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Article Dans Une Revue Molecular Biology and Evolution Année : 2020

Extensive Ethnolinguistic Diversity in Vietnam Reflects Multiple Sources of Genetic Diversity

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Dang Liu
  • Fonction : Auteur
Nguyen Thuy Duong
  • Fonction : Auteur
Nguyen Dang Ton
  • Fonction : Auteur
Nguyen van Phong
  • Fonction : Auteur
Brigitte Pakendorf
Nong van Hai
  • Fonction : Auteur
Mark Stoneking

Résumé

Vietnam features extensive ethnolinguistic diversity and occupies a key position in Mainland Southeast Asia. Yet, the genetic diversity of Vietnam remains relatively unexplored, especially with genome-wide data, because previous studies have focused mainly on the majority Kinh group. Here, we analyze newly generated genome-wide single-nucleotide polymorphism data for the Kinh and 21 additional ethnic groups in Vietnam, encompassing all five major language families in Mainland Southeast Asia. In addition to analyzing the allele and haplotype sharing within the Vietnamese groups, we incorporate published data from both nearby modern populations and ancient samples for comparison. In contrast to previous studies that suggested a largely indigenous origin for Vietnamese genetic diversity, we find that Vietnamese ethnolinguistic groups harbor multiple sources of genetic diversity that likely reflect different sources for the ancestry associated with each language family. However, linguistic diversity does not completely match genetic diversity: There have been extensive interactions between the Hmong-Mien and Tai-Kadai groups; different Austro-Asiatic groups show different affinities with other ethnolinguistic groups; and we identified a likely case of cultural diffusion in which some Austro-Asiatic groups shifted to Austronesian languages during the past 2,500 years. Overall, our results highlight the importance of genome-wide data from dense sampling of ethnolinguistic groups in providing new insights into the genetic diversity and history of an ethnolinguistically diverse region, such as Vietnam.
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Dates et versions

hal-03085670 , version 1 (21-12-2020)

Identifiants

Citer

Dang Liu, Nguyen Thuy Duong, Nguyen Dang Ton, Nguyen van Phong, Brigitte Pakendorf, et al.. Extensive Ethnolinguistic Diversity in Vietnam Reflects Multiple Sources of Genetic Diversity. Molecular Biology and Evolution, 2020, 37 (9), pp.2503 - 2519. ⟨10.1093/molbev/msaa099⟩. ⟨hal-03085670⟩
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