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The influence of habitats on female mobility in Central and Western Africa inferred from human mitochondrial variation
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Abstract:
[Background] When studying the genetic structure of human populations, the role of cultural factors may be difficult to ascertain due to a lack of formal models. Linguistic diversity is a typical example of such a situation. Patrilocality, on the other hand, can be integrated into a biological framework, allowing the formulation of explicit working hypotheses. The present study is based on the assumption that patrilocal traditions make the hypervariable region I of the mtDNA a valuable tool for the exploration of migratory dynamics, offering the opportunity to explore the relationships between genetic and linguistic diversity. We studied 85 Niger-Congo-speaking patrilocal populations that cover regions from Senegal to Central African Republic. A total of 4175 individuals were included in the study. ; [Results] By combining a multivariate analysis aimed at investigating the population genetic structure, with a Bayesian approach used to test models and extent of migration, we were able to detect a stepping-stone migration model as the best descriptor of gene flow across the region, with the main discontinuities corresponding to forested areas. ; [Conclusions] Our analyses highlight an aspect of the influence of habitat variation on human genetic diversity that has yet to be understood. Rather than depending simply on geographic linear distances, patterns of female genetic variation vary substantially between savannah and rainforest environments. Our findings may be explained by the effects of recent gene flow constrained by environmental factors, which superimposes on a background shaped by pre-agricultural peopling. ; This research was partially supported by the Istituto Italiano di Antropologia and the University of Rome “La Sapienza” (funds to GDB). Sapienza Università di Roma Istituto Italiano di Antropologia (Italia) ; Peer Reviewed
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Keyword:
Bayesian inference; Migration; Mitochondrial DNA; Population genetic structure; Western Central Africa
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URL: https://doi.org/10.1186/1471-2148-13-24
http://hdl.handle.net/10261/72494
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| 2 |
Language Attitudes of University of Cape Town Linguistics Students towards Codeswitching
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| 3 |
Y Nut, a Phonetic-based Learning System for Spoken Languages
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In: Proceedings of the Fifth International IEEE EAI Conference on e‐infrastructure and e‐Services for Developing Countries (AFRICOMM 2012) ; Fifth International IEEE EAI Conference on e‐infrastructure and e‐Services for Developing Countries (AFRICOMM 2013) ; https://hal.archives-ouvertes.fr/hal-00994247 ; Fifth International IEEE EAI Conference on e‐infrastructure and e‐Services for Developing Countries (AFRICOMM 2013), Nov 2013, Blantyre, Malawi. pp.20-23 (2013)
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| 4 |
Tapping into the Anointing: Pentecostal Pedagogy, Connectivity, and Power in Contemporary Ghana
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| 5 |
Tapping into the Anointing: Pentecostal Pedagogy, Connectivity, and Power in Contemporary Ghana
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In: Reinhardt, Bruno Mafra Ney. (2013). Tapping into the Anointing: Pentecostal Pedagogy, Connectivity, and Power in Contemporary Ghana. UC Berkeley: Anthropology. Retrieved from: http://www.escholarship.org/uc/item/34x4716w (2013)
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| 6 |
The other side of the story. Colonial politics still shape attitudes to language use in school in Africa. Contrast between South Africa and Mozambique
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In: Language Policy, Education and Multilingualism in Mayotte ; https://halshs.archives-ouvertes.fr/halshs-00905803 ; Laroussi, Foued; Liénard, Fabien. Language Policy, Education and Multilingualism in Mayotte, Lambert-Lucas, pp.147-162, 2013 (2013)
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| 7 |
'Translanguaging' a harbinger of language and cultural loss in Africa? The central role of schools in the transmission of standard forms of African languages.
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In: Linguistics and the Glocalisation of African languages for sustanaible development. A Festschrift in honor of Pr Kola Owolabi ; https://halshs.archives-ouvertes.fr/halshs-00874904 ; Wale Adegbite; Ayo Odungsiji; Oye taiwo. Linguistics and the Glocalisation of African languages for sustanaible development. A Festschrift in honor of Pr Kola Owolabi, Universal Akada Book Nigeria Lted, pp.7'-92, 2013 (2013)
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| 8 |
Singing the absence, praising the return: issues concerning migrants in Zarma-land (Niger)
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In: Singing the absence, praising the return: issues concerning migrants in Zarma-land (Niger) ; https://halshs.archives-ouvertes.fr/halshs-00907878 ; Singing the absence, praising the return: issues concerning migrants in Zarma-land (Niger), Jun 2013, Lisbonne, Portugal (2013)
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| 9 |
Islam
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In: The Oxford Handbook of Modern African History ; https://halshs.archives-ouvertes.fr/halshs-01406101 ; John Parker and Richard Reid. The Oxford Handbook of Modern African History, Oxford University Press, 2013, 9780199572472 (2013)
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| 10 |
Ndwele imenishika "la maladie m'a pris" (Mathias E. Mnyampala, 1969)
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In: https://medihal.archives-ouvertes.fr/medihal-00864055 ; Photography. Dodoma, Tanzania. 2013 (2013)
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| 11 |
Understanding a Decontextualised Ajami Manuscript
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In: The Arabic script in Africa: Synergies resulting from the study of a writing system (TASIA2) ; https://hal.archives-ouvertes.fr/hal-01482687 ; The Arabic script in Africa: Synergies resulting from the study of a writing system (TASIA2), Université libre de Bruxelles, Apr 2013, Bruxelles, Belgium (2013)
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| 12 |
Recueil des inscriptions libyques 1940-2012 ; Recueil des inscriptions libyques 1940-2012: Supplément à J.-B. Chabot, Recueil des inscriptions libyques, Paris, 1940
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In: https://halshs.archives-ouvertes.fr/halshs-00841800 ; 2013 (2013)
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| 13 |
A Critical Survey of Xhosa Lexicography 1772-1989
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In: Lexikos; Vol. 2 (1992) ; 2224-0039 (2013)
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| 14 |
From Wordlist to Comparative Lexicography: The Lexinotes
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In: Lexikos; Vol. 3 (1993) ; 2224-0039 (2013)
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| 15 |
Ancestor Non-worship in Mampruli
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In: Lexikos; Vol. 6 (1996) ; 2224-0039 (2013)
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| 16 |
L’interdisciplinarité comme indiscipline : Les « contre-allées » d’une recherche sur les médias au Burkina Faso
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Capitant, Sylvie. - : Département d’anthropologie de l’Université Laval, 2013. : Érudit, 2013
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| 17 |
The RefLex project : documenting and exploring lexical resources in Africa
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In: Research, records and responsibility (RRR): Ten years of the Pacific and Regional Archive for Digital Sources in Endangered Cultures (PARADISEC) ; https://halshs.archives-ouvertes.fr/halshs-02925555 ; Research, records and responsibility (RRR): Ten years of the Pacific and Regional Archive for Digital Sources in Endangered Cultures (PARADISEC), Pacific and Regional Archive for Digital Sources in Endangered Cultures (PARADISEC), Dec 2013, Melbourne, Australia ; https://www.paradisec.org.au/2013Conf.html (2013)
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| 19 |
Review of Repertoires and Choices in African Languages by Friederike Lûpke and Anne Storch
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In: Applied Linguistics Faculty Publications and Presentations (2013)
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| 20 |
Local Languages of Instruction as a Right in Education for Sustainable Development in Africa
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In: Sustainability ; Volume 5 ; Issue 5 ; Pages 1994-2017 (2013)
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