1. Evidence for participation of sperm proteinases in fertilization of the solitary ascidian, Halocynthia roretzi: Effects of protease inhibitors;Hoshi;Dev. Biol.,1981
2. Purification and characterization of two types of trypsin-like enzymes from sperm of the ascidian (Prochordata) Halocynthia roretzi. Evidence for the presence of spermosin, a novel acrosin-like enzyme;Sawada;J. Biol. Chem.,1984
3. Evidence for acrosin-like enzyme in sperm extract and its involvement in fertilization of the ascidian. Halocynthia roretzi;Sawada;Gamete Res.,1982
4. Evidence for the participation of two sperm proteases, spermosin and acrosin, in fertilization of the ascidian, Halocynthia roretzi: inhibitory effects of leupeptin analogs on enzyme activities and fertilization;Sawada;Dev. Biol.,1984
5. Substrate specificity of ascidian sperm trypsin-like proteases, spermosin and acrosin;Sawada;Mol. Reprod. Develop.,1996