Navigation Links
'Iceman' Mummy Has No Modern Kin
Date:10/30/2008

Though first discovered in the Alps, DNA study finds no genetic link to modern Europeans

THURSDAY, Oct. 30 (HealthDay News) -- Sparking a new mystery about early man, Italian scientists have unraveled the DNA of the 5,300-year-old "Iceman" mummy, only to discover that he doesn't appear to have modern descendants anywhere near where he was found in Europe.

The findings add to evidence that humans were constantly going from place to place, even fairly recently in terms of human development, said Jeffrey T. Laitman, director of anatomy and functional morphology at Mount Sinai School of Medicine, in New York City. This is in contrast to theories that suggest humans remained in one place for thousands of years.

"We seem to be a traveling tribe. That's what's coming out from this," said Laitman. "Even our closest ancestors are moving around a bit."

The mummy of the Iceman -- also known as "Oetzi" -- has fascinated scientists since it was discovered in the Alps in 1991, still frozen in the ice of a glacier. The mummy is remarkably well-preserved: Scientists now know that he was killed -- by an arrow in his back followed by a blow with a spiked club to the face -- and they suspect he was about 40.

In 2003, researchers reported that the mummy also appeared to have suffered from heart disease, arthritis, degenerative disc disease and a bit of frostbite. Scientists estimate he lived 5,100-5,300 years ago during what's called the Neolithic-Copper Age.

In the new study, Italian researchers sequenced the mummy's mitochondrial DNA, which is transmitted from mother to child, after taking samples from its intestine. Then they compared the DNA to that from modern Europeans.

The findings were published in the Oct. 30 online issue of Current Biology.

The scientists found that the mummy's DNA doesn't match the DNA of modern Europeans. This suggests that while men and women shared the Iceman's genetic heritage at some point in the past, they don't have descendants in Europe now.

"Apparently, this genetic group is no longer present," study co-author Franco Rollo, a researcher at Italy's University of Camerino, said in a university news release. "We don't know whether it is extinct or it has become extremely rare."

The researchers report that the mummy is the oldest human to have had his or her mitochondrial DNA decoded.

"What you're looking at really is a little museum of our prehistoric genome," Laitman said. "This is a really great and unique opportunity to look back into the past and see things on a very fine-tuned level that we cannot see just from the bones."

While the study authors don't know for sure why the Iceman's genetic profile has disappeared in Europe, Laitman suspects that human travel is responsible. "We like to move around a lot," he said, and "that has great implications for our understanding of the broader contents of human evolution."

He added that it's important to look at the Iceman in the context of his time, which isn't that far in the past when it comes to human evolution.

"They had great societies, communications and the exchange of ideas, all the stuff we have," he said, "except they didn't have writing and the materials that we know."

More information

Learn about the Iceman's last meal from PBS.



SOURCE: Jeffrey T. Laitman, Ph.D., director, anatomy and functional morphology, Mount Sinai School of Medicine, New York City; Oct. 30, 2008, Current Biology


'/>"/>
Copyright©2008 ScoutNews,LLC.
All rights reserved

Related medicine news :

1. Phyhealth Appoints Gerald H. Priceman as Medical Director
2. Philadelphia Policeman Helps Amputee Receive Power Wheelchair from The Scooter Store
3. Conceive Magazine Introduces a Special Issue: The Birds, The Bees, and Modern Medicine
4. Blue Cross and Blue Shield Association Recognized by BusinessWeek, Modern Healthcare and AARP as a Top Workplace
5. ModernMed Announces Partnership With Dr. Neil J. Sapin, M.D.
6. Medicare Modernization Act not associated with major changes in access to chemotherapy
7. 2020 Commission Supports Modernization Plans at Three Monroe County Hospitals, With 140 Additional Beds
8. Modern Healthcare Names Marshall Erdman Nations Top Design-Build Company
9. Modern matron struggling to fulfil role as leader
10. Founding Father of Modern Cosmetic Dermatology Seeks to Warn Public of Misrepresented Data and Inappropriate Use of Botox
11. Health Care Districts Board Chair Nationally Recognized as a Modern Healthcare Trustee of the Year
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/26/2017)... ... April 26, 2017 , ... CareSet Labs today is releasing ... measured in Part D Medicare data. The dataset, called PaPR (Providers and Prescribing ... faxes or paper. The PaPR (pronounced "paper") data set aggregates this information ...
(Date:4/26/2017)... ... ... Miami native and local periodontist Dr. John Paul Gallardo is celebrating ... 1991 that this journey would have taken me into so many learning experiences both ... has pioneered implant dentistry innovation, evolving into an internationally recognized leader in the industry. ...
(Date:4/26/2017)... ... April 26, 2017 , ... MYOLYN, ... to announce that it has received 510(k) clearance from the U.S. Food & ... the MyoCycle Pro. , Both devices are stationary cycling systems that use MYOLYN’s ...
(Date:4/25/2017)... ... 25, 2017 , ... A stressful work environment can hurt the physical and ... and performance in the workplace. The goal of Clearview Resolution Services has always been ... April, Clearview Resolution Services will be shutting down the office early on Fridays. The ...
(Date:4/25/2017)... Vegas, NV (PRWEB) , ... April 25, 2017 ... ... can now choose a modern procedure that achieves results in a fraction of ... in Las Vegas, NV, with Significance Dental Specialists, now offers this revolutionary ...
Breaking Medicine News(10 mins):
(Date:4/19/2017)... April 19, 2017 The Global Effective ... to 2022 report has covered and analysed the potential of ... on market size, shares and growth factors. The report identifies ... and opportunities in the global market. ... Browse 152 Tables and Figures, 6 Major Company ...
(Date:4/19/2017)... THOUSAND OAKS, Calif. , April 19, 2017 ... premium industrial buildings it is developing at Conejo ... California , to Atara Biotherapeutics, Inc. ... patients with severe and life-threatening diseases that have ... focus on allogeneic T-cell therapies for cancer, autoimmune ...
(Date:4/18/2017)... , April 18, 2017  Astute Medical, Inc., developer ... series to be presented at the 2017 National Kidney ... today and continues through April 22. Physicians will present ... used to assess risk for acute kidney injury (AKI) ... failure (ADHF). Elevated levels of TIMP-2 ...
Breaking Medicine Technology: