Affected genes: SLC7A9
Transmission: Autosomal Dominant
Mutation: CanFam3.1 1 g.119211938G>A

Appropriate breed for testing: Miniature Pinscher

References:
Brons AK, Henthorn PS, Raj K, et al. (2013) SLC3A1 and SLC7A9 mutations in autosomal recessive or dominant canine cystinuria: a new classification system. J Vet Intern Med 27:1400-8. [pubmed/24001348]
Casal ML, Giger U, Bovee KC, Patterson DF. Inheritance of cystinuria and renal defect in newfoundlands. J Am Vet Med Assoc. 1995 Dec 15;207(12):1585-9.
Henthorn PS, Liu J, Gidalevich T, Fang J, Casal ML, Patterson DF, Giger U. Canine cystinuria: polymorphism in the canine SLC3A1 gene and identification of a nonsense mutation in cystinuric Newfoundland dogs. Hum Genet. 2000 Oct; 107(4):295-303.