Article
Tracing the origin of HLA-DRB1 alleles by microsatellite polymorphism.
American journal of human genetics - 1 Jun 1999
Bergström T F, Engkvist H, Erlandsson R, Josefsson A, Mack S J, Erlich H A, Gyllensten U
Abstract excerpt
We analyzed the origin of allelic diversity at the class II HLA-DRB1 locus, using a complex microsatellite located in intron 2, close to the polymorphic second exon. A phylogenetic analysis of human, gorilla, and chimpanzee DRB1 sequences indicated that the structure of the microsatellite has evolved, primarily by point mutations, from a putative ancestral (GT)x(GA)y-complex-dinucleotide repeat. In all...
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