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The genomic history of the Iberian Peninsula over the past 8000 years

Abstract: We assembled genome-wide data from 271 ancient Iberians, of whom 176 are from the largely unsampled period after 2000 BCE, thereby providing a high-resolution time transect of the Iberian Peninsula.We document high genetic substructure between northwestern and southeastern hunter-gatherers before the spread of farming.We reveal sporadic contacts between Iberia and North Africa by ~2500 BCE and, by ~2000 BCE, the replacement of 40% of Iberia's ancestry and nearly 100% of its Y-chromosomes by people with Steppe ancestry.We show that, in the Iron Age, Steppe ancestry had spread not only into Indo-European-speaking regions but also into non-Indo-European-speaking ones, and we reveal that present-day Basques are best described as a typical Iron Age population without the admixture events that later affected the rest of Iberia. Additionally,we document how, beginning at least in the Roman period, the ancestry of the peninsula was transformed by gene flow from North Africa and the eastern Mediterranean.

 Autoría: Olalde I., Mallick S., Patterson N., Rohland N., Villalba-Mouco V., Silva M., Dulias K., Edwards C.J., Gandini F., Pala M., Soares P., Ferrando-Bernal M., Adamski N., Broomandkhoshbacht N., Cheronet O., Culleton B.J., Fernandes D., Lawson A.M., Mah M., Oppenheimer J., Stewardson K., Zhang Z., Arenas J.M.J., Moyano I.J.T., Salazar-García D.C., Castanyer P., Santos M., Tremoleda J., Lozano M., Borja P.G., Fernández-Eraso J., Mujika-Alus

 Fuente: Science, (2019), 363, 1230-1234

Editorial: American Association for the Advancement of Science

 Año de publicación: 2019

Nº de páginas: 6

Tipo de publicación: Artículo de Revista

 DOI: 10.1126/science.aav4040

ISSN: 0036-8075,1095-9203

Proyecto español: HAR2017-86509-P

Url de la publicación: https://doi.org/10.1126/science.aav4040

Autores/as

OLALDE, IÑIGO

MALLICK, SWAPAN

PATTERSON, NICK

ROHLAND, NADIN

VILLALBA MOUCO, VANESSA

SILVA, MARINA

DULIAS, KATHARINA

EDWARDS, CEIRIDWEN J.

GANDINI, FRANCESCA

PALA, MARIA

SOARES, PEDRO

FERRANDO BERNAL, MANUEL

ADAMSKI, NICOLE

BROOMANDKHOSHBACHT, NASREEN

CHERONET, OLIVIA

CULLETON, BRENDAN J.

FERNANDES, DANIEL

LAWSON, ANN MARIE

MAH, MATTHEW

OPPENHEIMER, JONAS

ALMUDENA MARIA ESTALRRICH ALBO