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A bidirectional corridor in the Sahel-Sudan belt and the distinctive features of the Chad Basin populations: a history revealed by the mitochondrial DNA genome
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SYSNO ASEP 0089702 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title A bidirectional corridor in the Sahel-Sudan belt and the distinctive features of the Chad Basin populations: a history revealed by the mitochondrial DNA genome Title Dvousměrný koridor v sahelo-súdánském pásmu a zvláštní rysy populací Čadské pánve: historie mitochondriálního genomu Author(s) Černý, Viktor (ARU-G) RID, SAI, ORCID
Salas, A. (ES)
Hájek, Martin (ARU-G)
Žaloudková, M. (CZ)
Brdička, R. (CZ)Source Title Annals of Human Genetics - ISSN 0003-4800
Roč. 71, č. 4 (2007), s. 433-452Number of pages 19 s. Language eng - English Country GB - United Kingdom Keywords archaeogenetics ; mitochondrial DNA ; sub-Saharan Africa Subject RIV AC - Archeology, Anthropology, Ethnology R&D Projects GA404/03/0318 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z80020508 - ARU-G (2005-2011) Annotation The Chad Basin was sparsely inhabited during the Stone Age, and its continual settlement begins with the Holocene. The role played by Lake Chad in the history and migration patterns of Africa is still unclear. The authors studied the mitochondrial DNA (mtDNA) variability in 448 individuals from 12 ethnically and/or economically (agricultural/pastoral) different populations from Cameroon, Chad, Niger and Nigeria. The data indicates the importance of this region as a corridor connecting East and West Africa; however, it was observed that the input from these regions did not erase features peculiar to Chad Basin populations. A new sub-clade, L3f2, is described, which together with L3e5, is most probably autochthonous in the Chad Basin. The phylogeography of these two sub-haplogroups seems to indicate prehistoric expansion events in the Chad Basin around 28,950 and 11,400 Y.B.P., respectively. Workplace Institute of Archaeology (Prague) Contact Lada Šlesingerová, slesingerova@arup.cas.cz, Tel.: 257 014 412 Year of Publishing 2008
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