Shared polymorphism between gorilla and human major histocompatibility complex DRB loci

Heike Kupfermann, Werner E. Mayer, Colm O'hUigin, Dagmar Klein, Jan Klein

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

A high degree of polymorphism and high nucleotide diversity mark the functional genes of the major histocompatibility complex (Mhc). Alleles at the different Mhc loci can be classified into distinct lineages that are shared between species and, therefore, are presumed to have been founded before speciation. We have sequenced the most polymorphic part of 25 gorilla Mhc-DRB genes from six individuals. (The DRB genes code for the β-polypeptide chain of the αβ heterodimer that constitutes one family of the class II MHC molecules.) Fifteen of the sequences identify new alleles at four DRB loci; each of the six gorillas was heterozygous at one of the loci at least. Thirteen of the alleles could be assigned to lineages identified previously; the remaining two alleles represent new lineages. All the major human DRB allelic lineages are now known to be shared with apes, and all must have originated before the human-gorilla-chimpanzee divergence more than six million years (my) ago. The presence of some of the gorilla and human lineages in Old World monkeys suggests that these lineages emerged before the divergence of apes and cercopithecids. We argue that the major allelic lineages at the DRB1 locus began to diverge shortly after the rounds of duplication that generated the different DRB loci now found in the hominoids and that this event occurred more than 30 my ago. Comparison of closely related gorilla DRB sequences indicates that polymorphism may be generated by several mechanisms: point mutations, slippage during DNA replication, and recombination. Deduced gene linkages provide evidence for transspecies evolution of haplotype polymorphism.

Original languageEnglish (US)
Pages (from-to)267-278
Number of pages12
JournalHuman Immunology
Volume34
Issue number4
DOIs
StatePublished - Jan 1 1992

Fingerprint

Dichlororibofuranosylbenzimidazole
Gorilla gorilla
Major Histocompatibility Complex
Alleles
Hominidae
Genes
Cercopithecidae
Pan troglodytes
DNA Replication
Point Mutation
Haplotypes
Genetic Recombination
Nucleotides
Peptides

All Science Journal Classification (ASJC) codes

  • Immunology
  • Immunology and Allergy

Cite this

Kupfermann, Heike ; Mayer, Werner E. ; O'hUigin, Colm ; Klein, Dagmar ; Klein, Jan. / Shared polymorphism between gorilla and human major histocompatibility complex DRB loci. In: Human Immunology. 1992 ; Vol. 34, No. 4. pp. 267-278.
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Kupfermann, H, Mayer, WE, O'hUigin, C, Klein, D & Klein, J 1992, 'Shared polymorphism between gorilla and human major histocompatibility complex DRB loci', Human Immunology, vol. 34, no. 4, pp. 267-278. https://doi.org/10.1016/0198-8859(92)90026-J

Shared polymorphism between gorilla and human major histocompatibility complex DRB loci. / Kupfermann, Heike; Mayer, Werner E.; O'hUigin, Colm; Klein, Dagmar; Klein, Jan.

In: Human Immunology, Vol. 34, No. 4, 01.01.1992, p. 267-278.

Research output: Contribution to journalArticle

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