title: Indian Siddis: African descendants with Indian admixture.
abstract: The Siddis (Afro-Indians) are a tribal population whose members live in coastal Karnataka, Gujarat, and in some parts of Andhra Pradesh. Historical records indicate that the Portuguese brought the Siddis to India from Africa about 300-500 years ago; however, there is little information about their more precise ancestral origins. Here, we perform a genome-wide survey to understand the population history of the Siddis. Using hundreds of thousands of autosomal markers, we show that they have inherited ancestry from Africans, Indians, and possibly Europeans (Portuguese). Additionally, analyses of the uniparental (Y-chromosomal and mitochondrial DNA) markers indicate that the Siddis trace their ancestry to Bantu speakers from sub-Saharan Africa. We estimate that the admixture between the African ancestors of the Siddis and neighboring South Asian groups probably occurred in the past eight generations (∼200 years ago), consistent with historical records.
authors: Centre for Cellular and Molecular Biology, Council of Scientific and Industrial Research, Hyderabad, India.
authors: Anish M
authors: AM
authors: Shah
authors: Rakesh
authors: R
authors: Tamang
authors: Priya
authors: P
authors: Moorjani
authors: Deepa Selvi
authors: DS
authors: Rani
authors: Periyasamy
authors: P
authors: Govindaraj
authors: Gururaj
authors: G
authors: Kulkarni
authors: Tanmoy
authors: T
authors: Bhattacharya
authors: Mohammed S
authors: MS
authors: Mustak
authors: L V K S
authors: LV
authors: Bhaskar
authors: Alla G
authors: AG
authors: Reddy
authors: Dharmendra
authors: D
authors: Gadhvi
authors: Pramod B
authors: PB
authors: Gai
authors: Gyaneshwer
authors: G
authors: Chaubey
authors: Nick
authors: N
authors: Patterson
authors: David
authors: D
authors: Reich
authors: Chris
authors: C
authors: Tyler-Smith
authors: Lalji
authors: L
authors: Singh
authors: Kumarasamy
authors: K
authors: Thangaraj
mesh_terms: D017954:Africa South of the Sahara; D000483:Alleles; D044466:Asian People / Q000235:genetics; D044383:Black People / Q000235:genetics*; D041322:Chromosomes, Human, Y; D004272:DNA, Mitochondrial; D005787:Gene Frequency; D005819:Genetic Markers; D014644:Genetic Variation; D005828:Genetics, Population / Q000706:statistics & numerical data*; D006239:Haplotypes; D006801:Humans; D007194:India; D008969:Molecular Sequence Data; D010375:Pedigree; D044465:White People / Q000235:genetics*
chemical_list: D004272:DNA, Mitochondrial; D005819:Genetic Markers