Multi-layered population structure in Island Southeast Asians

@article{Morseburg2016MultilayeredPS,
  title={Multi-layered population structure in Island Southeast Asians},
  author={Alexander Mörseburg and Luca Pagani and F. X. Ricaut and Brynd{\'i}s Yngvad{\'o}ttir and {\'E}adaoin Harney and Cristina Cobo Castillo and Tom G. Hoogervorst and Tiago R. Ant{\~a}o and Pradiptajati Kusuma and Nicolas Brucato and Alexia Cardona and Denis Pierron and T. Letellier and Joseph T. S. Wee and Syafiq Abdullah and Mait Metspalu and Toomas Kivisild},
  journal={European Journal of Human Genetics},
  year={2016},
  volume={24},
  pages={1605-1611}
}
The history of human settlement in Southeast Asia has been complex and involved several distinct dispersal events. Here, we report the analyses of 1825 individuals from Southeast Asia including new genome-wide genotype data for 146 individuals from three Mainland Southeast Asian (Burmese, Malay and Vietnamese) and four Island Southeast Asian (Dusun, Filipino, Kankanaey and Murut) populations. While confirming the presence of previously recognised major ancestry components in the Southeast Asian… 

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References

SHOWING 1-10 OF 58 REFERENCES

Population genetic structure in Indian Austroasiatic speakers: the role of landscape barriers and sex-specific admixture.

TLDR
It is proposed that AA speakers in India today are derived from dispersal from southeast Asia, followed by extensive sex-specific admixture with local Indian populations, strongly supporting the first of the two hypotheses.

Genetic dating indicates that the Asian–Papuan admixture through Eastern Indonesia corresponds to the Austronesian expansion

TLDR
The results indicate that the Austronesian expansion had a strong genetic as well as linguistic impact on Island Southeast Asia, and they significantly advance the understanding of the biological origins of human populations in the Asia–Pacific region.

Major east-west division underlies Y chromosome stratification across Indonesia.

TLDR
A four-phase colonization model is put forward in which Paleolithic migrations of hunter-gatherers shape the primary structure of current Indonesian Y chromosome diversity, and Neolithic incursions make only a minor impact on the paternal gene pool, despite the large cultural impact of the Austronesian expansion.

Reconstructing Austronesian population history in Island Southeast Asia

TLDR
It is shown that all sampled Austronesian groups harbor ancestry that is more closely related to aboriginal Taiwanese than to any present-day mainland population, suggesting that either there was once a substantial Austro-Asiatic presence in Island Southeast Asia, or Austronesians migrated to and through the mainland, admixing there before continuing to western Indonesia.

Mapping Human Genetic Diversity in Asia

TLDR
The results suggest that there may have been a single major migration of people into Asia and a subsequent south-to-north migration across the continent, and that genetic ancestry is strongly correlated with linguistic affiliations as well as geography.

Genome-wide data substantiate Holocene gene flow from India to Australia

TLDR
An ancient association is found between Australia, New Guinea, and the Mamanwa (a Negrito group from the Philippines), with divergence times for these groups estimated at 36,000 y ago, supporting the view that these populations represent the descendants of an early “southern route” migration out of Africa, whereas other populations in the region arrived later by a separate dispersal.

The Andaman Islanders in a Regional Genetic Context: Reexamining the Evidence for an Early Peopling of the Archipelago from South Asia

TLDR
The genetic evidence from genome-wide autosomal single-nucleotide polymorphism (SNP) data is reviewed for a shared history between the tribes of Little Andaman (Onge) and Great Andaman, and between these two groups and the rest of South and Southeast Asia (both negrito and non-negrito groups).

The History of African Gene Flow into Southern Europeans, Levantines, and Jews

TLDR
Genetic data is analyzed from about 40 West Eurasian groups to show that almost all Southern Europeans have inherited 1%–3% African ancestry with an average mixture date of around 55 generations ago, consistent with North African gene flow at the end of the Roman Empire and subsequent Arab migrations.
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