The spread of steppe and Iranian-related ancestry in the islands of the western Mediterranean

Luca Sineo, Vincenza Forgia, Ron Pinhasi, Damià Ramis, Swapan Mallick, Alessandra Modi, Stefania Vai, Kristin Stewardson, Douglas J. Kennett, Alissa Mittnik, Edgard Camarós, Vittoria Schimmenti, Luís Teira, Iñigo Olalde, Marián Cueto, Jens Carlsson, Francesca Candilio, Kendra A. Sirak, Beatriz Gamarra, Brendan J. CulletonIosif Lazaridis, Daniel M. Fernandes, Carles Lalueza-Fox, Olivia Cheronet, Pau Sureda, Megan Michel, Matthew Ferry, Nasreen Broomandkhoshbacht, Jonas Oppenheimer, Gianfranca Salis, Margherita Micheletti, Matthew Mah, Kirsten Mandl, Rebecca Bernardos, Gabriella Gasperetti, Kadir T. Özdoğan, Constanze Schattke, Jens Carlsson, Nick Patterson, David Reich, Nadin Rohland, David Caramelli, Carla Calò, Maria R. Palombo, Elisabetta Marini, Michaela Lucci, Maria Teschler-Nicola, Alfredo Coppa, Nick Patterson, Marina Lozano, David Reich, Mario Novak, Martina Lari, Roberto Maria Micciche'

Risultato della ricerca: Article

5 Citazioni (Scopus)

Abstract

Steppe-pastoralist-related ancestry reached Central Europe by at least 2500 bc, whereas Iranian farmer-related ancestry waspresent in Aegean Europe by at least 1900 bc. However, the spread of these ancestries into the western Mediterranean, wherethey have contributed to many populations that live today, remains poorly understood. Here, we generated genome-wideancient-DNA data from the Balearic Islands, Sicily and Sardinia, increasing the number of individuals with reported data from5 to 66. The oldest individual from the Balearic Islands (~2400 bc) carried ancestry from steppe pastoralists that probablyderived from west-to-east migration from Iberia, although two later Balearic individuals had less ancestry from steppe pastoralists.In Sicily, steppe pastoralist ancestry arrived by ~2200 bc, in part from Iberia; Iranian-related ancestry arrived by the midsecondmillennium bc, contemporary to its previously documented spread to the Aegean; and there was large-scale populationreplacement after the Bronze Age. In Sardinia, nearly all ancestry derived from the island’s early farmers until the first millenniumbc, with the exception of an outlier from the third millennium bc, who had primarily North African ancestry and who—alongwith an approximately contemporary Iberian—documents widespread Africa-to-Europe gene flow in the Chalcolithic. Majorimmigration into Sardinia began in the first millennium bc and, at present, no more than 56–62% of Sardinian ancestry is fromits first farmers. This value is lower than previous estimates, highlighting that Sardinia, similar to every other region in Europe,has been a stage for major movement and mixtures of people.
Lingua originaleEnglish
pagine (da-a)1-12
Numero di pagine12
RivistaNATURE ECOLOGY & EVOLUTION
Stato di pubblicazionePublished - 2020

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

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    Sineo, L., Forgia, V., Pinhasi, R., Ramis, D., Mallick, S., Modi, A., Vai, S., Stewardson, K., Kennett, D. J., Mittnik, A., Camarós, E., Schimmenti, V., Teira, L., Olalde, I., Cueto, M., Carlsson, J., Candilio, F., Sirak, K. A., Gamarra, B., ... Micciche', R. M. (2020). The spread of steppe and Iranian-related ancestry in the islands of the western Mediterranean. NATURE ECOLOGY & EVOLUTION, 1-12.