Article
Divergent Allele Advantage at Human MHC Genes: Signatures of Past and Ongoing Selection.
Molecular biology and evolution - 1 Sept 2018
Pierini Federica, Lenz Tobias L
Abstract excerpt
The highly polymorphic genes of the major histocompatibility complex (MHC) play a key role in adaptive immunity. Divergent allele advantage, a mechanism of balancing selection, is proposed to contribute to their exceptional polymorphism. It assumes that MHC genotypes with more divergent alleles allow for broader antigen-presentation to immune effector cells, by that increasing immunocompetence. However, the...
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