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TitleMitogenome diversity in Sardinians: a genetic window onto an island's past
Author(s)Olivieri, Anna
Sidore, Carlo
Achilli, Alessandro
Angius, Andrea
Posth, Cosimo
Furtwängler, Anja
Brandini, Stefania
Capodiferro, Marco Rosario
Gandini, Francesca
Zoledziewska, Magdalena
Pitzalis, Maristella
Maschio, Andrea
Busonero, Fabio
Lai, Luca
Skeates, Robin
Gradoli, Maria Giuseppina
Beckett, Jessica
Marongiu, Michele
Mazzarello, Vittorio
Marongiu, Patrizia
Rubino, Salvatore
Rito, Teresa S.
Macaulay, Vincent
Semino, Ornella
Pala, Maria
Abecasis, Gonçalo R.
Schlessinger, David
Conde-Sousa, Eduardo
Soares, Pedro
Richards, Martin B.
Cucca, Francesco
Torroni, Antonio
KeywordsMitochondrial genomes
Mitochondrial DNA phylogeny
Prehistory of Sardinia
Origins of Europeans
Issue date1-May-2017
PublisherOxford University Press
JournalMolecular Biology and Evolution
CitationOlivieri, A., Sidore, C., Achilli, A., Angius, A., Posth, C., Furtwängler, A., et. al. (2017). Mitogenome diversity in Sardinians: a genetic window onto an island's past. Molecular biology and evolution, 34(5), 1230-1239
Abstract(s)Sardinians are "outliers" in the European genetic landscape and, according to paleogenomic nuclear data, the closest to early European Neolithic farmers. To learn more about their genetic ancestry, we analyzed 3,491 modern and 21 ancient mitogenomes from Sardinia. We observed that 78.4% of modern mitogenomes cluster into 89 haplogroups that most likely arose in situ. For each Sardinian-specific haplogroup (SSH), we also identified the upstream node in the phylogeny, from which non-Sardinian mitogenomes radiate. This provided minimum and maximum time estimates for the presence of each SSH on the island. In agreement with demographic evidence, almost all SSHs coalesce in the post-Nuragic, Nuragic and Neolithic-Copper Age periods. For some rare SSHs, however, we could not dismiss the possibility that they might have been on the island prior to the Neolithic, a scenario that would be in agreement with archeological evidence of a Mesolithic occupation of Sardinia.
Publisher version
AccessOpen access
Appears in Collections:ICVS - Artigos em Revistas Internacionais com Referee

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