Sentences with phrase «more ancient genomes»

«There is some uncertainty in the dates of the migration and the divergence between the norther and southern Amerindian populations,» Song noted, «but as we get more ancient genomes sequenced, we will be able to put more precise dates on the times of migration.»

Not exact matches

As researchers recently sequenced the genomes of more than a dozen ancient members of our species, Homo sapiens, in Europe and Asia in rapid succession, they added a third genetic component: a «ghost» lineage of nomads who blew into northeast Europe from the steppes of western Asia 4000 to 5000 years ago.
In the last eight years, the field of ancient DNA research has expanded from just one ancient human genome to more than 1,300.
His team found the ancient African variants when they scrutinized the genomes of more than 20,000 people in the 1000 Genomes Project and Vanderbilt's BioVU data bank of electronic health rgenomes of more than 20,000 people in the 1000 Genomes Project and Vanderbilt's BioVU data bank of electronic health rGenomes Project and Vanderbilt's BioVU data bank of electronic health records.
Dinosaurs resurrected using preserved DNA still only exist in Jurassic Park, but we're making great strides in sequencing the genomes of more recent, but still ancient, creatures.
The authors summarized work that investigated the genomes of more than 20 ancients in the Eurasian family tree, including the 45,000 - year - old Ust» - Ishim individual from Central Siberia, for their paper.
The study adds to a catalog of ancient genomes, including mtDNA as well as the much larger nuclear genomes, from more than a dozen Neandertals.
At first, a separate set of strands attached to another, more ancient anchor point in the genome as well.
They reconstructed and analyzed the genomes of 15 ancient samples of maize, comparing these data to a global collection of more than 2,500 modern lines.
And sequencing his nuclear genome — the genetic information inherited from both parents — and that of other ancient specimens could give a more complex picture of the way groups mixed with one another.
Working at the Garvan Institute in Sydney, Australia, she wants to combine this work with more sequencing of ancient and contemporary genomes, to find the basis of genetic diseases and disease susceptibility.
«All the questions we have about ancient evolutionary events — what our last common ancestor looked like, when methane metabolism arose, when oxygen - producing organisms evolved — they really benefit from having more genomes to look at and a more detailed tree,» says Parks.
Using ancient and modern genome - wide data, we find that the ancestors of all present - day Native Americans, including Athabascans and Amerindians, entered the Americas as a single migration wave from Siberia no earlier than 23 thousand years ago (KYA), and after no more than 8,000 - year isolation period in Beringia.
A new study uses ancient DNA to suggest that a massive migration of herders from the east shaped the genomes of most living Europeans — and that these immigrants may have been the source of Proto - Indo - European (PIE), the mysterious ancestral tongue from which the more than 400 Indo - European languages sprang.
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.
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