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Träfflista för sökning "WFRF:(Jakobsson Mattias) ;pers:(Raghavan Maanasa);lar1:(ki)"

Search: WFRF:(Jakobsson Mattias) > Raghavan Maanasa > Karolinska Institutet

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1.
  • Skoglund, Pontus, et al. (author)
  • Genomic Diversity and Admixture Differs for Stone-Age Scandinavian Foragers and Farmers
  • 2014
  • In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 344:6185, s. 747-750
  • Journal article (peer-reviewed)abstract
    • Prehistoric population structure associated with the transition to an agricultural lifestyle in Europe remains a contentious idea. Population-genomic data from 11 Scandinavian Stone Age human remains suggest that hunter-gatherers had lower genetic diversity than that of farmers. Despite their close geographical proximity, the genetic differentiation between the two Stone Age groups was greater than that observed among extant European populations. Additionally, the Scandinavian Neolithic farmers exhibited a greater degree of hunter-gatherer–related admixture than that of the Tyrolean Iceman, who also originated from a farming context. In contrast, Scandinavian hunter-gatherers displayed no significant evidence of introgression from farmers. Our findings suggest that Stone Age foraging groups were historically in low numbers, likely owing to oscillating living conditions or restricted carrying capacity, and that they were partially incorporated into expanding farming groups.
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2.
  • Skoglund, Pontus, et al. (author)
  • Origins and Genetic Legacy of Neolithic Farmers and Hunter-Gatherers in Europe
  • 2012
  • In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 336:6080, s. 466-469
  • Journal article (peer-reviewed)abstract
    • The farming way of life originated in the Near East some 11,000 years ago and had reached most of the European continent 5000 years later. However, the impact of the agricultural revolution on demography and patterns of genomic variation in Europe remains unknown. We obtained 249 million base pairs of genomic DNA from similar to 5000-year-old remains of three hunter-gatherers and one farmer excavated in Scandinavia and find that the farmer is genetically most similar to extant southern Europeans, contrasting sharply to the hunter-gatherers, whose distinct genetic signature is most similar to that of extant northern Europeans. Our results suggest that migration from southern Europe catalyzed the spread of agriculture and that admixture in the wake of this expansion eventually shaped the genomic landscape of modern-day Europe.
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