Two 75-cm2 flasks of ependymal cells derived from ten E18.5 C57BL/6J mouse embryos at the day 10 post serum starvation were harvested and motile cilia were collected for mass spectrometry analysis.
As animals evolved from external to internal fertilization, sperm flagella, which once transiently propelled sperm in water to reach nearby eggs, developed to beat for days or even longer within the female reproductive tract. How flagella were remodeled accordingly remains unclear. Unlike externally...
