Ancient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean

Abstract The Mediterranean shores stretching between Sicily, Southern Italy and the Southern Balkans witnessed a long series of migration processes and cultural exchanges. Accordingly, present-day population diversity is composed by multiple genetic layers, which make the deciphering of different an...

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Autores principales:	Stefania Sarno, Alessio Boattini, Luca Pagani, Marco Sazzini, Sara De Fanti, Andrea Quagliariello, Guido Alberto Gnecchi Ruscone, Etienne Guichard, Graziella Ciani, Eugenio Bortolini, Chiara Barbieri, Elisabetta Cilli, Rosalba Petrilli, Ilia Mikerezi, Luca Sineo, Miguel Vilar, Spencer Wells, Donata Luiselli, Davide Pettener
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cb4f343357384d27976728e97ddfed3a
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spelling	oai:doaj.org-article:cb4f343357384d27976728e97ddfed3a2021-12-02T15:04:52ZAncient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean10.1038/s41598-017-01802-42045-2322https://doaj.org/article/cb4f343357384d27976728e97ddfed3a2017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-01802-4https://doaj.org/toc/2045-2322Abstract The Mediterranean shores stretching between Sicily, Southern Italy and the Southern Balkans witnessed a long series of migration processes and cultural exchanges. Accordingly, present-day population diversity is composed by multiple genetic layers, which make the deciphering of different ancestral and historical contributes particularly challenging. We address this issue by genotyping 511 samples from 23 populations of Sicily, Southern Italy, Greece and Albania with the Illumina GenoChip Array, also including new samples from Albanian- and Greek-speaking ethno-linguistic minorities of Southern Italy. Our results reveal a shared Mediterranean genetic continuity, extending from Sicily to Cyprus, where Southern Italian populations appear genetically closer to Greek-speaking islands than to continental Greece. Besides a predominant Neolithic background, we identify traces of Post-Neolithic Levantine- and Caucasus-related ancestries, compatible with maritime Bronze-Age migrations. We argue that these results may have important implications in the cultural history of Europe, such as in the diffusion of some Indo-European languages. Instead, recent historical expansions from North-Eastern Europe account for the observed differentiation of present-day continental Southern Balkan groups. Patterns of IBD-sharing directly reconnect Albanian-speaking Arbereshe with a recent Balkan-source origin, while Greek-speaking communities of Southern Italy cluster with their Italian-speaking neighbours suggesting a long-term history of presence in Southern Italy.Stefania SarnoAlessio BoattiniLuca PaganiMarco SazziniSara De FantiAndrea QuagliarielloGuido Alberto Gnecchi RusconeEtienne GuichardGraziella CianiEugenio BortoliniChiara BarbieriElisabetta CilliRosalba PetrilliIlia MikereziLuca SineoMiguel VilarSpencer WellsDonata LuiselliDavide PettenerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Stefania Sarno Alessio Boattini Luca Pagani Marco Sazzini Sara De Fanti Andrea Quagliariello Guido Alberto Gnecchi Ruscone Etienne Guichard Graziella Ciani Eugenio Bortolini Chiara Barbieri Elisabetta Cilli Rosalba Petrilli Ilia Mikerezi Luca Sineo Miguel Vilar Spencer Wells Donata Luiselli Davide Pettener Ancient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean
description	Abstract The Mediterranean shores stretching between Sicily, Southern Italy and the Southern Balkans witnessed a long series of migration processes and cultural exchanges. Accordingly, present-day population diversity is composed by multiple genetic layers, which make the deciphering of different ancestral and historical contributes particularly challenging. We address this issue by genotyping 511 samples from 23 populations of Sicily, Southern Italy, Greece and Albania with the Illumina GenoChip Array, also including new samples from Albanian- and Greek-speaking ethno-linguistic minorities of Southern Italy. Our results reveal a shared Mediterranean genetic continuity, extending from Sicily to Cyprus, where Southern Italian populations appear genetically closer to Greek-speaking islands than to continental Greece. Besides a predominant Neolithic background, we identify traces of Post-Neolithic Levantine- and Caucasus-related ancestries, compatible with maritime Bronze-Age migrations. We argue that these results may have important implications in the cultural history of Europe, such as in the diffusion of some Indo-European languages. Instead, recent historical expansions from North-Eastern Europe account for the observed differentiation of present-day continental Southern Balkan groups. Patterns of IBD-sharing directly reconnect Albanian-speaking Arbereshe with a recent Balkan-source origin, while Greek-speaking communities of Southern Italy cluster with their Italian-speaking neighbours suggesting a long-term history of presence in Southern Italy.
format	article
author	Stefania Sarno Alessio Boattini Luca Pagani Marco Sazzini Sara De Fanti Andrea Quagliariello Guido Alberto Gnecchi Ruscone Etienne Guichard Graziella Ciani Eugenio Bortolini Chiara Barbieri Elisabetta Cilli Rosalba Petrilli Ilia Mikerezi Luca Sineo Miguel Vilar Spencer Wells Donata Luiselli Davide Pettener
author_facet	Stefania Sarno Alessio Boattini Luca Pagani Marco Sazzini Sara De Fanti Andrea Quagliariello Guido Alberto Gnecchi Ruscone Etienne Guichard Graziella Ciani Eugenio Bortolini Chiara Barbieri Elisabetta Cilli Rosalba Petrilli Ilia Mikerezi Luca Sineo Miguel Vilar Spencer Wells Donata Luiselli Davide Pettener
author_sort	Stefania Sarno
title	Ancient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean
title_short	Ancient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean
title_full	Ancient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean
title_fullStr	Ancient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean
title_full_unstemmed	Ancient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean
title_sort	ancient and recent admixture layers in sicily and southern italy trace multiple migration routes along the mediterranean
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/cb4f343357384d27976728e97ddfed3a
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Ancient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean

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