Objective: To elucidate the genetic relationships between Estonian, Latvian and Lithuanian men by studying Y-chromosomal variation in these people. Methods: The allelic status of five deep-rooted marker loci (YAP, Tat, M9, 92R7 and SRY-1532) was determined for 346 Baltic males. On the basis of single nucleotide polymorphism (SNP) haplotypes, Y chromosomes were divided into six haplogroups, and the Baltic haplogroup distribution compared with that in 7 European reference populations. Haplogroup frequencies, diversities and genetic distances (FST values) were calculated. The relationships between populations were further illustrated using Mantel test, neighbor-joining tree and principal-component map. Results: We found the Indo-European-speaking Latvians and Lithuanians to be genetically very similar to the Finno-Ugric-speaking Estonians. When compared to the reference populations, Baltic males were most closely related to the Finno-Ugric-speaking Mari, followed by their Finnish and Slavonic neighbors. Conclusions: The genetic similarity existing between Estonian, Latvian and Lithuanian men suggests that they originate from the same male founder population. Since the Baltic Y-chromosomal haplogroup distribution more closely resembles that of Finno-Ugric than Indo-European-speaking populations, we propose a hypothesis that Baltic males share a common Finno-Ugric ancestry.
© 2002 S. Karger AG, Basel
- Y chromosome
- Baltic region
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Dr. Virpi Laitinen
Department of Medical Genetics, Biomedical Institute, University of Turku
FIN–20520 Turku (Finland)
Tel. +358 2 333 7456, Fax +358 2 333 7300, E-Mail email@example.com
Received: Received: August 24, 2001
Revision received: January 10, 2002
Accepted: January 14, 2002
Number of Print Pages : 11
Number of Figures : 5, Number of Tables : 3, Number of References : 41
Human Heredity (International Journal of Human and Medical Genetics)
Founded 1950 as Acta Genetica et Statistica Medica by Gunnar Dahlberg; Continued by M. Hauge (1965–1983)
Vol. 53, No. 2, Year 2002 (Cover Date: Released May 2002)
Journal Editor: J. Ott, New York, N.Y.
ISSN: 0001–5652 (print), 1423–0062 (Online)
For additional information: http://www.karger.ch/journals/hhe
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