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摩尔多瓦突厥人Gagauzes 加告兹人的Y-SNP

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发表于 2008-12-31 22:31 | 显示全部楼层 |阅读模式
Am J Hum Biol. 2008 Dec 23.

Searching for the origin of Gagauzes: Inferences from Y-chromosome analysis

Varzari A, Kharkov V
发表: http://www3.interscience.wiley.com/journal/121584502/abstract?CRETRY=1&SRETRY=0

The Gagauzes are a small Turkish-speaking ethnic group living mostly in southern Moldova and northeastern Bulgaria. The origin of the Gagauzes is obscure. They may be descendants of the Turkic nomadic tribes from the Eurasian steppes, as suggested by the Steppe hypothesis, or have a complex Anatolian-steppe origin, as postulated by the Seljuk or Anatolian hypothesis. To distinguish these hypotheses, a sample of 89 Y-chromosomes representing two Gagauz populations from the Republic of Moldova was analyzed for 28 binary and seven STR polymorphisms. In the gene pool of the Gagauzes a total of 15 Y-haplogroups were identified, the most common being I-P37 (20.2%), R-M17 (19.1%), G-M201 (13.5%), R-M269 (12.4%), and E-M78 (11.1%). The present Gagauz populations were compared with other Balkan, Anatolian, and Central Asian populations by means of genetic distances, nonmetric multidimentional scaling and analyses of molecular variance. The analyses showed that Gagauzes belong to the Balkan populations, suggesting that the Gagauz language represents a case of language replacement in southeastern Europe. Interestingly, the detailed study of microsatellite haplotypes revealed some sharing between the Gagauz and Turkish lineages, providing some support of the hypothesis of the Seljuk origin of the Gagauzes. The faster evolving microsatellite loci showed that the two Gagauz samples investigated do not represent a homogeneous group. This finding matches the cultural and linguistic heterogeneity of the Gagauzes well, suggesting a crucial role of social factors in shaping the Gagauz Y-chromosome pool and possibly also of effects of genetic drift。


阅读地址:http://www.namipan.com/d/ee82cdf68c0d8fec0d704c3129eefd9436177dce167e0400
Gagauz:加告兹,高丝,嘎嘎乌孜。
语言:
Altaic (66)
   Turkic (40)      Southern (12)        Turkish (4)            Gagauz [gag] (Moldova)


[ 本帖最后由 ranhaer 于 2008-12-31 22:35 编辑 ]
Searching for the origin of Gagauzes.JPG
 楼主| 发表于 2008-12-31 22:41 | 显示全部楼层
由上文可见,仅 观察到2例 M178,即原来的N3-TAT. 其他东方类型均没有发现。在祖先人群的遗传类型发生强烈的漂变之后,仍能观察到N3,说明N3在早期突厥中的重要地位。
此外,6例R1a1中仅有1例的STR与中亚的样本接近。

此文的主要结论是,在加告兹人上可能发生了语言替换和遗传漂变。
发表于 2008-12-31 23:42 | 显示全部楼层
ranhaer搞文章现在很强啊,不愧是“超级版主鸡”:lol
 楼主| 发表于 2008-12-31 23:53 | 显示全部楼层
这鸡卷卷得像斐波拉契函数轨迹,厉害!级别也高!;PP
发表于 2009-1-1 11:50 | 显示全部楼层
突厥,与其说是个民族体系,不如说是一种语言体系

直观的说,就是因种种原因而说(及改说)突厥语的各种人群+征服者强行灌输的突厥认同

而这种强行灌输可能暗示着突厥人从起始阶段就是个人口较少的群体,因而不得不这样做
可以类比一下满洲人的类似做为,再对比一下蒙古人从来不这样做,估计是因为原初居于草原中部的蒙古人人数更多,在这方面比较自信?
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