Evidence map›Paper›PMID 23332919›Full record

ArticleAmerican journal of human genetics2013

Ancient substructure in early mtDNA lineages of southern Africa.

Chiara Barbieri, Mário Vicente, Jorge Rocha, Sununguko W Mpoloka, Mark Stoneking, Brigitte Pakendorf

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Article in American journal of human genetics, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

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0cells of the map it votes in
36citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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3 · Its place in the literature

Who cites it

36 citing papers in PubMed.

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  14. The deep population history in Africa.Human molecular genetics · 2021
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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Chiara BarbieriMax Planck Research Group on Comparative Population Linguistics, MPI for Evolutionary Anthropology, Leipzig, Germany. chiara_barbieri@eva.mpg.de
Mário Vicente
Jorge Rocha
Sununguko W Mpoloka
Mark Stoneking
Brigitte Pakendorf

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Among the deepest-rooting clades in the human mitochondrial DNA (mtDNA) phylogeny are the haplogroups defined as L0d and L0k, which are found primarily in southern Africa. These lineages are typically present at high frequency in the so-called Khoisan populations of hunter-gatherers and herders who speak non-Bantu languages, and the early divergence of these lineages led to the hypothesis of ancient genetic substructure in Africa. Here we update the phylogeny of the basal haplogroups L0d and L0k with 500 full mtDNA genome sequences from 45 southern African Khoisan and Bantu-speaking populations. We find previously unreported subhaplogroups and greatly extend the amount of variation and time-depth of most of the known subhaplogroups. Our major finding is the definition of two ancient sublineages of L0k (L0k1b and L0k2) that are present almost exclusively in Bantu-speaking populations from Zambia; the presence of such relic haplogroups in Bantu speakers is most probably due to contact with ancestral pre-Bantu populations that harbored different lineages than those found in extant Khoisan. We suggest that although these populations went extinct after the immigration of the Bantu-speaking populations, some traces of their haplogroup composition survived through incorporation into the gene pool of the immigrants. Our findings thus provide evidence for deep genetic substructure in southern Africa prior to the Bantu expansion that is not represented in extant Khoisan populations.

Indexed as

PhylogenyAfrica, SouthernBase SequenceComputer SimulationDNA, MitochondrialEthnicityGenetics, PopulationGeographyHuman MigrationHumansLanguageMolecular Sequence DataOpen Reading FramesDNA, Mitochondrial

Identifiers

PMID23332919
PMCPMC3567273

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.