Quantcast

Latest Ancient DNA Stories

sciencepress-082411-001
2011-08-24 11:21:58

  An international team of researchers has used ancient DNA to produce compelling evidence that the lack of genetic diversity in modern stallions is the result of the domestication process. The team, which was led by Professor Michi Hofreiter from the University of York, UK, has carried out the first study on Y chromosomal DNA sequences from extinct ancient wild horses and found an abundance of diversity. The results, which are published in Nature Communications, suggest the...

2011-06-28 12:41:44

Student publishes case for faster, less expensive DNA analysis A Washington State University student's undergraduate research is challenging a widely held assumption on the best way to analyze old DNA in anthropological and forensic investigations. Sarah "Misa" Runnells' claim is weighty enough to be published this week in the peer-reviewed, online journal PLoS ONE. At issue is the best way to sequence "ancient" DNA, bits of genetic code pulled from remains up to 800,000 years old. Such...

3b206239a5532b49bbfead85be1a968c
2011-05-31 11:55:00

Researchers said that the woolly mammoth may have mated with a much larger elephant species. Woolly mammoths roamed the planet for over a million years, ranging from Europe to Asia to North America.  Nearly all these mammals vanished from Siberia about 10,000 years ago, although dwarf mammoths survived until 3,700 years ago. Although woolly mammoths lived in the cold of the tundra, the Columbia mammoth preferred the more temperate regions of southern and central North America. "We are...

9d0f124a6403b9fd357b6a9d76160fc61
2010-11-10 09:15:00

A team of international researchers led by ancient DNA experts from the University of Adelaide has resolved the longstanding issue of the origins of the people who introduced farming to Europe some 8000 years ago. A detailed genetic study of one of the first farming communities in Europe, from central Germany, reveals marked similarities with populations living in the Ancient Near East (modern-day Turkey, Iraq and other countries) rather than those from Europe. Project leader Professor Alan...

f66fcc836c42d1f3f7075ef3e3ee8278
2010-03-10 11:28:34

Could extinct birds, including the massive elephant birds that were once native to Madagascar, be resurrected using DNA extracted from fossilized egg shells? Not necessarily, say the researchers who have successfully done just that. But it does give paleontologists a new way to explore ancient creatures that no longer roam the Earth. The international research team, which was led by Dr. Michael Bunce of Murdoch University in Perth, Australia, announced on Wednesday that they had successfully...

66e03bf3e29174949aa2386334048d9a
2010-03-01 15:46:28

Researchers sequence the oldest ancient genome to date from a mammal A rare, ancient polar bear fossil discovered in Norway in 2004 is yielding a treasure trove of essential information about the age and evolutionary origins of the species whose future is now seen as synonymous with the devastation wrought by climate change. A paper published in the current issue of the Proceedings of the National Academy of Sciences by researchers at Penn State University, the University at Buffalo, the...

3cbb38df646ff547ccc57a4087a46308
2010-01-01 08:26:18

DNA that is left in the remains of long-dead plants, animals, or humans allows a direct look into the history of evolution. So far, studies of this kind on ancestral members of our own species have been hampered by scientists' inability to distinguish the ancient DNA from modern-day human DNA contamination. Now, research by Svante Pääbo from The Max-Planck Institute for Evolutionary Anthropology in Leipzig, published online on December 31st in Current Biology "” a Cell Press...

64996bff50ccce6cbf76a544f6e15ab51
2009-12-15 08:50:00

Woolly mammoths and prehistoric horses grazed on the North American plains for several thousand years longer than hitherto assumed This is shown by samples of ancient DNA, analyzed by an international team of research scientists under the leadership of Professor Eske Willerslev from Copenhagen University. Analyses of ancient DNA thereby once again revoke results of more common methods of dating, such as carbon 14 analysis of bone and tooth remains from extinct animals. These methods which had...

2009-12-15 08:48:45

University of Alberta researchers are part of an international team that has used DNA samples from frozen dirt, not fossilized bones, to revise the history of North America's woolly mammoths and ancient horses. The work of U of A Earth and Atmospheric Sciences professor Duane Froese and his colleagues counters an important extinction theory, based on radiocarbon dating of bones and teeth. That analysis concluded that more than half of the large mammals in North America (the 'megafauna')...

799983fe64b71d4577c9c1eaf12bf8bc
2009-12-10 12:32:22

Ancient DNA retrieved from extinct horse species from around the world has challenged one of the textbook examples of evolution - the fossil record of the horse family Equidae over the past 55 million years. The study, published today in the Proceedings of the National Academy of Sciences, involved an international team of researchers and the Australian Centre for Ancient DNA (ACAD) based at the University of Adelaide. Only the modern horse, zebras, wild asses and donkey survive today, but...


Word of the Day
holluschickie
  • A 'bachelor seal'; a young male seal which is prevented from mating by its herd's older males (mated bulls defending their territory).
This comes from the Russian word for 'bachelors.'
Related