Journal
ANNALS OF HUMAN BIOLOGY
Volume 49, Issue 7-8, Pages 354-360Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/03014460.2022.2131334
Keywords
mtDNA; Guizhou Dong; haplotype; haplogroup
Funding
- National Natural Science Foundation of China [82160324]
- Guizhou Scientific Support Project
- Qian Science Support [2021] General
- Shanghai Key Lab of Forensic Medicine, Key Lab of Forensic Science, Ministry of Justice, China (Academy of Forensic Science) [KF202009]
- Guizhou Province Education Department, Characteristic Region Project, Qian Education KY
- Guizhou Province Education Department, Characteristic Region Project [[2021]065]
- Guizhou Hundred High-level Innovative Talent Project [[2020]6012]
- Guizhou Scientific Support Project
- Guizhou Science Project, Qian Science Foundation
- Guizhou Scientific Cultivation Project
- Guizhou Engineering Technology Research Center Project
- Qian High-Tech of Development and Reform Commission
- [[2020] 4Y057]
- [Qian Science Support [2021] General 448]
- [[2020] 1Y353]
- [[2018] 5779-X]
- [[2016] 1345]
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This study analyzed the sequences and haplogroups of the mitochondrial DNA control region in a typical Dong population in Guizhou, China. The findings revealed 180 haplotypes assigned to 97 different haplogroups. The Guizhou Dong showed the closest genetic relationship with the Han and Miao populations in China, as well as with the Punjab and Kashmiri populations in Pakistan and other world populations.
BackgroundDong people in Southwest China are officially recognised as an ethnic group, but there has been a lack of population genetic research on this group, especially based on mitochondrial DNA data.AimTo study the sequences and haplogroups of the mitochondrial DNA control region in a typical Dong population, and to provide help for the construction of a forensic mitochondrial DNA analysis reference database in East Asia.Subjects and methodsThe sequences of the mitochondrial DNA control region were analysed in 200 individuals of Dong in Guizhou. The haplotype frequencies, haplogroup distribution and paired Fst values of Guizhou Dong and 51 other populations in the world were calculated and explained to explore the genetic polymorphism and population relationships.ResultsA total of 180 haplotypes were detected, with frequencies of 0.005-0.02. All haplotypes were assigned to 97 different haplogroups. The haplotype diversity and random matching probability were 0.998643 and 0.00635, respectively. The paired Fst values and correlation p values of 52 populations showed that the Guizhou Dong had the closest genetic relationship with the Henan Han and the Guizhou Miao in China, and were closest to the Punjab population in Pakistan and the Kashmiri population when compared with the world populations.ConclusionsOur study was based on the matrilineal genetic structure of Guizhou Dong to study mitochondrial DNA, which was helpful to promote the establishment of the forensic DNA reference database in East Asia and provide reference for anthropological research.
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