Dataset Information

Autosomal InDel polymorphisms for population genetic structure and differentiation analysis of Chinese Kazak ethnic group.

ABSTRACT: In the present study, we assessed the genetic diversities of the Chinese Kazak ethnic group on the basis of 30 well-chosen autosomal insertion and deletion loci and explored the genetic relationships between Kazak and 23 reference groups. We detected the level of the expected heterozygosity ranging from 0.3605 at HLD39 locus to 0.5000 at HLD136 locus and the observed heterozygosity ranging from 0.3548 at HLD39 locus to 0.5283 at HLD136 locus. The combined power of discrimination and the combined power of exclusion for all 30 loci in the studied Kazak group were 0.999999999999128 and 0.9945, respectively. The dataset generated in this study indicated the panel of 30 InDels was highly efficient in forensic individual identifcation but may not have enough power in paternity cases. The results of the interpopulation differentiations, PCA plots, phylogenetic trees and STRUCTURE analyses showed a close genetic affiliation between the Kazak and Uigur group.

SUBMITTER: Kong T

PROVIDER: S-EPMC5593590 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Autosomal InDel polymorphisms for population genetic structure and differentiation analysis of Chinese Kazak ethnic group.

Kong Tingting T Chen Yahao Y Guo Yuxin Y Wei Yuanyuan Y Jin Xiaoye X Xie Tong T Mu Yuling Y Dong Qian Q Wen Shaoqing S Zhou Boyan B Zhang Li L Shen Chunmei C Zhu Bofeng B

Oncotarget 20170512 34

In the present study, we assessed the genetic diversities of the Chinese Kazak ethnic group on the basis of 30 well-chosen autosomal insertion and deletion loci and explored the genetic relationships between Kazak and 23 reference groups. We detected the level of the expected heterozygosity ranging from 0.3605 at HLD39 locus to 0.5000 at HLD136 locus and the observed heterozygosity ranging from 0.3548 at HLD39 locus to 0.5283 at HLD136 locus. The combined power of discrimination and the combined ...[more]

PMID: 28915619

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Project description:Abstract Sichuan Province is located at the transitional junction regions of the Qinghai-Tibet Plateau and the low-altitude plains. It also serves as the corridor of Sino-Tibetan-speaking population migration and expansion since neolithic expansion of Proto-Tibeto-Burman populations from Middle/Upper Yellow River during Majiayao period (3300–2000 BC). However, the population structure and the corresponding genetic diversity of forensic-related markers in this region remain unclear. Thus, we genotyped 30 insertion-deletion (InDel) markers in 444 samples from four ethnic groups (Han, Tibetan, Hui and Yi) from Sichuan Province using the Investigator® DIPplex kit to explore the characteristics of population genetics and forensic genetic focuses. All the loci were found to be in Hardy-Weinberg Equilibrium (HWE) after applying a Bonferroni correction and no pairwise loci showed prominent linkage disequilibrium. The combined matching probability (CMP) and the combined power of discrimination (CPD) are larger than 1.8089 × 10−11 and 0.99999999995, respectively. Principal component analysis, multi-dimensional scaling plots and Neighbour-Joining tree among 65 worldwide populations indicated that Sichuan Hui and Han are genetically close to Hmong-Mien and Tai-Kadai-speaking populations, and Sichuan Tibetan and Yi bear a strong genetic affinity with Tibeto-Burman-speaking populations. The model-based genetic structure further supports the genetic affinity between the studied populations and linguistically close populations. Key Points Forensic parameters of 30 insertion-deletions (InDels) in 444 individuals from four populations are reported, which showed abundant genetic affinity and diversity among populations and high value in personal identification. Genetic similarities existed between the studied populations and ethnically, linguistically close populations. Sichuan Hui and Han are genetically close to Hmong-Mien and Tai-Kadai-speaking populations. Sichuan Tibetan and Yi bear a strong genetic affinity with Tibeto-Burman-speaking populations.

Dataset Information

Autosomal InDel polymorphisms for population genetic structure and differentiation analysis of Chinese Kazak ethnic group.

Publications

Autosomal InDel polymorphisms for population genetic structure and differentiation analysis of Chinese Kazak ethnic group.

Similar Datasets

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