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Scandinavians Are Descended From Stone Age Immigrants, Ancient DNA Reveals

Date:
September 25, 2009
Source:
Uppsala University
Summary:
Today's Scandinavians are not descended from the people who came to Scandinavia at the conclusion of the last ice age but, apparently, from a population that arrived later, concurrently with the introduction of agriculture. This is one conclusion of a new study straddling the borderline between genetics and archaeology.

New research suggests that modern Scandinavians are not descended from the people who came to Scandinavia at the conclusion of the last ice age but, apparently, from a population that arrived later, concurrently with the introduction of agriculture.
Credit: iStockphoto/Jean Assell

Today's Scandinavians are not descended from the people who came to Scandinavia at the conclusion of the last ice age but, apparently, from a population that arrived later, concurrently with the introduction of agriculture. This is one conclusion of a new study straddling the borderline between genetics and archaeology, which involved Swedish researchers and which has now been published in the journal Current Biology.

"The hunter-gatherers who inhabited Scandinavia more than 4,000 years ago had a different gene pool than ours," explains Anders Götherström of the Department of Evolutionary Biology at Uppsala University, who headed the project together with Eske Willerslev of the Centre for GeoGenetics at the University of Copenhagen.

The study, a collaboration among research groups in Sweden, Denmark and the UK, involved using DNA from Stone Age remains to investigate whether the practices of cultivating crops and keeping livestock were spread by immigrants or represented innovations on the part of hunter-gatherers.

"Obtaining reliable results from DNA from such ancient human remains involves very complicated work," says Helena Malmström of the Department of Evolutionary Biology at Uppsala University.

She carried out the initial DNA sequencings of Stone Age material three years ago. Significant time was then required for researchers to confirm that the material really was thousands of years old.

"This is a classic issue within archaeology," says Petra Molnar at the Osteoarchaeological Research Laboratory at Stockholm University. "Our findings show that today's Scandinavians are not the direct descendants of the hunter-gatherers who lived in the region during the Stone Age. This entails the conclusion that some form of migration to Scandinavia took place, probably at the onset of the agricultural Stone Age. The extent of this migration is as of yet impossible to determine."


Story Source:

The above story is based on materials provided by Uppsala University. Note: Materials may be edited for content and length.


Journal Reference:

  1. Helena Malmström, M.Thomas P. Gilbert, Mark G. Thomas, Mikael Brandström, Jan Storå, Petra Molnar, Pernille K. Andersen, Christian Bendixen, Gunilla Holmlund, Anders Götherström, and Eske Willerslev. Ancient DNA Reveals Lack of Continuity between Neolithic Hunter-Gatherers and Contemporary Scandinavians. Current Biology, 2009; DOI: 10.1016/j.cub.2009.09.017

Cite This Page:

Uppsala University. "Scandinavians Are Descended From Stone Age Immigrants, Ancient DNA Reveals." ScienceDaily. ScienceDaily, 25 September 2009. <www.sciencedaily.com/releases/2009/09/090924141049.htm>.
Uppsala University. (2009, September 25). Scandinavians Are Descended From Stone Age Immigrants, Ancient DNA Reveals. ScienceDaily. Retrieved August 22, 2014 from www.sciencedaily.com/releases/2009/09/090924141049.htm
Uppsala University. "Scandinavians Are Descended From Stone Age Immigrants, Ancient DNA Reveals." ScienceDaily. www.sciencedaily.com/releases/2009/09/090924141049.htm (accessed August 22, 2014).

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