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By Kelly MacnamaraAgence France-Presse PARIS — Teeth from mammoths buried in the Siberian permafrost for more than a million years have yielded the world's oldest DNA ever sequenced, according to a recently published study, shining the genetic searchlight into the deep past. Researchers said the three specimens, one roughly 800,000 years old and two over a million years old,
Close A mammoth tooth discovered from the Siberian permafrost results in the oldest DNA yet uncovered and gives insight into the evolution of the massive beasts. Genetic substance removed from a 1.2-million-year-old mammoth tooth is the recent record holder for the world's most ancient DNA. Scientists from Sweden, in the Centre for Palaeogenetics, have examined the DNA and decided that it arrived from an earlier unknown kind of mammoth that has now been named the Krestovka mammoth. (Photo : Magda Ehlers) The Columbian Mammoths The Krestovka mammoth is dubbed after the region of Russia in wh...
T he wooly mammoth ( Mammuthus primigenius) is an iconic animal, like the saber tooth tiger or dire wolf, from a time in human history when our position at the top of the global food chain was decidedly not assured (and being something's prey was not limited to just other humans). Perhaps this is a reason that resurrection of mammoths using Jurassic Park-like technology has some currency and appeal ( but see How to Clone a Mammoth for reasons why this may not be such a good idea). Perhaps paradoxically, the mammoth arose in Africa 5 million years ago and like its (very) distant
The First Example of Hybrid Speciation in Ancient DNA The new study has also amplified the ability for researchers to track the evolutionary process of speciation – the formation of new and distinct species. A Nature press release states that this process generally occurs “over time periods that are thought to be beyond the limits of DNA research.” A tusk from a woolly mammoth discovered in a creek bed on Wrangel Island in 2017. (Credit: Love Dalén) Nonetheless, the scientists’ study of the mammoth DNA suggests that there was not one, but two different lineages of mammoth alive d...
Scientists sequenced DNA from the teeth of mammoths discovered in Siberia in the 1970s.