Ancient DNA

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DNA derived from plants and animals that have been dead for a prolonged period of time, usually more than 100 years
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The classes are "Understanding Genetics, the Newest Gene Editing Techniques, and the Science of Ancient DNA," Frances Oros, instructor; "How We Know What We Know: The Science behind Modern Archaeology," Brian Butler, instructor; "The Short Stories of Edith Pearlman," Beth Lorman, instructor; "Play Reading and Analysis: 4 More Plays by Agatha Christie," Christian Moe, instructor; and "The Instruments of the Orchestra" taught by members of the SIU School of Music faculty.
The discovery marks a number of firsts: it represents the oldest record of an ancient DNA sequence for a gastrointestinal nematode parasite of wild mammals, the oldest molecular parasite record worldwide, and also a new maximum age for the recovery of old DNA of this origin.
In recent years, scientists have created similar chronologies for entire continents, based on hundreds of samples of ancient DNA. Now researchers are starting to narrow their focus to smaller regions.
Contributors in archaeology, historical linguistics, and archaeogenetics (the sequencing of ancient DNA) shed light on the origins of the Celts and the Celtic language family in the Bronze Age and Beaker Period.
Says Pontus Skoglund, a geneticist at The Francis Crick Institute in London: "It's one of the holy grails of ancient DNA to collect good data from Egyptian mummies."
"Our study confirms the convergent evolution of the two, tree dwelling modern sloths from two distinct lineages of extinct giant ground sloths," said Hendrik Poinar, lead author of the study and director of McMaster University's Ancient DNA Centre and principal investigator at the Michael G DeGroote Institute for Infectious Disease Research.
The Museum's Ancient DNA Lab drilled a 2mm hole in this bone and got Cheddar Man's entire DNA from a few milligrams of bone powder.Prof Mark Thomas and Dr Yoan Diekmann at University College London analysed the sequences generated at the Museum to establish what he looked like.
The Museum's Ancient DNA Lab drilled a 2mm hole in this bone and got his entire DNA from a few milligrams of bone powder.
As part of a project commissioned by Britain's Channel 4 television station for a documentary, experts from the Natural History Museum's ancient DNA lab drilled a tiny hole into the skull in order to extract genetic information.
And the debate has gone on since, till this week, that is, when ancient DNA analysis settled the matter for good.
Theoretically, a technique like this could help researchers create 'virtual ancient DNA,' which would allow scientists to recreate the DNA of historical figures.