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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 5 of 5 1 Spatially explicit analysis reveals complex human genetic gradients in the Iberian Peninsula Pimenta, J; Lopes, AM; Carracedo, A. - : Nature Publishing Group, 2019 BASE Show details 2 Mosaic maternal ancestry in the Great Lakes region of East Africa Gomes, V; Pala, M; Salas, A. - 2015 BASE Show details 3 Measurement of the muon reconstruction performance of the ATLAS detector using 2011 and 2012 LHC proton-proton collision data. Aad, G; Abbott, B; Abdallah, J... In: Symplectic Elements at Oxford ; Europe PubMed Central ; PubMed (http://www.ncbi.nlm.nih.gov/pubmed/) ; Web of Science (Lite) (http://apps.webofknowledge.com/summary.do) ; Scopus (http://www.scopus.com/home.url) ; CrossRef (2014) BASE Show details 4 Female gene pools of Berber and Arab neighboring communities in Central Tunisia: microstructure of mtDNA variation in North Africa Cherni, L; Yacoubi-Loueslati, B; Pereira, L; Ennafaâ, H; Amorim, A; El Gaaied, ABA. - : Wayne State University Press, 2005 Abstract: North African populations are considered genetically closer to Eurasians than to sub-Saharans. However, they display a considerably high mtDNA heterogeneity among them, namely in the frequencies of the U6, East African, and sub-Saharan haplogroups. In this study, we describe and compare the female gene pools of two neighboring Tunisian populations, Kesra (Berber) and Zriba (non-Berber), which have contrasting historical backgrounds. Both populations presented lower diversity values than those observed for other North African populations, and they were the only populations not showing significant negative Fu's Fs values. Kesra displayed a much higher proportion of typical sub-Saharan haplotypes (49%, including 4.2% of M1 haplogroup) than Zriba (8%). With respect to U6 sequences, frequencies were low (2% in Kesra and 8% in Zriba), and all belonged to the subhaplogroup U6a. An analysis of these data in the context of North Africa reveals that the emerging picture is complex, because Zriba would match the profile of a Berber Moroccan population, whereas Kesra, which shows twice the frequency of sub-Saharan lineages normally observed in northern coastal populations, would match a western Sanaran population except for the low U6 frequency. The North African patchy mtDNA landscape has no parallel in other regions of the world and increasing the number of sampled populations has not been accompanied by any substantial increase in our understanding of its phylogeography. Available data up to now rely on sampling small, scattered populations, although they are carefully characterized in terms of their ethnic, linguistic, and historical backgrounds. It is therefore doubtful that this picture truly represents the complex historical demography of the region rather than being just the result of the type of samplings performed so far. ; This study was supported by Fundacao para a Ciencia e a Tecnologia (Eixo 2, Medida 2.3 do POCTI, QCA III) and the Tunisian Ministry of Higher Education, Scientific Research, and Technology through project POCTI/ANT/45139/2002. L. Pereira received a research grant (SFRH/BPD/7121/2001) from Fundacao para a Ciencia e a Tecnologia. The Instituto de Patologia e Imunologia Molecular of the Universidade do Porto (IPATIMUP) is financed by Programa Operacional Ciencia, Tecnologia e Inovacao (POCTI), Quadro Comunitario de Apoio III. Keyword: Arabs; Berbers; mtDNA variation; Tunisia URL: http://hdl.handle.net/10216/109267 https://doi.org/10.1353/hub.2005.0028 BASE Hide details 5 Y-chromosomal diversity in Europe is clinal and influenced primarily by geography, rather than by language Rosser, ZH; Zerjal, T; Hurles, ME. - : Cell Press, 2000 BASE Show details

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