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  • Title: A class I jumping clone places the HLA-G gene approximately 100 kilobases from HLA-H within the HLA-A subregion of the human MHC.
    Author: Shukla H, Gillespie GA, Srivastava R, Collins F, Chorney MJ.
    Journal: Genomics; 1991 Aug; 10(4):905-14. PubMed ID: 1916822.
    Abstract:
    By the combination of cosmid cloning, chromosomal jumping, and pulsed-field gel electrophoresis (PFGE), we have fine-mapped the HLA-A subregion of the human major histocompatibility complex (MHC). Through the isolation of a class I jumping clone, the Q alpha-like HLA-G class I gene has been placed within 100 kb of HLA-H. The tight physical linkage of these class I genes has been further supported by hybridizing PFGE blots with locus-specific probes. It has been found that both of the above class I genes are linked to HLA-A, with HLA-H residing no more than 200 kb from the HLA-A gene. These data support the possible existence of a Q alpha-like subregion composed of nonclassical HLA class I genes within the human MHC linked telomerically to the HLA-A locus.
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