Waksman Institute and Department of Genetics, Rutgers University, 190 Frelinghuysen Road, Piscataway, NJ 08854, USA.
Meiotic maturation and ovulation rates in Caenorhabditis elegans are regulated by a sperm-released gradient of major sperm protein (MSP). Recent work has provided insights into the modulation of the MSP signal by the trafficking of its receptor in oocytes.