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ABSTRACT:
PROVIDER: PRJEB69690 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Affymetrix single nucleotide polymorphism (SNP) array data were collected to study genome-wide patterns of genomic variation across a broad geographical range of Island Southeast Asian populations. This region has experienced an extremely complex admixture history. Initially settled ~50,000 years ago, Island Southeast Asia has since been the recipient of multiple waves of population movements, most recently by Austronesian-speaking groups ultimately from Neolithic mainland Asia and later arrivals during the historic era from India and the Middle East. We have genotyped SNPs in ~500 individuals from 30 populations spanning this entire geographical region, from communities close to mainland Asia through to New Guinea. Particular attention has been paid to genomic data that are informative for population history, including the role of recent arrivals during the historic era and admixture with archaic hominins.
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Project description:The deadly maltreated body of Vittrup Man was deposited in a Danish bog, probably as part of a ritualised sacrifice. It happened between c. 3300 and 3100 cal years BC, i.e., during the period of the local farming-based Funnel Beaker Culture. In terms of skull morphological features he differs from the majority of the contemporaneous farmers found in Denmark, and associates with hunter-gatherers, who inhabited Scandinavia during the previous millennia. His skeletal remains were selected for transdisciplinary analysis to reveal his life-history in terms of a population historical perspective. We report the combined results of an integrated set of genetic, isotopic, physical anthropological and archaeological analytical approaches. Strontium signature suggests a foreign birthplace that could be in Norway or Sweden. In addition, enamel oxygen isotope values indicate that as a child he lived in a colder climate, i.e., to the north of the regions inhabited by farmers. Genomic data in fact demonstrates that he is closely related to Mesolithic humans known from Norway and Sweden. Moreover, dietary stable isotope analyses on enamel and bone collagen demonstrate a fisher-hunter way of life in his childhood and a diet typical of farmers later on. Such a volatile life-history is also reflected by proteomic analysis of hardened organic deposits on his teeth, indicating the consumption of forager food (seal, whale and marine fish) as well as farmer food (sheep/goat). From a dietary isotopic transect of one of his teeth it is shown that his transfer between societies of foragers and farmers took place near to the end of his late teenage years.
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Project description:Illumina single nucleotide polymorphism (SNP) array data were generated to study genome-wide patterns of genomic variation on Sumba and Timor, two small islands in eastern Indonesia. Both islands have a complex history from their initial settlement ~50,000 years ago, to admixture with Austronesian-speaking groups during the Neolithic farming expansion, and more recent intra-island gene flow and community interactions. As part of this detailed microgeographic study, we also collected associated cultural and linguistic information. The primary study location was Sumba, for which we genotyped SNPs in 235 individuals from eight communities that span the island, including groups that speak most of Sumba’s nine languages. Particular attention was paid to genomic data that are informative for recent aspects of population history, including reconstructions of past gene flow, socio-genetic interactions and possible signals of selection.
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