Affected gene: CNGA1
Inheritance: Autosomal Recessive
Mutation: CanFam3.1 13g.43831897_43831900del c.1752_1755del p.(T585Sfs*7) Del4pb
OMIA link: 001977-9615

Appropriate breeds for testing: Shetland Sheepdog

References:
Wiik, A.C., Ropstad, E.O., Ekesten, B., Karlstam, L., Wade, C.M., Lingaas, F.:
Progressive retinal atrophy in Shetland sheepdog is associated with a mutation in the CNGA1 gene. Anim Genet 46:515-21, 2015. Pubmed reference: 26202106. DOI: 10.1111/age.12323.