A Comparative FISH Mapping of LCA5L Gene in Cattle, Sheep, and Goats

In this study, chromosomal position and nucleotide sequencing of the LCA5L exons were analyzed in cattle, sheep, and goats. Using fluorescence in situ hybridization, the LCA5L gene was localized at the distal region of BTA1q44 in cattle, OAR1q43 in sheep, and CHI1q44 in goats. Sequencing of selected LCA5L exons revealed a high identity of the gene that was in accordance with the previously described high homology of autosomes in Bovidae. Three silent single nucleotide polymorphisms (SNPs) were found: a mismatch at position 1016 (A/G) in bovine exon 4 (rs109149293) and two newly identified mutations at position 1903 (C/T) and 137094787 (C/T) in sheep and goats, respectively.