Supplementary material from "Ancient mitogenomes show plateau populations from last 5200 years partially contributed to present-day Tibetans"
Posted on 2020-03-07 - 13:01
The clarification of the genetic origins of present-day Tibetans requires an understanding of their past relationships with the ancient populations of the Tibetan Plateau. Here we successfully sequenced 67 complete mitochondrial (mtDNA) genomes of 5200 to 300-year-old humans from the plateau. Apart from identifying two ancient plateau lineages (haplogroups D4j1b and M9a1a1c1b1a) that suggest some ancestors of Tibetans came from low-altitude areas 4750 to 2775 years ago and that some were involved in an expansion of people moving between high-altitude areas 2125 to 1100 years ago, we found limited evidence of recent matrilineal continuity on the plateau. Furthermore, deep learning of the ancient data incorporated into simulation models with an accuracy of 97% supports that present-day Tibetan matrilineal ancestry received partial contribution rather than complete continuity from the plateau populations of the last 5200 years.
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Ding, Manyu; Wang, Tianyi; Ko, Albert Min-Shan; Chen, Honghai; Wang, Hui; Dong, Guanghui; et al. (2020). Supplementary material from "Ancient mitogenomes show plateau populations from last 5200 years partially contributed to present-day Tibetans". The Royal Society. Collection. https://doi.org/10.6084/m9.figshare.c.4886247.v1
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AUTHORS (23)
MD
Manyu Ding
TW
Tianyi Wang
AK
Albert Min-Shan Ko
HC
Honghai Chen
HW
Hui Wang
GD
Guanghui Dong
HL
Hongliang Lu
WH
Wei He
SW
Shargan Wangdue
HY
Haibing Yuan
YH
Yuanhong He
LC
Linhai Cai
ZC
Zujun Chen
GH
Guangliang Hou
DZ
Dongju Zhang
ZZ
Zhaoxia Zhang
PC
Peng Cao
QD
Qingyan Dai
XF
Xiaotian Feng
MZ
Ming Zhang