Genetic insights into the social organization of Neanderthals
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Skov, L., Peyrégne, S., Popli, D., Iasi, L.N.M., Devièse, T., Slon, V., Zavala, E.I., Hajdinjak, M., Sümer, A.P., Grote, S., Bossoms Mesa, A., López Herráez, D., Nickel, B., Nagel, S., Richter, J., Essel, E., Gansauge, M., Schmidt, A., Korlević, P., Comeskey, D., Derevianko, A.P., Kharevich, A., Markin, S.V., Talamo, S., Douka, K., Krajcarz, M.T., Roberts, R.G., Higham, T., Viola, B., Krivoshapkin, A.I., Kolobova, K.A., Kelso, J., Meyer, M., Pääbo, S., Peter, B.M., 2022. Genetic insights into the social organization of Neanderthals. Nature 610, 519-525.
Abstract
Genomic analyses of Neanderthals have previously provided insights into their population history and relationship to modern humans1,2,3,4,5,6,7,8, but the social organization of Neanderthal communities remains poorly understood. Here we present genetic data for 13 Neanderthals from two Middle Palaeolithic sites in the Altai Mountains of southern Siberia: 11 from Chagyrskaya Cave9,10 and 2 from Okladnikov Cave11—making this one of the largest genetic studies of a Neanderthal population to date. We used hybridization capture to obtain genome-wide nuclear data, as well as mitochondrial and Y-chromosome sequences. Some Chagyrskaya individuals were closely related, including a father–daughter pair and a pair of second-degree relatives, indicating that at least some of the individuals lived at the same time. Up to one-third of these individuals’ genomes had long segments of homozygosity, suggesting that the Chagyrskaya Neanderthals were part of a small community. In addition, the Y-chromosome diversity is an order of magnitude lower than the mitochondrial diversity, a pattern that we found is best explained by female migration between communities. Thus, the genetic data presented here provide a detailed documentation of the social organization of an isolated Neanderthal community at the easternmost extent of their known range.