Mapping of the beige (bg) gene on rat chromosome 17. |
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| Authors: | T Nishikawa M Nishimura |
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| Institution: | Institute for Experimental Animals, Hamamatsu University School of Medicine, Shizuoka, Japan. |
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| Abstract: | The rat beige (bg) autosomal recessive gene, causing Chediak-Higashi Syndrome (CHS) in rat, was mapped on Chr 17 by using synteny of rat to mouse and humans. The linkage between the beige gene and PCR-amplified microsatellite markers in (DA-bg x BN)F1 x DA-bg backcross progeny was analysed. The recombination frequency was 9.5% between Prl and Acrm and 19.1% between Acrm and bg. The proposed order of three genes is Prl-Acrm-bg. This rat bg gene was confirmed to be homologus to the beige (bg) gene of mouse located on Chr 13 and the CHS (Lyst) gene of man located on Chr 1 (1q43). |
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