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Whole mitogenomes reveal that NW Africa has acted both as a source and a destination for multiple human movements

The Author(s) 2023. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess ;ISSN: 2045-2322 ;EISSN: 2045-2322 ;DOI: 10.1038/s41598-023-37549-4

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  • Title:
    Whole mitogenomes reveal that NW Africa has acted both as a source and a destination for multiple human movements
  • Author: Aizpurua-Iraola, Julen ; Abdeli, Amine ; Benhassine, Traki ; Calafell i Majó, Francesc ; Comas, David, 1969
  • Subjects: Biological anthropology ; Genetic variation
  • Description: Despite being enclosed between the Mediterranean Sea and the Sahara Desert, North Africa has been the scenario of multiple human migrations that have shaped the genetic structure of its present-day populations. Despite its richness, North Africa remains underrepresented in genomic studies. To overcome this, we have sequenced and analyzed 264 mitogenomes from the Algerian Chaoui-speaking Imazighen (a.k.a. Berbers) living in the Aurès region. The maternal genetic composition of the Aurès is similar to Arab populations in the region, dominated by West Eurasian lineages with a moderate presence of M1/U6 North African and L sub-Saharan lineages. When focusing on the time and geographic origin of the North African specific clades within the non-autochthonous haplogroups, different geographical neighboring regions contributed to the North African maternal gene pool during time periods that could be attributed to previously suggested admixture events in the region, since Paleolithic times to recent historical movements such as the Arabization. We have also observed the role of North Africa as a source of geneflow mainly in Southern European regions since Neolithic times. Finally, the present work constitutes an effort to increase the representation of North African populations in genetic databases, which is key to understand their history. This work was supported by the Spanish Ministry of Science and Innovation (Grant Number PID2019-106485GB-I00) and “Unidad María de Maeztu” (CEX2018-000792-M) funded by the MCIN and the AEI (https://doi.org/10.13039/501100011033).
  • Publisher: Nature Research
  • Creation Date: 2023
  • Language: English
  • Identifier: ISSN: 2045-2322
    EISSN: 2045-2322
    DOI: 10.1038/s41598-023-37549-4
  • Source: PubMed Central
    Repositori Digital de la UPF (Universitat Pompeu Fabra)
    ProQuest Central
    DOAJ Directory of Open Access Journals
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