Palaeogenetic study of human migrations around the Caspian Sea during protohistory

The influence of human migrations on the genetic diversity of human populations around the Caspian Sea has been widely proven and studied. However, the history of the populations of Central Asia, and more specifically the Indo-Iranian-speaking populations, is still largely unknown. Our analyses base...

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Main Author: Perle Guarino-Vignon
Format: Article
Language:English
Published: Société d'Anthropologie de Paris 2022-10-01
Series:Bulletins et Mémoires de la Société d’Anthropologie de Paris
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Online Access:https://journals.openedition.org/bmsap/10318
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author Perle Guarino-Vignon
author_facet Perle Guarino-Vignon
author_sort Perle Guarino-Vignon
collection DOAJ
description The influence of human migrations on the genetic diversity of human populations around the Caspian Sea has been widely proven and studied. However, the history of the populations of Central Asia, and more specifically the Indo-Iranian-speaking populations, is still largely unknown. Our analyses based on modern and ancient DNA genomic data show that the present-day Indo-Iranian-speaking populations, the Tajiks and the Yaghnobis, display a strong genetic continuity with the Iron Age populations of southern Central Asia. These analyses show a recent and restricted gene flow from the Lake Baikal region for the Yaghnobis and Tajiks, and other minor gene flows for the Tajiks. Our study of the Turkmen also reveals an interesting case of change in language and cultural practices with no significant gene flow. Finally, this study presents new results allowing a better characterisation of the admixture that occurred in southern Central Asia during the transition between the Bronze Age and the Iron Age, a pivotal period for the history of the present-day populations of this region.
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spelling doaj-art-31a29248e6de4ee9afdfdaec85e54fe62025-01-30T11:27:45ZengSociété d'Anthropologie de ParisBulletins et Mémoires de la Société d’Anthropologie de Paris1777-54692022-10-013410.4000/bmsap.10318Palaeogenetic study of human migrations around the Caspian Sea during protohistoryPerle Guarino-VignonThe influence of human migrations on the genetic diversity of human populations around the Caspian Sea has been widely proven and studied. However, the history of the populations of Central Asia, and more specifically the Indo-Iranian-speaking populations, is still largely unknown. Our analyses based on modern and ancient DNA genomic data show that the present-day Indo-Iranian-speaking populations, the Tajiks and the Yaghnobis, display a strong genetic continuity with the Iron Age populations of southern Central Asia. These analyses show a recent and restricted gene flow from the Lake Baikal region for the Yaghnobis and Tajiks, and other minor gene flows for the Tajiks. Our study of the Turkmen also reveals an interesting case of change in language and cultural practices with no significant gene flow. Finally, this study presents new results allowing a better characterisation of the admixture that occurred in southern Central Asia during the transition between the Bronze Age and the Iron Age, a pivotal period for the history of the present-day populations of this region.https://journals.openedition.org/bmsap/10318population geneticsancient DNACentral Asiagenetic anthropology
spellingShingle Perle Guarino-Vignon
Palaeogenetic study of human migrations around the Caspian Sea during protohistory
Bulletins et Mémoires de la Société d’Anthropologie de Paris
population genetics
ancient DNA
Central Asia
genetic anthropology
title Palaeogenetic study of human migrations around the Caspian Sea during protohistory
title_full Palaeogenetic study of human migrations around the Caspian Sea during protohistory
title_fullStr Palaeogenetic study of human migrations around the Caspian Sea during protohistory
title_full_unstemmed Palaeogenetic study of human migrations around the Caspian Sea during protohistory
title_short Palaeogenetic study of human migrations around the Caspian Sea during protohistory
title_sort palaeogenetic study of human migrations around the caspian sea during protohistory
topic population genetics
ancient DNA
Central Asia
genetic anthropology
url https://journals.openedition.org/bmsap/10318
work_keys_str_mv AT perleguarinovignon palaeogeneticstudyofhumanmigrationsaroundthecaspianseaduringprotohistory