Japan and found that many of their ancestors came from Korea.
Methodology
Whole nuclear genome sequencing of a Yayoi individual from the Doigahama site, followed by population genetic analysis and admixture modeling.
Limitations
The representativeness of the Yayoi samples used in previous studies and the quality of sequence data from other Yayoi individuals were concerns.
Participant Demographics
The study focused on a Yayoi individual from the Doigahama site in Yamaguchi Prefecture, Japan.
Digital Object Identifier (DOI)
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