egafauna were used by the American inhabitants in pre-Columbian times. However, in recent years there has been an increase in the cultivation of certain species for commercial purposes, which can lead to the loss of a diversity generated over thousands of years. “And this fact is exacerbated by the predictions of climate change for the region. For this reason, urgent measures must be taken both to conserve existing genetic resources in underused species and to recover as food and other uses species that were used in ancient times and that are practically unknown to a large part of society today ”, he concludes Last. In a multidisciplinary study published in the journal Proceedings of the National Academy of Sciences (PNAS) , an international team of researchers, including several members of the Atapuerca Team, has combined archaeological, genetic

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stable isotope data to condense 4000 years of Iberian biomolecular prehistory. The team has analyzed human remains from the north and south of Spain, among which the rich Saint Kitts and Nevis Email List archaeological site of El Portalón stands out, which is part of the well-known set of sites of the Sierra de Atapuerca in Burgos and which itself records more than seven millennia of Iberian prehistory. The study also analyzed important sites such as the Cueva de los Murcielagos de Zuheros (Córdoba), from which the genome of a 7,245-year-old Neolithic farmer has been sequenced, making it the oldest sequenced human genome in southern Spain. the Iberian Peninsula, representative of the Neolithic Culture of Almagra ceramics, characteristic of the first farmers of Andalusia. Prehistoric migrations have played an important role in the genetic makeup of European populations.

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Since the last glacial maximum, approximately 20,000 years ago, Europe was inhabited exclusively by hunter-gatherer groups, but two major migrations during the last 10,000 years had massive impacts on the lifestyle and gene pool of European populations. First, approximately 7,400 years ago, groups originating from the Middle East and Anatolia introduced agricultural practices to Europe during the Neolithic Age. Later, 5,000 years ago, populations of the Pontic-Caspian steppe spread across the European continent, replacing the previous ones. As both movements originated in the east, the westernmost parts of the continent were the last to be reached by these migrations. Although archaeological studies have shown that both migrations have replaced more than half of the genetic record of central and northern Europe,

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