Europe's last hunter-gatherers were more diverse than thought, DNA evidence suggests





There is some relatively new evidence to suggest that the genetic ancestry of Europe's hunter-gatherers is more complex than previously thought.  These are the people who lived in Europe many thousands of years ago during the Ice Ages.

A scientific article:

Current Biology, Villalba-Mouco et al.: "Survival of Late Pleistocene Hunter-gatherer ancestry in the Iberian Peninsula" https://www.cell.com/current-biology/fulltext/S0960-9822(19)30145-9 , DOI: 10.1016/j.cub.2019.02.006

in Current Biology March 14, 2019, shows new evidence that suggests that the hunter-gatherers mixed more between themselves than previously thought, especially near the Iberian Peninsula.

This article from phys.org goes on to explain:

https://phys.org/news/2019-03-europe-hunter-gatherers-diverse-thought-dna.html

(Snip)

"We can confirm the survival of an additional Paleolithic lineage that dates back to the Late Ice Age in Iberia," says Wolfgang Haak of the Max Planck Institute for the Science of Human History. "This confirms the role of the Iberian Peninsula as a refuge during the Last Glacial Maximum, not only for fauna and flora but also for ."
Earlier evidence has shown that western and central Europe were dominated by  associated with an ~14,000-year-old individual from Villabruna, Italy. That ancestry had largely replaced earlier ancestry more closely represented by 19,000-15,000-year-old individuals associated with what's known as the Magdalenian cultural complex.
But little was known about the  in southern European refugia, including the Iberian Peninsula.
(Snip)
The evidence shows that those individuals, including the oldest ~19,000-year-old previously published individual from El Mirón, carry dual ancestry from both Villabruna and the Magdalenian-related individuals. The discovery suggests an early connection between two potential refugia, they report, resulting in a genetic ancestry that survived in later Iberian hunter-gatherers.
"The hunter-gatherers from the Iberian Peninsula carry a mix of two older types of genetic ancestry: one that dates back to the Last Glacial Maximum and was once maximized in individuals attributed to Magdalenian culture and another one that is found everywhere in western and central Europe and had replaced the Magdalenian lineage during the Early Holocene, with the exception of the Iberian Peninsula," Haak says.
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The article goes on to say that it was somewhat incredible from an archeological standpoint, since the archeological evidence showed that there were distinct cultural changes. Also, apparently there was mixing with the early European Farmers who moved in from the Middle East, apparently in the Iberian peninsula as well.  The team will continue to investigate, and try to unravel more of the ancient human past. 

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