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Characterization Of Canine Photoreceptor Phosducin Cdna And Identification Of A Sequence Variant In Dogs With Photoreceptor Dysplasia, Qi Zhang, Gregory M. Acland, Charles J. Parhsall, Jeanette Haskell, Kunal Ray, Gustavo D. Aguirre
Characterization Of Canine Photoreceptor Phosducin Cdna And Identification Of A Sequence Variant In Dogs With Photoreceptor Dysplasia, Qi Zhang, Gregory M. Acland, Charles J. Parhsall, Jeanette Haskell, Kunal Ray, Gustavo D. Aguirre
Gustavo D. Aguirre, VMD, PhD
Photoreceptor dysplasia (pd) is an autosomal recessive disease of miniature schnauzer dogs causing retinal degeneration. The disease is a homologue of retinitis pigmentosa, a group of genetically heterogeneous diseases, causing blindness in humans. A subtraction library was prepared from retinas of pd affected and age-matched normal control dogs to isolate de novo candidate genes for further examination. From the subtraction library, cDNA for phosducin (PDC), a member of the phototransduction pathway, was isolated as a transcript expressed at a higher level in the affected retina. First, the normal canine PDC cDNA was characterized to evaluate the PDC gene …