An intronic variant in Ferredoxin Reductase (FDXR) creates a cryptic exon in Quarter Horses with Equine Juvenile Spinocerebellar Ataxia. - Brown, Briana N.; Dahlgren, Anna R.; Ghosh, Sharmila; Durbin-Johnson, Blythe; Willis, Andrew; Olivas, Cassandra; York, Daniel; Grahn, Robert; Bellone, Rebecca R.; Cortopassi, Gino A.; Miller, Andrew D.; Brown, C. Titus; et al. (PLoS Genetics, 2026)