Journal
ANNALS OF HUMAN BIOLOGY
Volume 33, Issue 3, Pages 265-278Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/03014460600578599
Keywords
Bantu; Comoro islands; East Africa; HLA
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Background: Ethnic - historic sources have considered the Comorian population to be the result of an amalgamation of African, Arabian and Southeast Asian groups. Aim: This study seeks to determine the genetic relationships and contributions from Sub-Saharan Africa and Indian Oceania and to reconstruct past migration events. Subjects and methods: The human leukocyte antigen (HLA) polymorphism of a Comorian population was described and analysed. Results: Genetic distances and multidimensional scaling analyses showed complex patterns of genetic differentiation in the Indian Oceanian area as a result of continuous gene flow occurring within the past similar to 2500 years. Nevertheless, the Comorian genetic pool appears to be a mix of Bantu-speaking and Arab populations as testified to by admixture estimations of almost 50 - 60% and 27 - 33%, respectively. Conclusion: The Comorian population may represent the eastern limit of the recent and massive eastward Bantu expansion. In contrast to the population from Madagascar (Merina), only a restricted influence of Austronesian populations was found.
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