THE LOCUS ENCODING alphaA-CRYSTALLIN IS CLOSELY LINKED TO H-2K ON MOUSE CHROMOSOME 17

1 Laboratory of Genetics, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709

We have used a complementary DNA (cDNA) for mouse alphaA-crystallin to probe genomic DNA for restriction fragment length polymorphisms which could be used to map the alphaA-crystallin gene locus (Acry-1) in the mouse genome. Ten of 12 restriction endonucleases produced fragment polymorphism among various inbred strains of mice. A comprehensive strain survey conducted with six endonucleases resulted in the discovery of six allelic forms of Acry-1. Linkage analysis was conducted on DNA from three sets of recombinant inbred strains of mice and demonstrated close linkage of Acry-1 with the major histocompatibility complex (H-2) on chromosome 17. Analysis of congenic and recombinant congenic strains of mice confirmed the linkage of Acry-1 and H-2 and located the alphaA gene to the region between glyoxylase (Glo-1) and H-2K.

Submitted on March 8, 1985
Accepted on April 11, 1985




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