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Thread: Prehistoric migrations shaped Corsican Y-chromosome102 days old

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    Default Prehistoric migrations shaped Corsican Y-chromosome

    Prehistoric migrations through the Mediterranean basin shaped Corsican Y-chromosome diversity

    http://journals.plos.org/plosone/art...l.pone.0200641

    The rarity of human remains makes it difficult to apprehend the first settlements in Corsica. It is admitted that initial colonization could have occurred during the Mesolithic period when glaciations would have shortened the open water travel distance from the continent. Mesolithic sites in Corsica show relatively short and irregular occupation, and suggest discontinuous settling of very mobile groups probably traveling by boat. Previous genetic studies on Corsican populations showed internal differentiation and a relatively poor genetic relationship with continental populations, despite intense historical contacts, however local Mesolithic-based genetic inheritance has never been properly estimated. The aim of this study was to explore the Corsican genetic profile of Y-chromosomes in order to trace the genetic signatures back to the first migrations to Corsica. This study included 321 samples from men throughout Corsica; samples from Provence and Tuscany were added to the cohort. All samples were typed for 92 Y-SNPs, and Y-STRs were also analyzed. Results revealed highly differentiated haplogroup patterns among Corsican populations. Haplogroup G had the highest frequency in Corsica, mostly displaying a unique Y-STR profile. When compared with Provence and Tuscany, Corsican populations displayed limited genetic proximity. Corsican populations present a remarkable Y-chromosome genetic mixture. Although the Corsican Y-chromosome profile shows similarities with both Provence and to a lesser extent Tuscany, it mainly displays its own specificity.

    p.s
    there are some e1b1a-v38 cases in corsica and i think it could be carthegenian
    from the paper :
    most of the E in corsica is E-V13
    characteristic of the region surrounding Alaria, and consistent with the TMRCA estimated in Corsica for this haplogroup. A few E1b1a-V38 chromosomes are also observed in the same regions as V13.
    the killer look :)

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    my link was broken
    here is the correct link
    http://journals.plos.org/plosone/art...l.pone.0200641
    the killer look :)

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