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Wiley InterScience | ||||||||||||
  Animal GeneticsVolume 37 Issue 2, Pages 175 - 178 Published Online: 20 Jan 2006 Journal compilation © 2010 Stichting International Foundation for Animal Genetics Published on behalf of the International Society for Animal Genetics
Abstract | References | Full Text: HTML, PDF (Size: 484K) | Related Articles | Citation Tracking  SHORT COMMUNICATION Albinism in the domestic cat (Felis catus) is associated with a tyrosinase (TYR) mutation Re-use of this article is permitted in accordance with the Creative Commons Deed, Attribution 2.5, which does not permit commercial exploitation. Copyright 2006 The Authors, Journal compilation 2006 International Society for Animal Genetics KEYWORDS albinism • cat •
tyrosinase
ABSTRACTAlbino phenotypes are documented in a variety of species including the domestic cat. As albino phenotypes in other species are associated with tyrosinase (TYR) mutations, TYR was proposed as a candidate gene for albinism in cats. An Oriental and Colourpoint Shorthair cat pedigree segregating for albinism was analysed for association with TYR by linkage and sequence analyses. Microsatellite FCA931, which is closely linked to TYR and TYR sequence variants were tested for segregation with the albinism phenotype. Sequence analysis of genomic DNA from wild-type and albino cats identified a cytosine deletion in TYR at position 975 in exon 2, which causes a frame shift resulting in a premature stop codon nine residues downstream from the mutation. The deletion mutation in TYR and an allele of FCA931 segregated concordantly with the albino phenotype. Taken together, our results suggest that the TYR gene corresponds to the colour locus in cats and its alleles, from dominant to recessive, are as follows: C (full colour) > c Accepted for publication 20 November 2005 | 
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