Movie 1.

Lower motility of Iqchmu spermatozoa. Sperm motility was observed using a high-speed camera (200 frames/second). Cauda epididymis spermatozoa were incubated in TYH medium and motility was recorded after 10 min (non-capacitating) of incubation. The movies are played at 20 frames/second (1/10 speed). WT sperm.

An ancient testis-specific IQ motif-containing H gene regulates specific transcript isoform expression during spermatogenesis

Paula Navarrete-López, Marta Lombó, Maria Maroto, Eva Pericuesta, Raúl Fernández-González, Priscila Ramos-Ibeas, María Teresa Parra, Alberto Viera, José Ángel Suja, and Alfonso Gutiérrez-Adán

Development 2023. 150:None-None; doi: 10.1242/dev.201334