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Kennewick Man Y: Q-M3

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发表于 2015-6-19 09:54 | 显示全部楼层 |阅读模式
本帖最后由 Ryan 于 2015-6-19 12:57 编辑

[size=28.5551490783691px]The ancestry and affiliations of Kennewick Man



Kennewick Man, referred to as the Ancient One by Native Americans, is a male human skeleton discovered in Washington state (USA) in 1996 and initially radiocarbon-dated to 8,340–9,200 calibrated years before present ([size=12.3207492828369px]BP)1. His population affinities have been the subject of scientific debate and legal controversy. Based on an initial study of cranial morphology it was asserted that Kennewick Man was neither Native American nor closely related to the claimant Plateau tribes of the Pacific Northwest, who claimed ancestral relationship and requested repatriation under the Native American Graves Protection and Repatriation Act (NAGPRA). The morphological analysis was important to judicial decisions that Kennewick Man was not Native American and that therefore NAGPRA did not apply. Instead of repatriation, additional studies of the remains were permitted2. Subsequent craniometric analysis affirmed Kennewick Man to be more closely related to circumpacific groups such as the Ainu and Polynesians than he is to modern Native Americans2. In order to resolve Kennewick Man’s ancestry and affiliations, we have sequenced his genome to ~1× coverage and compared it to worldwide genomic data including the Ainu and Polynesians. We find that Kennewick Man is closer to modern Native Americans than to any other population worldwide. Among the Native American groups for whom genome-wide data are available for comparison, several seem to be descended from a population closely related to that of Kennewick Man, including the Confederated Tribes of the Colville Reservation (Colville), one of the five tribes claiming Kennewick Man. We revisit the cranial analyses and find that, as opposed to genomic-wide comparisons, it is not possible on that basis to affiliate Kennewick Man to specific contemporary groups. We therefore conclude based on genetic comparisons that Kennewick Man shows continuity with Native North Americans over at least the last eight millennia.


http://www.nature.com/nature/journal/vnfv/ncurrent/full/nature14625.html[size=14.4949998855591px]
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发表于 2015-6-19 10:04 | 显示全部楼层
这是要打脸的节奏
发表于 2015-6-19 22:40 | 显示全部楼层
Now there will be a new lawsuit to claim the bones for reburial.
发表于 2015-6-21 10:05 | 显示全部楼层
有ainu的常染,只是只有K=14的结果,没有中间过程。
发表于 2015-6-21 23:48 | 显示全部楼层
Anzick-1是克洛维斯(Clovis)的一个男孩样本。看来肯尼威克人和克洛维斯人在常染遗传上是非常接近的。
http://zhan.renren.com/h5/entry/3602888498048067819
发表于 2015-6-21 23:55 | 显示全部楼层
He has basal mtDNA hg X2a (!) and Y hg Q1a2a1a1-M3.
sahaliyan 发表于 2015-6-20 12:14

这个结果不出意外,Y-Q和mt-X2a都是从中亚来的,这个检测结果解释了肯尼威克人那些与亚洲人非常不同的头面部特征。
发表于 2015-6-23 11:19 | 显示全部楼层
有意思的是从常染成分看,肯尼威克人与克洛维斯Anzick-1相比还多出一些北极和远东成分。
我个人认为这恐怕不能理解为:肯尼威克人是有各种成分的混血人种(因为他的外貌实在太有个性了),而更有可能是肯尼威克人常染代表了中亚-西伯利亚早期土著的原始成分,后来这种原始成分被后来远东-美洲的各现代族群所吸收。
发表于 2015-6-23 20:00 | 显示全部楼层
http://www.nature.com/nature/journal/vnfv/ncurrent/images/nature14625-f1.jpg有ainu的常染,只是只有K=14的结果,没有中间过程。
hercules 发表于 2015-6-21 10:05
里面CHB如果蒙古人20%的西亚欧成分不误,它的西欧亚成分不足1%。
发表于 2015-6-24 20:09 | 显示全部楼层
小永怎么不来发表下看法?颅骨数据最接近日本阿伊努和玻里尼西亚的族群,但是DNA数据却是与北部印第安族群匹配度最高。
发表于 2015-6-24 20:14 | 显示全部楼层
小永怎么不来发表下看法?颅骨数据最接近日本阿伊努和玻里尼西亚的族群,但是DNA数据却是与北部印第安族群匹配度最高。
风虎云龙 发表于 2015-6-24 20:09
Kennewick Man长相立体,颅骨数据接近赤道人种毫无意外
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