Population genetics of 23 Y-STR loci in the Mongolian minority population in Inner Mongolia of China
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In this study, 23 Y chromosomal STRs (DYS19, DYS389I, DYS389II, DYS390, DYS391, DYS392, DYS393, DYS385a, DYS385b, DYS438, DYS439, DYS437, DYS448, DYS456, DYS458, DYS635, YGATAH4, DYS576, DYS481, DYS549, DYS533, DYS570, and DYS643) were investigated in 258 unrelated individuals of Mongolian descent living in the Inner Mongolia Autonomous Region. A total of 233 different haplotypes were found, and 209 of them were unique. Haplotype diversity was 0.9992 and gene diversity ranged from 0.4840 (DYS391) to 0.9679 (DYS385ab). Both R st pairwise analysis and multidimensional scaling plot showed that the genetic structure of the Mongolian population was significantly different from some Chinese ethnic groups and neighboring populations. It is notable that there were null features existing at DYS448 as observed by the PowerPlex® Y23 System, which could be also obtained by sequencing in the Tibetan population.
KeywordsPowerPlex® Y23 Y chromosome DYS448 Mongolian population
We would like to thank the volunteers who contributed samples for this study. This work was supported by grants from the Five-Thirteenth National Science and Technology Support Program of China and from the National Natural Science Foundation of China (81330073 and 81571854). This study was also supported by the open fund (KF1408) from Shanghai Key Laboratory of Forensic Medicine (Institute of Forensic Science, Ministry of Justice), China.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflicts of interest.
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