For the ancient DNA analysis, the team used methods pioneered
by paleogeneticist Eske Willerslev of the University of Copenhagen to recover and sequence genetic material left behind in sediments even after the plants that originally contained it have disintegrated.
A team led
by paleogeneticist Morten Rasmussen of the University of Copenhagen reports the findings online June 18 in Nature.
But whoever these people were, their descendants successfully spread far and wide, for their genes show up not only in Europeans but also in Native Americans, according to a talk
by paleogeneticist Johannes Krause of the University of Tübingen in Germany, who spoke at a biomolecular archaeology meeting last week.
Not exact matches
In the first genome - wide study of an ancient East Asian, researchers led
by Qiaomei Fu, a
paleogeneticist at the Chinese Academy of Sciences in Beijing, extracted DNA from the thighbone of the Tianyuan Man — so named because he was found in Tianyuan Cave, 56 kilometers southwest of Beijing.
Researchers sequenced nuclear DNA from three molars from layer 11 and a child's molar from a deeper layer, 22, according to a talk
by graduate student Viviane Slon, who works in the lab of
paleogeneticist Svante Pääbo at the Max Planck Institute for Evolutionary Anthropology.