The Course of Malaria in Mice: Major Histocompatibility Complex (MHC) Effects, but No General MHC Heterozygote Advantage in Single-Strain Infections
Author(s) -
Claus Wedekind,
Mirjam Walker,
Tom J. Little
Publication year - 2005
Publication title -
genetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.792
H-Index - 246
eISSN - 1943-2631
pISSN - 0016-6731
DOI - 10.1534/genetics.105.040683
Subject(s) - heterozygote advantage , biology , major histocompatibility complex , congenic , genetics , compound heterozygosity , malaria , parasite hosting , haplotype , phenotype , strain (injury) , immunology , immune system , allele , gene , anatomy , world wide web , computer science
A general MHC-heterozygote advantage in parasite-infected organisms is often assumed, although there is little experimental evidence for this. We tested the response of MHC-congenic mice (F2 segregants) to malaria and found the course of infection to be significantly influenced by MHC haplotype, parasite strain, and host gender. However, the MHC heterozygotes did worse than expected from the average response of the homozygotes.
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