Understanding the Y chromosome variation in Korea--relevance of combined haplogroup and haplotype analyses.

International Journal of Legal Medicine
Myung Jin ParkKyoung-Jin Shin

Abstract

We performed a molecular characterization of Korean Y-chromosomal haplogroups using a combination of Y-chromosomal single nucleotide polymorphisms (Y-SNPs) and Y-chromosomal short tandem repeats (Y-STRs). In a test using DNA samples from 706 Korean males, a total of 19 different haplogroups were identified by 26 Y-SNPs including the newly redefined markers (PK4, KL2, and P164) in haplogroup O. When genotyping the SNPs, phylogenetic nonequivalence was found between SNPs M117 and M133, which define haplogroup O3a3c1 (O3a2c1a according to the updated tree of haplogroup O by Yan et al. (European Journal of Human Genetics 19:1013-1015, 2011)), suggesting that the position of the M133 marker should be corrected. We have shown that the haplotypes consisted of DYS392, DYS393, DYS437, DYS438, DYS448, and DYS388 loci, which exhibit a relatively lower mutation rate, can preserve phylogenetic information and hence can be used to roughly distinguish Y-chromosome haplogroups, whereas more rapidly mutating Y-STRs such as DYS449 and DYS458 are useful for differentiating male lineages. However, at the relatively rapidly mutating DYS447, DYS449, DYS458, and DYS464 loci, unusually short alleles and intermediate alleles with common sequence struct...Continue Reading

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Citations

Mar 13, 2014·Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis·Longli KangHui Li
Jun 24, 2015·Forensic Science International. Genetics·So Yeun KwonKyoung-Jin Shin
Feb 18, 2021·International Journal of Legal Medicine·Sohee ChoHwan Young Lee

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