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

@article{Sarno2017AncientAR,
  title={Ancient and recent admixture layers in Sicily and Southern Italy trace multiple migration routes along the Mediterranean},
  author={Stefania Sarno and Alessio Boattini and Luca Pagani and Marco Sazzini and Sara De Fanti and Andrea Quagliariello and Guido Alberto Gnecchi Ruscone and Etienne Guichard and Graziella Ciani and Eugenio Bortolini and Chiara Barbieri and Elisabetta Cilli and Rosalba Petrilli and Ilia Mikerezi and Luca S{\`i}neo and Miguel Vilar and Spencer Wells and Donata Luiselli and Davide Pettener},
  journal={Scientific Reports},
  year={2017},
  volume={7}
}
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… 
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References

SHOWING 1-10 OF 60 REFERENCES
An Ancient Mediterranean Melting Pot: Investigating the Uniparental Genetic Structure and Population History of Sicily and Southern Italy
TLDR
Both uniparental genetic structures and TMRCA estimates confirm the role of Sicily and Southern Italy as an ancient Mediterranean melting pot for genes and cultures.
Uniparental Markers in Italy Reveal a Sex-Biased Genetic Structure and Different Historical Strata
TLDR
Analysis of uniparentally-inherited markers in ∼900 individuals across the Italian peninsula, Sardinia and Sicily revealed a sex-biased pattern indicating different demographic histories for males and females and a North West–South East Y-chromosome structure is found in continental Italy.
The Greeks in the West: genetic signatures of the Hellenic colonisation in southern Italy and Sicily
TLDR
High-resolution surveys of the variability at the uni-parentally inherited Y chromosome and mitochondrial DNA in selected samples of putative source and recipient populations are combined with forward-in-time simulations of alternative demographic models to detect signatures of that impact.
Maritime route of colonization of Europe
TLDR
The hypothesis that Near Eastern migrants reached Europe from Anatolia was compatible with the hypothesis that a maritime coastal route was mainly used for the migration of Neolithic farmers to Europe, and a striking structure correlating genes with geography around the Mediterranean Sea with characteristic east to west clines of gene flow is observed.
Early farmers from across Europe directly descended from Neolithic Aegeans
TLDR
This study demonstrates a direct genetic link between Mediterranean and Central European early farmers and those of Greece and Anatolia, extending the European Neolithic migratory chain all the way back to southwestern Asia.
Linguistic, geographic and genetic isolation: a collaborative study of Italian populations.
TLDR
The human genetic diversity of Italy was found to be greater than observed throughout the continent at short and intermediate distances, and accounted for most of the highest values of genetic distances observed at all geographic ranges.
The Caucasus as an asymmetric semipermeable barrier to ancient human migrations.
TLDR
Autosomal genome variation in the Caucasus reveals significant genetic uniformity among its ethnically and linguistically diverse populations and is consistent with predominantly Near/Middle Eastern origin of the Caucasians, with minor external impacts.
The Italian genome reflects the history of Europe and the Mediterranean basin
TLDR
This study investigated genomic variation in the Italian population using 2.5 million single-nucleotide polymorphisms in a sample of more than 300 unrelated Italian subjects with well-defined geographical origins to interpret genome-wide data on 1272 individuals from European, Middle Eastern, and North African populations.
The History of African Gene Flow into Southern Europeans, Levantines, and Jews
TLDR
Genetic data is analyzed from about 40 West Eurasian groups to show that almost all Southern Europeans have inherited 1%–3% African ancestry with an average mixture date of around 55 generations ago, consistent with North African gene flow at the end of the Roman Empire and subsequent Arab migrations.
Shared language, diverging genetic histories: high-resolution analysis of Y-chromosome variability in Calabrian and Sicilian Arbereshe
TLDR
The results revealed that the considered Arbereshe groups, despite speaking closely related languages and sharing common cultural features, actually experienced diverging genetic histories, and these processes ultimately resulted in the differential acquisition or preservation of specific paternal lineages by the present-day Arbreshe communities.
...
1
2
3
4
5
...