Allele and haplotype frequencies of seven Y-chromosome STR loci were determined from a sample of 95 and 16 unrelated males from Madeira and Porto Santo Islands, respectively.
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Evaluation of RMplex system for differentiating father-son pairs using Y-STRs in a Korean population.
Forensic Sci Int Genet
January 2025
Forensic DNA Division, National Forensic Service, Wonju, South Korea. Electronic address:
Y-chromosomal short tandem repeats (Y-STRs) at rapidly mutating (RM) loci have been suggested as tools for differentiating paternally related males. RMplex is a recently developed system that incorporates 26 RM loci and four fast-mutating (FM) loci, targeting 44 male-specific loci. Here, we evaluated the RMplex by estimating Y-STR mutation rates and the overall differentiation rates for 542 Korean father-son pairs, as well as the genetic population values for 409 unrelated males.
View Article and Find Full Text PDFGenetic characterization of paternal lineages by Y-STR in three sample populations in Northeastern Brazil.
Int J Legal Med
January 2025
Bioinformatics and Evolutionary Biology Laboratory, Department of Genetics, Federal University of Pernambuco, Av. Professor Moraes Rego, Recife, PE, 50670-901, Brazil.
Genetic markers of the Y chromosome are powerful tools for investigating paternal ancestry and are widely used in population and forensic genetics. However, in order to obtain statistics with a higher degree of certainty using these markers, it is necessary to obtain haplotypic frequencies from a representative database, as well as knowing the diversity and structure of the population. The aim of this study was to investigate the genetic diversity of a sample of 1114 unrelated men from three states in the Northeast of Brazil: Paraíba, Pernambuco and Ceará, through the analysis of 23 Y-STRs and to contribute to the expansion of the Brazilian database on these markers.
View Article and Find Full Text PDFA machine learning approach for estimating Eastern Asian origins from massive screening of Y chromosomal short tandem repeats polymorphisms.
Int J Legal Med
January 2025
Institute of Forensic and Anthropological Science, Seoul National University Medical Research Center, 103 Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
Inferring the ancestral origin of DNA evidence recovered from crime scenes is crucial in forensic investigations, especially in the absence of a direct suspect match. Ancestry informative markers (AIMs) have been widely researched and commercially developed into panels targeting multiple continental regions. However, existing forensic ancestry inference panels typically group East Asian individuals into a homogenous category without further differentiation.
View Article and Find Full Text PDFThe Finnic Peoples of Russia: Genetic Structure Inferred from Genome-Wide and Y-Chromosome Data.
Genes (Basel)
December 2024
Dipartimento di Scienze Linguistiche e Letterature Straniere, Università Cattolica del Sacro Cuore, Largo Gemelli 1, 20123 Milan, Italy.
Eastern Finnic populations, including Karelians, Veps, Votes, Ingrians, and Ingrian Finns, are a significant component of the history of Finnic populations, which have developed over ~3 kya. Yet, these groups remain understudied from a genetic point of view. In this work, we explore the gene pools of Karelians (Northern, Tver, Ludic, and Livvi), Veps, Ingrians, Votes, and Ingrian Finns using Y-chromosome markers (N = 357) and genome-wide autosomes (N = 67) and in comparison with selected Russians populations of the area (N = 763).
View Article and Find Full Text PDFGenetic Polymorphism of Y-Chromosome in Turkmen Population from Turkmenistan.
Genes (Basel)
November 2024
Kh. Dosmukhamedov Atyrau University, Atyrau 060000, Kazakhstan.
This study investigates the Y-chromosome genetic diversity of the Turkmen population in Turkmenistan, analyzing 23 Y-STR loci for the first time in a sample of 100 individuals. Combined with comparative data from Turkmen populations in Afghanistan, Iran, Iraq, Russia, and Uzbekistan, this analysis offers insights into the genetic structure and relationships among Turkmen populations across regions across Central Asia and the Near East. High haplotype diversity in the Turkmen of Turkmenistan is shaped by founder effects (lineage expansions) from distinct haplogroups, with haplogroups Q and R1a predominating.
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