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Africans in Yorkshire? The deepest-rooting clade of the Y phylogeny within an English genealogy.


ABSTRACT: The presence of Africans in Britain has been recorded since Roman times, but has left no apparent genetic trace among modern inhabitants. Y chromosomes belonging to the deepest-rooting clade of the Y phylogeny, haplogroup (hg) A, are regarded as African-specific, and no examples have been reported from Britain or elsewhere in Western Europe. We describe the presence of an hgA1 chromosome in an indigenous British male; comparison with African examples suggests a Western African origin. Seven out of 18 men carrying the same rare east-Yorkshire surname as the original male also carry hgA1 chromosomes, and documentary research resolves them into two genealogies with most-recent-common-ancestors living in Yorkshire in the late 18th century. Analysis using 77 Y-short tandem repeats (STRs) is consistent with coalescence a few generations earlier. Our findings represent the first genetic evidence of Africans among 'indigenous' British, and emphasize the complexity of human migration history as well as the pitfalls of assigning geographical origin from Y-chromosomal haplotypes.

SUBMITTER: King TE 

PROVIDER: S-EPMC2590664 | biostudies-literature | 2007 Mar

REPOSITORIES: biostudies-literature

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Africans in Yorkshire? The deepest-rooting clade of the Y phylogeny within an English genealogy.

King Turi E TE   Parkin Emma J EJ   Swinfield Geoff G   Cruciani Fulvio F   Scozzari Rosaria R   Rosa Alexandra A   Lim Si-Keun SK   Xue Yali Y   Tyler-Smith Chris C   Jobling Mark A MA  

European journal of human genetics : EJHG 20070124 3


The presence of Africans in Britain has been recorded since Roman times, but has left no apparent genetic trace among modern inhabitants. Y chromosomes belonging to the deepest-rooting clade of the Y phylogeny, haplogroup (hg) A, are regarded as African-specific, and no examples have been reported from Britain or elsewhere in Western Europe. We describe the presence of an hgA1 chromosome in an indigenous British male; comparison with African examples suggests a Western African origin. Seven out  ...[more]

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