Genetic analysis of three loci homologous to human G9a: evidence for linkage of a class III gene with the chicken MHC

C. A. Spike, S. J. Lamont

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Abstract

The cDNA clones of two newly discovered genes in the class III region of the human major histocompatibility complex (MHC) were hybridized to chicken DNA. One of these cDNA clones (pG9a‐4C7), which detects the single‐copy human G9a (BAT8) gene, gave a repeatable restriction pattern. This heterologous cDNA clone was used to detect and map three different PstI restriction fragment length polymorphisms among the two internationally recognized chicken reference populations. Two of the loci were unlinked to previously mapped markers, but one polymorphism cosegregated with the EaB locus in the Compton mapping population. These results provide evidence that some genes of the mammalian class III region, such as G9a, may be linked to the MHC in chickens. 1995 Stichting International Foundation for Animal Genetics

Original languageEnglish (US)
Pages (from-to)185-187
Number of pages3
JournalAnimal Genetics
Volume26
Issue number3
DOIs
StatePublished - Jun 1995

Keywords

  • G9a
  • RFLP
  • chicken gene mapping
  • class III MHC

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