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Taiwanese aborigines according autosomal studies
Topic Started: Dec 2 2017, 11:06:29 PM (25 Views)
black man
The Right Hand
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Geneticists so far seemed to have had the tendency to treat Taiwanese aborigines like supposedly "pure-bred" reference points in autosomal studies. But that's unlikely and probably based on oversimplications concerning the prehistory of SE China and the Philippines.

In fig. 2 of the HUGO Pan-Asian SNP Consortium et al. 2009 there are more blue and yellow "components" in the Atayal bars than in the Ami bars (although the bars in fig. S13, which should be equivalent, are more ambiguous). This seems to confirm the impression from the mtDNA hg profiles of Trejaut et al. 2005 that there could be relatively increased "ST-like" (blue "component") and Japanese-like/North-Asian-like (yellow "component") ancestry in the Atayal when you compare them with the Ami.

Furthermore, Pierron et al. 2014 confirmed the presence of "Lebbo-like" (i.e., relatively "southern") AN "component" (violet "component") in the bars of what appear to be the Ami bars mentioned above. And this "component" was absent from the Atayal bars of their study, which were probably identitical with those mentioned above as well. In this sense, the Ami of Pierron et al. 2014 were intermediate in between the Atayal and some of the Filipino samples of their study.

HUGO Pan-Asian SNP Consortium et al. 2009: "Mapping Human Genetic Diversity in Asia"; doi: 10.1126/science.1177074
Pierron et al. 2014: "Genome-wide evidence of Austronesian–Bantu admixture"; doi: 10.1073/pnas.1321860111
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