Abstract
The Xinjiang Uyghur Autonomous Region of China (XUARC) harbors 47 ethnic groups including the Manchu (MCH: 0.11%), Mongols (MGL: 0.81%), Kyrgyz (KGZ: 0.86%) and Uzbek (UZK: 0.066%). To establish DNA databases for these populations, allele frequency distributions for 15 autosomal short tandem repeat (STR) loci were determined using the AmpFlSTR Identifiler PCR amplification kit. There was no evidence of departures from Hardy–Weinberg equilibrium (HWE) in any of the four populations and minimal departure from linkage equilibrium (LE) for a very small number of pairwise combinations of loci. The probabilities of identity for the different populations ranged from 1 in 1.51 × 1017 (MCH) to 1 in 9.94 × 1018 (MGL), the combined powers of discrimination ranged from 0.99999999999999999824 (UZK) to 0.9999999999999999848 (MCH) and the combined probabilities of paternal exclusion ranged from 0.9999979323 (UZK) to 0.9999994839 (MCH). Genetic distances, a phylogenetic tree and principal component analysis (PCA) revealed that the MCH, KGZ and UZK are genetically closer to the Han population of Liaoning and the Mongol population of Mongolia while the MGL are closer to Han, Japanese, Korean, Malaysian, Hong Kong Han and Russians living in China.
Highlights
IntroductionAs well as Mongolia, Mongols currently live mainly in the Inner Mongolia Autonomous Region and some prefectures of Xinjiang Uygur Autonomous Region like Bayingolin (South East) and Bortala (North West)
Xinjiang is a multi-ethnic region and has played an important role in connecting eastern Eurasia and western Eurasia
At a polymorphism information content (PIC) of 1, the marker would have an infinite number of alleles
Summary
As well as Mongolia, Mongols currently live mainly in the Inner Mongolia Autonomous Region and some prefectures of Xinjiang Uygur Autonomous Region like Bayingolin (South East) and Bortala (North West). They represent 0.81% of the Xinjiang population[4]. The Kyrgyz (or Kirgiz) live mainly in the southwest of Xinjiang, especially in the Kezhilesu Kyrgyz autonomous state They have a long history and have been known in China by many names. In the Tang and Song dynasty; and “Jirjisi” or “Qirjisi” in the Yuan and Ming periods All these names were based on “Kyrgyz”, which has had different Chinese translation at different times. While the Kyrgyz are primarily located in Kyrgyzstan, they represent only 0.86% of the Xinjiang population[4]
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