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Träfflista för sökning "WFRF:(Metspalu Mait) ;pers:(Brunak Søren)"

Sökning: WFRF:(Metspalu Mait) > Brunak Søren

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1.
  • Rasmussen, Morten, et al. (författare)
  • Ancient human genome sequence of an extinct Palaeo-Eskimo
  • 2010
  • Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 463:7282, s. 757-762
  • Tidskriftsartikel (refereegranskat)abstract
    • We report here the genome sequence of an ancient human. Obtained from ∼4,000-year-old permafrost-preserved hair, the genome represents a male individual from the first known culture to settle in Greenland. Sequenced to an average depth of 20×, we recover 79% of the diploid genome, an amount close to the practical limit of current sequencing technologies. We identify 353,151 high-confidence single-nucleotide polymorphisms (SNPs), of which 6.8% have not been reported previously. We estimate raw read contamination to be no higher than 0.8%. We use functional SNP assessment to assign possible phenotypic characteristics of the individual that belonged to a culture whose location has yielded only trace human remains. We compare the high-confidence SNPs to those of contemporary populations to find the populations most closely related to the individual. This provides evidence for a migration from Siberia into the New World some 5,500 years ago, independent of that giving rise to the modern Native Americans and Inuit.
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2.
  • Rasmussen, Simon, et al. (författare)
  • Early Divergent Strains of Yersinia pestis in Eurasia 5,000 Years Ago
  • 2015
  • Ingår i: Cell. - : Elsevier. - 0092-8674. ; 163:3, s. 571-582
  • Tidskriftsartikel (refereegranskat)abstract
    • The bacteria Yersinia pestis is the etiological agent of plague and has caused human pandemics with millions of deaths in historic times. How and when it originated remains contentious. Here, we report the oldest direct evidence of Yersinia pestis identified by ancient DNA in human teeth from Asia and Europe dating from 2,800 to 5,000 years ago. By sequencing the genomes, we find that these ancient plague strains are basal to all known Yersinia pestis. We find the origins of the Yersinia pestis lineage to be at least two times older than previous estimates. We also identify a temporal sequence of genetic changes that lead to increased virulence and the emergence of the bubonic plague. Our results show that plague infection was endemic in the human populations of Eurasia at least 3,000 years before any historical recordings of pandemics.
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