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    Y-chromosome and mtDNA polymorphisms in Iraq, a crossroad of the early human dispersal and of post-Neolithic migrations


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    Reference Type: Journal Article

    Record Number: 5

    Author: N. Al-Zahery, O. Semino, G. Benuzzi, C. Magri, G. Passarino, A. Torroni and A. S. Santachiara-Benerecetti

    Year: 2003

    Title: Y-chromosome and mtDNA polymorphisms in Iraq, a crossroad of the early human dispersal and of post-Neolithic migrations

    Journal: Mol Phylogenet Evol

    Volume: 28

    Issue: 3

    Pages: 458-72

    Epub Date: 2003/08/21

    Date: Sep

    Short Title: Y-chromosome and mtDNA polymorphisms in Iraq, a crossroad of the early human dispersal and of post-Neolithic migrations

    ISSN: 1055-7903 (Print)

    DOI: S1055790303000393 [pii],

    Accession Number: 12927131

    Keywords: Chromosomes, Human, Y/*genetics, DNA, Mitochondrial/*genetics, Geography, Haplotypes/genetics, Humans, Iraq, Male, *Phylogeny, *Polymorphism, Genetic, Polymorphism, Restriction Fragment Length, Population Dynamics, Principal Component Analysis,

    Abstract: Analyses of mtDNA and Y-chromosome variation were performed in a sample of Iraqis, a scarcely investigated population of the "Fertile Crescent." A total of 216 mtDNAs were screened for the diagnostic RFLP markers of the main Eurasian and African haplogroups. A subset of these samples, whose HVS-I sequences were previously obtained, was also examined by high-resolution restriction analysis. The Y-chromosome variation was investigated in 139 subjects by using 17 biallelic markers and the 49a,f/Taq I system. For both uniparental systems, the large majority of the haplogroups observed in the Iraqi population are those (H, J, T, and U for the mtDNA, and J(xM172) and J-M172 for the Y chromosome) considered to have originated in the Middle East and to have later spread all over Western Eurasia. However, about 9% of the mtDNAs and 30% of the Y-chromosomes most likely represent arrivals from distant geographic regions. The different proportion of long-range genetic input observed for the mtDNA and the Y chromosome appears to indicate that events of gene flow to this area might have involved mainly males rather than females.

    Notes: Al-Zahery, N, Semino, O, Benuzzi, G, Magri, C, Passarino, G, Torroni, A, Santachiara-Benerecetti, A S, Comparative Study, Research Support, Non-U.S. Gov't, United States, Molecular phylogenetics and evolution, Mol Phylogenet Evol. 2003 Sep;28(3):458-72.,

    Author Address: Dipartimento di Genetica e Microbiologia A. Buzzati Traverso, Universita di Pavia, Via Ferrata, 1, 27100 Pavia, Italy.

    Language: eng