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Another Metamorphosis

Life & Events > American Genes Found in Icelanders
 

American Genes Found in Icelanders

Thursday, November 18, 2010  |  News


The results of a long term study of  human genetics into the nature of the evolutionary processes that have shaped the gene pools of modern populations has been revealed.

While examining the genetic origins of Icelandic families, researchers who include Carles Lalueza-Fox from IDEC-Universitat Pompeu Fabra in Spain, have claimed that the first Americans reached Europe a full five centuries before Christopher Columbus set off on his first voyage of discovery in 1492. Experts from the Centre for Scientific Research, are convinced that a woman from the Americas arrived in Iceland 1,100 years ago, leaving behind genes that are reflected in nearly 100 Icelanders today.
Although most mtDNA lineages observed in contemporary Icelanders can be traced to neighbouring populations in the British Isles and Scandinavia, one may have a more distant origin. This lineage belongs to haplogroup C1, one of a handful that was involved in the settlement of the Americas around 14,000 years ago. Contrary to an initial assumption that this lineage was a recent arrival, preliminary genealogical analyses revealed that the C1 lineage was present in the Icelandic mtDNA pool at least 300 years ago.


Experts from the Centre for Scientific Research, are convinced that a woman from the Americas arrived in Iceland 1,100 years ago

Due to a faster rate of genetic drift in the Icelandic mtDNA pool during the last 1,100 years, the sequences carried by the first settlers were better preserved in their ancestral gene pools than among their descendants in Iceland.
In the article published in the American Journal of Physical Anthropology it is stated that “This raised the intriguing possibility that the Icelandic C1 lineage could be traced to Viking voyages to the Americas that commenced in the 10th century. In an attempt to shed further light on the entry date of the C1 lineage into the Icelandic mtDNA pool and its geographical origin, we used the deCODE Genetics genealogical database to identify additional matrilineal ancestors that carry the C1 lineage and then sequenced the complete mtDNA genome of 11 contemporary C1 carriers from four different matrilines. Our results indicate a latest possible arrival date in Iceland of just prior to 1700 and a likely arrival date centuries earlier. Most surprisingly, we demonstrate that the Icelandic C1 lineage does not belong to any of the four known Native American (C1b, C1c, and C1d) or Asian (C1a) subclades of haplogroup C1. Rather, it is presently the only known member of a new subclade, C1e. While a Native American origin seems most likely for C1e, an Asian or European origin cannot be ruled out. “
They  discovered the genes could be traced to common ancestors in the south of Iceland, near the Vatnajökull glacier, in around 1710, ruling out initial theories that they may have arrived via Asia – as this was long before Asian genes appeared in Icelanders.
“As the island was practically isolated from the 10th century onwards, the most probable hypothesis is that these genes correspond to an Amerindian woman who was taken from America by the Vikings some time around the year 1000,” said Carles Lalueza-Fox, of the Pompeu Fabra university in Spain.
Norse sagas suggest Scandanavians discovered the Americas, and the latest data seems to support the hypothesis that they may have brought American Indians back with them to northern Europe.
A Norse settlement at L’Anse aux Meadows, in the Canadian province of Newfoundland and Labrador, is thought to date to the 11th century, which would match the approximate date of this rough wooing.
Researchers said they would keep trying to determine when the Amerindian genes first arrived in Iceland and would seek to link them to burial remains in the Americas.

posted on Nov 20, 2010 5:42 PM ()

Comments:

AJ and I are waiting for her to come through with the final book--it has been awhile!
comment by greatmartin on Nov 23, 2010 8:08 AM ()
Have you checked her website? There may be a mention on there - worth a try (keep me informed too if that is ok, thanx for that)
reply by febreze on Nov 23, 2010 11:01 AM ()
I have read it and the new Smithsonian magazine said that her theory that early humans lived with cave bears was not correct.
comment by elderjane on Nov 22, 2010 6:06 PM ()
I have not heard about that theory - it doesn't sound too practical. I don't think I can get that publication over here, but maybe I can view it on-line, I will have a looksee later on . . . (I am off for a shower, right now - my lazy day has drawn into it's second day) !!!
reply by febreze on Nov 23, 2010 5:49 AM ()
This is something new to me. Interesting. Native Americans (Indians), or indigenous North Americans, not some "Joe Blow" off the streets of Boston!
comment by solitaire on Nov 22, 2010 5:58 AM ()
Exactly! The Vikings were the best sailors in the world at that time, sailing the seas in their long boats. It is extremely plausible, that they took a woman from 'The Americas' with them on their ventures and that she became the ancestor of may Icelanders today! Totally fascinating stuff to me
reply by febreze on Nov 23, 2010 5:42 AM ()
It is about the start of civilization in what is now known as Europe--it is called the Earth's Children series by Jean M. Auel: "Clan Of he Cave Bears", "Valley Horses", "Mammoth Hunters", "The Plains of Passage" and "The Shelters of Stone"---all brilliant books!
comment by greatmartin on Nov 21, 2010 4:27 PM ()
I wouldn't mind reading that series - bound to be interesting
reply by febreze on Nov 23, 2010 5:27 AM ()
Yep, can't keep the Americans away--we are everywhere!!!

Did ypu ever read the Clan Bear series?
comment by greatmartin on Nov 21, 2010 2:03 PM ()
I have just looked it up, it is an interesting story
reply by febreze on Nov 21, 2010 2:46 PM ()

No Martin, I haven't read it - what is it about? Sounds interesting.
reply by febreze on Nov 21, 2010 2:40 PM ()

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