Forensic and phylogenetic analyses among three Yi populations in Southwest China with 27 Y chromosomal STR loci


We have analyzed the Y chromosome haplotypes of 510 non-related Yi males grouped in three Chinese provinces (Guizhou, Sichuan, and Yunnan) using the Yfiler® Plus Kit. A total of 484 haplotypes were detected, out of which 460 were unique. The observed haplotype diversity and discrimination capacity were 0.9998 and 0.9490, respectively. To investigate the genetic relationship of the studied population, multidimensional scaling (MDS) plot and neighbor-joining (NJ) tree phylogenetic analyses were constructed which demonstrated that the Y chromosome lineage among the Yi ethnicity was different.

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The authors are grateful to the voluntary participants who made this work possible.


This study was supported by the National Natural Science Foundation of China (Grant No. 81401557) and the Scientific Research Starting Foundation for Doctor, Shaoxing University (Grant No. 20175014).

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Correspondence to Yi Ye.

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The study was reviewed and approved by the Ethics Committee of Shaoxing University and all voluntary participants read and signed an informed consent form in compliance with the Declaration of Helsinki

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Fan, G., An, Y., Peng, C. et al. Forensic and phylogenetic analyses among three Yi populations in Southwest China with 27 Y chromosomal STR loci. Int J Legal Med 133, 795–797 (2019).

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  • Y-Chromosomal STR
  • Yi ethnic group
  • Haplotype
  • Genetic diversity
  • Phylogenetic analyses