To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 4 Binding of sperm protein Izumo1 and its egg receptor Juno drives Cd9 accumulation in the intercellular contact area prior to fusion during mammalian fertilization M. Chalbi, V. Barraud-Lange, B. Ravaux, K. Howan, N. Rodriguez, P. Soule, A. Ndzoudi, C. Boucheix, E. Rubinstein, J. P. Wolf, A. Ziyyat, E. Perez, F. Pincet, and C. Gourier Development 2014. 141:3732-3739; doi: 10.1242/dev.111534 Download Original Video