Navigation Links
DNA Find in Oregon Is Oldest Yet Discovered in Americas
Date:4/3/2008

Paisley Caves reveal genetic material in excrement linking New World to Siberia, East Asia

THURSDAY, April 3 (HealthDay News) -- The oldest human DNA ever found in the Americas appears to show genetic links to Siberia or East Asia, according to an international team of scientists.

The mitochondrial DNA (genetic material passed on maternally) was discovered in 14,300-year-old dried human excrement, called coprolites, recovered from the Paisley Caves in Oregon. The series of eight caves are located about 220 miles southeast of Eugene on the eastern side of the Cascade Ranges.

The previous earliest evidence (in the form of tools) of humans in the Americas is the Clovis culture. The Paisley coprolites predate that by about 1,200 years, the scientists said.

Some of the coprolite samples also contained DNA similar to red fox, coyote or wolf. This suggests that these early people ate the animals or that the animals urinated on the human feces.

"The Paisley Cave material represents, to the best of my knowledge, the oldest human DNA obtained from the Americas," Eske Willerslev, director of the Centre for Ancient Genetics at the University of Copenhagen in Denmark, said in a prepared statement.

DNA testing indicated the feces belonged to people in haplogroups A2 and B2, which are common in Siberia and East Asia. It's not known exactly who the people living in the caves were, said Dennis L. Jenkins, a senior archeologist with the University of Oregon's Museum of Natural and Cultural History.

"All we're doing in this paper is identifying the haplogroups. We are not saying that these people were of a particular ethnic group. At this point, we know they most likely came from Siberia or Eastern Asia, and we know something about what they were eating, which is something we can learn from coprolites. We're talking about human signature," Jenkins said in a prepared statement.

"If our DNA evidence and radiocarbon dating hold up on additional coprolites that are now undergoing testing at multiple labs, then we have broken the Clovis sound barrier, if you will," he said. "If you are looking for the first people in North America, you are going to have to step back more than 1,000 years beyond Clovis to find them."

The research was published online April 3 in Science Express.

More information

The U.S. National Library of Medicine has more about DNA.



-- Robert Preidt



SOURCE: University of Oregon, news release, April 3, 2008


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

Related medicine news :

1. Oregon study raises questions on synthetic progestins
2. Providence Health & Services - Oregon Region Powers Consumer Portal With Kryptiq Connect IQ
3. Oregon researchers discover a mechanism leading to cleft palate
4. Oregon researchers find trigger gene for muscle development
5. TriWest Contributes $30,000 to Oregon National Guard Fund
6. Tobacco Industry Puts Profits Before Kids in Defeating Oregon Ballot Initiative
7. Big Tobacco Spends Record $12 Million to Deceive Oregon Voters
8. New Report: Increasing Oregons Cigarette Tax Will Reduce Smoking, Save Lives and Save Money
9. The First Mega-Shelter Arrangement in Oregon Created for Major Disaster Response and Recovery
10. Details of Oregon Wine Regions First Luxury Inn, Spa Revealed at Groundbreaking Ceremony
11. Big Tobaccos Latest Dirty Trick: Deceiving Oregon Voters
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/21/2017)... ... July 21, 2017 , ... Hospital M&A activity slowed in the ... number of hospital acquisitions rose to 23 in the second quarter, up 15% from ... from the 20 announced deals in the year-ago second quarter. Only four of the ...
(Date:7/21/2017)... ... ... The House of Yahweh in Abilene, Texas, has written a new post this week that ... to be more open about positive changes. Yisrayl says the use of force is not ... positive way to solve all; yes, all issues, and he is ready to share this ...
(Date:7/21/2017)... ... July 21, 2017 , ... “Kids aren't born knowing ... tie their shoes,” says Suzanne Tucker, Founder of St. Louis-based positive education company Generation ... launches on Kickstarter on Monday, July 21st. , The kit uses colorful, engaging ...
(Date:7/21/2017)... TORONTO, ONTARIO, CANADA (PRWEB) , ... July 21, ... ... with over 80% follow-up at 10 years, researchers from the Multicenter Orthopaedics Outcome ... knee-related quality of life a decade after surgery, though activity levels decline over ...
(Date:7/20/2017)... ... July 20, 2017 , ... TransPixel Volume 2 is ... clips in the FCPX timeline. This effect isolates horizontal and vertical lines of pixels ... contains either a rotating or flipping animation and can be changed using a drop-down ...
Breaking Medicine News(10 mins):
(Date:7/5/2017)... , July 5, 2017 Oramed ... www.oramed.com ), a clinical-stage pharmaceutical company focused on ... it has received approval from the Israel Securities Authority to ... (TASE). Oramed common stock will commence trading on the TASE ... the current market capitalization of the Company, it is expected ...
(Date:7/1/2017)... WARSAW, Ind. , June 30, 2017 Zimmer ... second quarter sales and earnings conference call will be broadcast ... 8 a.m. Eastern Time.  A news release detailing the quarterly ... the morning of the conference call. The live ... website at http://investor.zimmerbiomet.com . It will be archived for ...
(Date:6/30/2017)... , June 29, 2017  Axium Pharmaceuticals Inc. is a pharmaceutical ... novel formulations and alternative dosage forms of existing biologically active ... ... on our waterless self-nano emulsifying formula, which is designed to ... We believe the spray will provide fast onset of action ...
Breaking Medicine Technology: