Thursday, November 24, 2016

Bantu in Mozambique carry R1 M269

Rowold , Perez-Benedico , Stojkovic , Garcia-Bertrand , Herrera . On the Bantu expansion. Gene. 2016 Nov 15;593(1):48-57. , report the discovery of Southeast African Bantu carriers of R1-M269

In West and Central Africa populations exhibit extremely high frequencies (61% to 95%) of R1b1-P25, or V88.  In contrast, two of the three Southeast African Bantu populations genotyped in this study, display  polymorphic levels of M269  in Central Mozambique 9% and Maputo 1%.
Rowold et al, speculate that M269 was introduced into Southeast Africa by Arabs or Western Europeans.

R1 originated in Africa and spread into Eurasia. I specifically stated the frequency of R1 among African populations throughout my 2011 paper.

Many Sub Saharan Africans carry R1b1b2. Wood et al (2009) found that Khoisan (2.2%) and Niger-Congo (0.4%) speakers carried the R-M269 y-chromosome. The Khoisan also carry RM343 (R1b) and M 198 (R1a1) (Naidoo et al., 2010) The Gonzalez et al article  found that 10 out of 19 subjects in the study carried R1b1-P25 or M269. This is highly significant because it indicates that 53% of the R1 carriers in this study were M269, this finding is further proof of the widespread nature of this so-called Eurasian genes in Africa among populations that have not mated with Europeans.

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