Y-chromosomal analysis of Greek Cypriots

[rozenblatt]

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0179474

Y-chromosomal analysis of Greek Cypriots reveals a primarily common pre-Ottoman paternal ancestry with Turkish Cypriots

    Alexandros Heraclides ,    Evy Bashiardes ,    Eva Fernández-Domínguez,    Stefania Bertoncini,    Marios Chimonas,    Vasilis Christofi,    Jonathan King,    Bruce Budowle,    Panayiotis Manoli,    Marios A. Cariolou

PLOS

    Published: June 16, 2017
    https://doi.org/10.1371/journal.pone.0179474

Abstract

Genetics can provide invaluable information on the ancestry of the current inhabitants of Cyprus. A Y-chromosome analysis was performed to (i) determine paternal ancestry among the Greek Cypriot (GCy) community in the context of the Central and Eastern Mediterranean and the Near East; and (ii) identify genetic similarities and differences between Greek Cypriots (GCy) and Turkish Cypriots (TCy). Our haplotype-based analysis has revealed that GCy and TCy patrilineages derive primarily from a single gene pool and show very close genetic affinity (low genetic differentiation) to Calabrian Italian and Lebanese patrilineages. In terms of more recent (past millennium) ancestry, as indicated by Y-haplotype sharing, GCy and TCy share much more haplotypes between them than with any surrounding population (7–8% of total haplotypes shared), while TCy also share around 3% of haplotypes with mainland Turks, and to a lesser extent with North Africans. In terms of Y-haplogroup frequencies, again GCy and TCy show very similar distributions, with the predominant haplogroups in both being J2a-M410, E-M78, and G2-P287. Overall, GCy also have a similar Y-haplogroup distribution to non-Turkic Anatolian and Southwest Caucasian populations, as well as Cretan Greeks. TCy show a slight shift towards Turkish populations, due to the presence of Eastern Eurasian (some of which of possible Ottoman origin) Y-haplogroups. Overall, the Y-chromosome analysis performed, using both Y-STR haplotype and binary Y-haplogroup data puts Cypriot in the middle of a genetic continuum stretching from the Levant to Southeast Europe and reveals that despite some differences in haplotype sharing and haplogroup structure, Greek Cypriots and Turkish Cypriots share primarily a common pre-Ottoman paternal ancestry.

[Yaroslav]

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A total of 13 different major Y-haplogroups (E1b1b, G1, G2, J1, J2, I1, I2, L, N, Q, R1a, R1b, T) were found among the 344 newly typed GCy haplotypes. [12] The most frequent was haplogroup J2 (29.6%), followed by haplogroup E1b1b (26.8%). Other common haplogroups were G2 (12.5%), R1b (11.9%), and J1 (8.7%). The remaining haplogroups were found at frequencies <5% (S6 Table).