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SAMJ: South African Medical Journal

versão On-line ISSN 2078-5135
versão impressa ISSN 0256-9574


SOODYALL, H. Lemba origins revisited: Tracing the ancestry of Y chromosomes in South African and Zimbabwean Lemba. SAMJ, S. Afr. med. j. [online]. 2013, vol.103, n.12, pp.1009-1013. ISSN 2078-5135.

BACKGROUND: Previous historical, anthropological and genetic data provided overwhelming support for the Semitic origins of the Lemba, a Bantu-speaking people in southern Africa. OBJECTIVE: To revisit the question concerning genetic affinities between the Lemba and Jews. METHODS: Y-chromosome variation was examined in two Lemba groups: one from South Africa (SA) and, for the first time, a group from Zimbabwe (Remba), to re-evaluate the previously reported Jewish link. RESULTS: A sample of 261 males (76 Lemba, 54 Remba 43 Venda and 88 SA Jews) was initially analysed for 16 bi-allelic and 6 short tandem repeats (STRs) that resulted in the resolution of 102 STR haplotypes distributed across 13 haplogroups. The non-African component in the Lemba and Remba was estimated to be 73.7% and 79.6%, respectively. In addition, a subset of 91 individuals (35 Lemba, 24 Remba, 32 SA Jews) with haplogroup J were resolved further using 6 additional bi-allelic markers and 12 STRs to screen for the extended Cohen modal haplotype (CMH). Although 24 individuals (10 Lemba and 14 SA Jews) were identified as having the original CMH (six STRs), only one SA Jew harboured the extended CMH. CONCLUSIONS: While it was not possible to trace unequivocally the origins of the non-African Y chromosomes in the Lemba and Remba, this study does not support the earlier claims of their Jewish genetic heritage.

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