Human Molecular Genetics, Vol 5, 1029-1033, Copyright © 1996 by Oxford University Press
L Roewer, M Kayser, P Dieltjes, M Nagy, E Bakker, M Krawczak and P de Knijff
The analysis of seven Y-chromosome-specific microsatellite loci revealed a
high level of polymorphism in two closely related human populations (Dutch,
n = 89, and German, n = 70). Four of these loci were found to generate at
least 77 different haplotypes, only 15 of which were shared by the two
populations. These results demonstrate that highly informative PCR-based
DNA typing of the Y chromosome is now feasible. Assuming a stepwise
mutation model, a network comprising all minimum spanning evolutionary
trees connecting the haplotypes was constructed. Analysis of molecular
variance based upon this network indicated that the within-population
heterogeneity with respect to haplotype descent was significantly smaller
than the between-population heterogeneity, suggesting that males were more
closely related to males from their own population as opposed to males from
the other population. These findings suggest that Y-chromosomal
microsatellites might be very useful not only for forensic purposes but
also in association studies of multifactorial traits, allowing the
characterization of the level of genetic distinctiveness of supposedly
inbred or isolated populations and discrimination even between closely
related populations.
ARTICLES
Analysis of molecular variance (AMOVA) of Y-chromosome-specific microsatellites in two closely related human populations [published erratum appears in Hum Mol Genet 1997 May;6(5):828]
Institut fur Gerichtliche Medizin, Humboldt-Universitat, Berlin, Germany.
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