Exon Primer sequence (5’-3’) : forward/reverse VSX2-1 GTGATTGGCTGCTCAGCTCT/ GGCCTGGCAGGAACTTTT VSX2-2 CTTCCTGGGGAGACAGAGC/ CGAAAATAGGGTCCGAGAGA VSX2-3 CCAGGAGACACAGAGGAAGG/ CAAGCACATGCCCACAGT VSX2-4 ACAGAGGGCACCATGGAGTA/ CTCTCCTGCTAGGCTGCTGT VSX2-5 AAGGCTTTCTGCTCGTCCTT/ TGTCTCAGCATGGTCCAGAG

Table 1: Primers used for PCR amplification and direct sequencing of VSX2 coding exons and intronic junctions.