ancient DNA


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ancient DNA

[¦ān·chənt ¦dē¦en′ā]
(anthropology)
Deoxyribonucleic acid that has been copied and sequenced from individuals representing extinct populations or species. Abbreviated aDNA.
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References in periodicals archive ?
Shannon agrees that ancient DNA could provide more insight into where dogs became domesticated.
However, ancient DNA extracted from bones of two elephant birds held by the Museum of New Zealand, Te Papa Tongarewa, has revealed a close genetic connection with the kiwi, despite the striking differences in geography, morphology and ecology between the two.
Neanderthal Man: In Search of Lost Genomes recounts the author's work in the field of ancient DNA, describes how he arranged the first successful effort to sequence the entire Neanderthal genome, and offers some starting revelations about the process and its newfound implications for mankind's origins.
An international team, led by the University of Adelaide's Centre for Ancient DNA (ACAD), along with the University of Aberdeen and the Sanger Institute at Cambridge, published the results in Nature Genetics.
This is changing now, and old concepts of the large migrations are back in vogue, supported by research in genetics, the elucidation of ancient DNA and new archeological discoveries.
Lead researcher Dr Greger Larson, a reader and ancient DNA expert in the Department of Archaeology at Durham University, said: "It is remarkable that despite the fact we have a good feel for the times and places of when cows, sheep, goats, and pigs were domesticated, we still don't have the first clue about dogs.
His team at McMaster Ancient DNA Centre in Hamilton, Canada, used samples of human remains from plague pits in East Smithfield cemetery in London.
Her research covers ancient DNA methods applied to ancient human remains, such as bones and teeth, which can reveal details of social conditions and roles, gender, patterns of kinship and even disease.
We also developed a highly sensitive method to detect ancient DNA by utilizing whole genome amplification,'' the team said in its article in the magazine.
The analysis of ancient DNA is now so advanced that a hair sample just 3 cm (a little more than an inch) long was enough to confirm the identity of the partially mummified remains as the first recorded steppe bison to be found in the Mackenzie River Valley.
Scientists used prehistoric feathers to help map the colour of giant extinct birds and say they can reconstruct the appearance of other extinct species - they retrieved ancient DNA of four species of New Zealand's extinct Moa from feathers found in caves and rock shelters and believed to be at least 2,500 years old.
It is generally known among archaeologists that ancient DNA can be obtained from macrofossil remains such as bones and teeth.

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