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Open Access Highly Accessed Research article

Y-chromosomal diversity in the population of Guinea-Bissau: a multiethnic perspective

Alexandra Rosa12*, Carolina Ornelas12, Mark A Jobling3, António Brehm2 and Richard Villems1

Author Affiliations

1 Department of Evolutionary Biology, Estonian Biocentre, Riia 23, 51010 Tartu, Estonia

2 Human Genetics Laboratory, University of Madeira, Campus of Penteada, 9000-390, Funchal, Portugal

3 Department of Genetics, University of Leicester, Leicester, LE1 7RH, UK

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BMC Evolutionary Biology 2007, 7:124  doi:10.1186/1471-2148-7-124

Published: 27 July 2007

Additional files

Additional file 1:

Population data on the surveyed ethnic groups of Guinea-Bissau. The table provides information on the linguistic and religious affiliations of the Guinea-Bissau ethnic groups.

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Additional file 2:

Diversity indices and TMRCA estimates. The table gives diversity indices for Guinea-Bissau Y chromosome haplogroups: a) coalescence time estimates for haplogroups and b) molecular diversity index (RST) and TMRCA for haplogroup E3a*-M2, by ethnic group.

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Additional file 3:

Comparative African data. The table summarizes previously published Y chromosome datasets on African populations, here considered for comparative purposes.

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Additional file 4:

Geographical distribution of African samples. The figure displays the geographical distribution of the African Y chromosome samples considered for comparative purposes [see Additional file 3].

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Additional file 5:

Analysis of Molecular Variance (AMOVA) in Guinea-Bissau. The table summarizes the results of an AMOVA analysis (1023 permutations) for the Y chromosome variation among Guinean ethnic groups, clustered according to geographical, linguistic and religious criteria.

Format: EPS Size: 3.7MB Download file

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Additional file 6:

Microsatellite haplotype networks. The networks describe the variability of 7 microsatellite loci in Y chromosome haplogroups, among ethnic groups. a) haplogroup E3a*-M2 (N = 75, singletons excluded); b) haplogroup E3b1-M78 (N = 11), "*" denoting the E3b1-β haplotypes. Node sizes are proportional to the number of individuals.

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Additional file 7:

Haplotypes in Guinean samples. List of the Y chromosome SNP-defined haplogroups and corresponding microsatellite haplotypes found in the Guinean sample set, by ethnic group.

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