Supplementary Table 1. Primary and secondary antibodies used for retinal immunohistochemistry. Target antigen Primary antibody details and working dilution Manufacturer Targeted cell population Secondary antibody and concentration (all from Invitrogen Corp, Carlsbad, CA) Cone arrestin (LUMif)1 Rabbit polyclonal 1:5000 Kind gift of Cheryl M. Craft, University of Southern California Cone photoreceptors2 Alexafluor 546 goat anti-rabbit 1:500 Green fluorescent protein Rabbit FITC conjugated, 1:1000 Invitrogen Corp, Carlsbad, CA GFP transduced cells2 N/A L/M-opsin Rabbit polyclonal 1:500 Millipore, Billerica, MA L/M-cone outer segments3 Alexafluor 546 goat anti-rabbit 1:500 S-opsin Rabbit polyclonal 1:500 Millipore, Billerica, MA S-cone outer segments2 Alexafluor 546 goat anti-rabbit 1:500 Protein kinase C alpha Mouse monoclonal 1:500 BD Biosciences, San Diego, CA Rod bipolar cells2 Alexafluor 546 goat antimouse 1:500 Neuronal Nuclei Mouse monoclonal 1:2000 Millipore, Billerica, MA Ganglion and Amacrine cells4 Alexafluor 546 goat antimouse 1:500 Laminin5 Rabbit polyclonal Dako, Carpinteria, CA Inner limiting membrane6 N/A 1. Li A, Zhu X, Brown B, Craft CM. Gene expression networks underlying retinoic acid-induced differentiation of human retinoblastoma cells. Invest Ophthalmol Vis Sci 2003; 44(3): 996-1007. 2. Mowat FM, Gornik KR, Dinculescu A, Boye SL, Hauswirth WW, Petersen-Jones SM et al. Tyrosine capsid-mutant AAV vectors for gene delivery to the canine retina from a subretinal or intravitreal approach. Gene Ther 2014; 21(1): 96-105. 3. Mowat FM, Breuwer AR, Bartoe JT, Annear MJ, Zhang Z, Smith AJ et al. RPE65 gene therapy slows cone loss in Rpe65-deficient dogs. Gene Ther 2012; 20: 545-555. 4. Johansson UE, Eftekhari S, Warfvinge K. A battery of cell- and structure-specific markers for the adult porcine retina. J Histochem Cytochem 2010; 58(4): 377-89. 5. Zarfoss MK, Klauss G, Newkirk K, Kiupel M, Jones Y, Colitz CM et al. Uveal spindle cell tumor of blue-eyed dogs: an immunohistochemical study. Vet Pathol 2007; 44(3): 276-84. 6. Dalkara D, Kolstad KD, Caporale N, Visel M, Klimczak RR, Schaffer DV et al. Inner limiting membrane barriers to AAV-mediated retinal transduction from the vitreous. Mol Ther 2009; 17(12): 2096-102.