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Y-chromosome diversity suggests southern origin and Paleolithic backwave migration of Austro-Asiatic speakers from eastern Asia to the Indian subcontinent

Analyses of an Asian-specific Y-chromosome lineage (O2a1-M95)—the dominant paternal lineage in Austro-Asiatic (AA) speaking populations, who are found on both sides of the Bay of Bengal—led to two competing hypothesis of this group’s geographic origin and migratory routes. One hypothesis posits the...

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Autores principales: Zhang, Xiaoming, Liao, Shiyu, Qi, Xuebin, Liu, Jiewei, Kampuansai, Jatupol, Zhang, Hui, Yang, Zhaohui, Serey, Bun, Sovannary, Tuot, Bunnath, Long, Seang Aun, Hong, Samnom, Ham, Kangwanpong, Daoroong, Shi, Hong, Su, Bing
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4611482/
https://www.ncbi.nlm.nih.gov/pubmed/26482917
http://dx.doi.org/10.1038/srep15486
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author Zhang, Xiaoming
Liao, Shiyu
Qi, Xuebin
Liu, Jiewei
Kampuansai, Jatupol
Zhang, Hui
Yang, Zhaohui
Serey, Bun
Sovannary, Tuot
Bunnath, Long
Seang Aun, Hong
Samnom, Ham
Kangwanpong, Daoroong
Shi, Hong
Su, Bing
author_facet Zhang, Xiaoming
Liao, Shiyu
Qi, Xuebin
Liu, Jiewei
Kampuansai, Jatupol
Zhang, Hui
Yang, Zhaohui
Serey, Bun
Sovannary, Tuot
Bunnath, Long
Seang Aun, Hong
Samnom, Ham
Kangwanpong, Daoroong
Shi, Hong
Su, Bing
author_sort Zhang, Xiaoming
collection PubMed
description Analyses of an Asian-specific Y-chromosome lineage (O2a1-M95)—the dominant paternal lineage in Austro-Asiatic (AA) speaking populations, who are found on both sides of the Bay of Bengal—led to two competing hypothesis of this group’s geographic origin and migratory routes. One hypothesis posits the origin of the AA speakers in India and an eastward dispersal to Southeast Asia, while the other places an origin in Southeast Asia with westward dispersal to India. Here, we collected samples of AA-speaking populations from mainland Southeast Asia (MSEA) and southern China, and genotyped 16 Y-STRs of 343 males who belong to the O2a1-M95 lineage. Combining our samples with previous data, we analyzed both the Y-chromosome and mtDNA diversities. We generated a comprehensive picture of the O2a1-M95 lineage in Asia. We demonstrated that the O2a1-M95 lineage originated in the southern East Asia among the Daic-speaking populations ~20–40 thousand years ago and then dispersed southward to Southeast Asia after the Last Glacial Maximum before moving westward to the Indian subcontinent. This migration resulted in the current distribution of this Y-chromosome lineage in the AA-speaking populations. Further analysis of mtDNA diversity showed a different pattern, supporting a previously proposed sex-biased admixture of the AA-speaking populations in India.
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spelling pubmed-46114822015-11-02 Y-chromosome diversity suggests southern origin and Paleolithic backwave migration of Austro-Asiatic speakers from eastern Asia to the Indian subcontinent Zhang, Xiaoming Liao, Shiyu Qi, Xuebin Liu, Jiewei Kampuansai, Jatupol Zhang, Hui Yang, Zhaohui Serey, Bun Sovannary, Tuot Bunnath, Long Seang Aun, Hong Samnom, Ham Kangwanpong, Daoroong Shi, Hong Su, Bing Sci Rep Article Analyses of an Asian-specific Y-chromosome lineage (O2a1-M95)—the dominant paternal lineage in Austro-Asiatic (AA) speaking populations, who are found on both sides of the Bay of Bengal—led to two competing hypothesis of this group’s geographic origin and migratory routes. One hypothesis posits the origin of the AA speakers in India and an eastward dispersal to Southeast Asia, while the other places an origin in Southeast Asia with westward dispersal to India. Here, we collected samples of AA-speaking populations from mainland Southeast Asia (MSEA) and southern China, and genotyped 16 Y-STRs of 343 males who belong to the O2a1-M95 lineage. Combining our samples with previous data, we analyzed both the Y-chromosome and mtDNA diversities. We generated a comprehensive picture of the O2a1-M95 lineage in Asia. We demonstrated that the O2a1-M95 lineage originated in the southern East Asia among the Daic-speaking populations ~20–40 thousand years ago and then dispersed southward to Southeast Asia after the Last Glacial Maximum before moving westward to the Indian subcontinent. This migration resulted in the current distribution of this Y-chromosome lineage in the AA-speaking populations. Further analysis of mtDNA diversity showed a different pattern, supporting a previously proposed sex-biased admixture of the AA-speaking populations in India. Nature Publishing Group 2015-10-20 /pmc/articles/PMC4611482/ /pubmed/26482917 http://dx.doi.org/10.1038/srep15486 Text en Copyright © 2015, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Zhang, Xiaoming
Liao, Shiyu
Qi, Xuebin
Liu, Jiewei
Kampuansai, Jatupol
Zhang, Hui
Yang, Zhaohui
Serey, Bun
Sovannary, Tuot
Bunnath, Long
Seang Aun, Hong
Samnom, Ham
Kangwanpong, Daoroong
Shi, Hong
Su, Bing
Y-chromosome diversity suggests southern origin and Paleolithic backwave migration of Austro-Asiatic speakers from eastern Asia to the Indian subcontinent
title Y-chromosome diversity suggests southern origin and Paleolithic backwave migration of Austro-Asiatic speakers from eastern Asia to the Indian subcontinent
title_full Y-chromosome diversity suggests southern origin and Paleolithic backwave migration of Austro-Asiatic speakers from eastern Asia to the Indian subcontinent
title_fullStr Y-chromosome diversity suggests southern origin and Paleolithic backwave migration of Austro-Asiatic speakers from eastern Asia to the Indian subcontinent
title_full_unstemmed Y-chromosome diversity suggests southern origin and Paleolithic backwave migration of Austro-Asiatic speakers from eastern Asia to the Indian subcontinent
title_short Y-chromosome diversity suggests southern origin and Paleolithic backwave migration of Austro-Asiatic speakers from eastern Asia to the Indian subcontinent
title_sort y-chromosome diversity suggests southern origin and paleolithic backwave migration of austro-asiatic speakers from eastern asia to the indian subcontinent
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4611482/
https://www.ncbi.nlm.nih.gov/pubmed/26482917
http://dx.doi.org/10.1038/srep15486
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