Sentences with phrase «ancient genetic data»
The ancient genetic data generated by the team have now resolved some of the outstanding questions.
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«The ancient genetic data show that only the late arrival in Patagonia of a population of guanacos from the north saved the species, all other populations became extinct,» says lead author Dr Jessica Metcalf, from the University of Colorado Boulder.
Not exact matches
Genetic data confirm that ancient Aborigines and Eurasians left Africa in one single, great wave
They studied genetic data from 1,983 living individuals across Africa, Europe, Asia, Oceania, and the Americas and concluded that Neanderthals or another ancient hominid group must have interbred with our ancestors at least once, in the eastern Mediterranean, soon after humans migrated out of Africa.
Genetic data from ancient Scythian horses indicates that more than 2,000 years of domestication caused changes in horse genes related to mammary gland development and milk production.
Unfortunately, long - standing tensions between US tribes and scientists mean there is no significant genetic data available from these peoples (see Leader, «An ancient genome alone can't heal long - standing rifts «-RRB-.
He is working at the other end of the analysis pipeline, developing methods to extract meaning from the increasing amount of genetic data, ancient and modern, that his wet lab colleagues are generating.
The researchers were also able to fit the genomic data of modern and ancient humans into a simplified genetic model to reconstruct the deep population history of modern humans outside Africa in the last 50,000 years.
«Only more genetic data from ancient human remains will allow us to disentagle our pre-historic past.»
The genetic data, combined with updated morphological study of some of the oldest ancient canid remains, could strengthen the dual origin theory proposed in June — or it could build a case for even more origin events.
An international team of scientists, led by researchers from the University of Tuebingen and the Max Planck Institute for the Science of Human History in Jena, successfully recovered and analyzed ancient DNA from Egyptian mummies dating from approximately 1400 BCE to 400 CE, including the first genome - wide nuclear data from three individuals, establishing ancient Egyptian mummies as a reliable source for genetic material to study the ancient past.
Analyzing this wealth of data required overcoming the formidable bioinformatics challenge of sorting and identifying millions of genetic sequences like puzzle pieces in order to reconstruct the complex biology of the ancient oral microbiome.
«It is clearly great that [genetic] data has become available» from these ancient groups, says Marie - France Deguilloux, a paleogeneticist from the University of Bordeaux in France, who adds that having such DNA sequences is «crucial» to tracing the spread of farming to Europe.
A consortium led by Greger Larson of the University of Oxford is now doing just that, comparing genetic and morphological data from hundreds of ancient dogs and wolves.
But some researchers aren't convinced and say the genetic data aren't strong enough to connect ancient people known by their DNA to any particular language.
Putting together the genetic data on the ancient and modern samples, namely those already present in the literature and those analysed in this study, researchers have now proposed the following scenario to explain the Iceman's genetic history: Ötzi's paternal lineage, G2a, is part of an ancient genetic substrate that arrived in Europe from the Near East with the migrations of the first Neolithic peoples some 8,000 years ago.
The authors compared these ancient DNA sequences to genetic data from diverse modern humans, including four Sherpa and two Tibetans from Nepal.
A Model - Based Approach for Identifying Signatures of Ancient Balancing Selection in Genetic Data.
A Model - Based Approach for Identifying Signatures of Ancient Balancing Selection in Genetic Data DeGiorgio, M., K. E. Lohmueller, and R. Nielsen.
On the one hand, the power of rare genetic variants clearly shows the value in whole - genome sequencing of ancient DNA: While SNP capture technology provides a far more economical way to obtain genome - wide data from ancient DNA (ref.
In this study, we investigate the pre-whaling genetic diversity, population dynamics and feeding ecology of the eastern Pacific gray whale using ancient and modern DNA sequences and stable isotope data.