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Genomic Analyses of Pre-European Conquest Human Remains from the Canary Islands Reveal Close Affinity to Modern North Africans
Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Arkeologiska forskningslaboratoriet. Universidad Complutense de Madrid, Spain.
Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Arkeologiska forskningslaboratoriet.
Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Osteoarkeologiska forskningslaboratoriet.
Vise andre og tillknytning
2017 (engelsk)Inngår i: Current Biology, ISSN 0960-9822, E-ISSN 1879-0445, Vol. 27, nr 21, s. 3396-3402.e5Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The origins and genetic affinity of the aboriginal inhabitants of the Canary Islands, commonly known as Guanches, are poorly understood. Though radiocarbon dates on archaeological remains such as charcoal, seeds, and domestic animal bones suggest that people have inhabited the islands since the 5th century BCE [1–3], it remains unclear how many times, and by whom, the islands were first settled [4, 5]. Previously published ancient DNA analyses of uniparental genetic markers have shown that the Guanches carried common North African Y chromosome markers (E-M81, E-M78, and J-M267) and mitochondrial lineages such as U6b, in addition to common Eurasian haplogroups [6–8]. These results are in agreement with some linguistic, archaeological, and anthropological data indicating an origin from a North African Berber-like population [1, 4, 9]. However, to date there are no published Guanche autosomal genomes to help elucidate and directly test this hypothesis. To resolve this, we generated the first genome-wide sequence data and mitochondrial genomes from eleven archaeological Guanche individuals originating from Gran Canaria and Tenerife. Five of the individuals (directly radiocarbon dated to a time transect spanning the 7th–11th centuries CE) yielded sufficient autosomal genome coverage (0.21× to 3.93×) for population genomic analysis. Our results show that the Guanches were genetically similar over time and that they display the greatest genetic affinity to extant Northwest Africans, strongly supporting the hypothesis of a Berber-like origin. We also estimate that the Guanches have contributed 16%–31% autosomal ancestry to modern Canary Islanders, here represented by two individuals from Gran Canaria.

sted, utgiver, år, opplag, sider
2017. Vol. 27, nr 21, s. 3396-3402.e5
Emneord [en]
Guanche, archaeogenomics, Canary Islands, ancient DNA, aboriginal populations, population genomics, colonization, admixture
HSV kategori
Forskningsprogram
arkeologi
Identifikatorer
URN: urn:nbn:se:su:diva-149620DOI: 10.1016/j.cub.2017.09.059ISI: 000414581700033PubMedID: 29107554OAI: oai:DiVA.org:su-149620DiVA, id: diva2:1163405
Prosjekter
1000 Ancient Genomes
Forskningsfinansiär
Knut and Alice Wallenberg FoundationTilgjengelig fra: 2017-12-06 Laget: 2017-12-06 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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Rodríguez-Varela, RicardoKrzewińska, MajaStorå, JanGötherström, Anders
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