A finely resolved phylogeny of Y chromosome Hg J illuminates the processes of Phoenician and Greek colonizations in the Mediterranean

Scientific Reports
Andrea FinocchioA Novelletto

Abstract

In order to improve the phylogeography of the male-specific genetic traces of Greek and Phoenician colonizations on the Northern coasts of the Mediterranean, we performed a geographically structured sampling of seven subclades of haplogroup J in Turkey, Greece and Italy. We resequenced 4.4 Mb of Y-chromosome in 58 subjects, obtaining 1079 high quality variants. We did not find a preferential coalescence of Turkish samples to ancestral nodes, contradicting the simplistic idea of a dispersal and radiation of Hg J as a whole from the Middle East. Upon calibration with an ancient Hg J chromosome, we confirmed that signs of Holocenic Hg J radiations are subtle and date mainly to the Bronze Age. We pinpointed seven variants which could potentially unveil star clusters of sequences, indicative of local expansions. By directly genotyping these variants in Hg J carriers and complementing with published resequenced chromosomes (893 subjects), we provide strong temporal and distributional evidence for markers of the Greek settlement of Magna Graecia (J2a-L397) and Phoenician migrations (rs760148062). Our work generated a minimal but robust list of evolutionarily stable markers to elucidate the demographic dynamics and spatial domains of m...Continue Reading

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Citations

Dec 10, 2020·Scientific Reports·J F FerragutA Picornell
Mar 25, 2021·Scientific Reports·Hovhannes SahakyanRichard Villems
May 8, 2021·European Journal of Human Genetics : EJHG·Anne-Mai IlumäeRichard Villems
Jul 4, 2021·International Journal of Legal Medicine·B Navarro-LópezM M de Pancorbo

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Datasets Mentioned

BETA
PRJEB25861
ERS2065802-6

Methods Mentioned

BETA
genotyping

Software Mentioned

map
Locri
mapproj
MEGA
R
BEAST

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