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摩尔多瓦突厥人Gagauzes 加告兹人的Y-SNP

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

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。

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。

发表于 2008-12-31 23:42 | 显示全部楼层
 楼主| 发表于 2008-12-31 23:53 | 显示全部楼层
发表于 2009-1-1 11:50 | 显示全部楼层


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