Hostname: page-component-cd9895bd7-lnqnp Total loading time: 0 Render date: 2024-12-18T17:46:21.703Z Has data issue: false hasContentIssue false
  • English
  • Français

Acrosome reaction in starfish: signal molecules in the jelly coat and their receptors

Published online by Cambridge University Press:  16 July 2018

Motonori Hoshi ,
Takuya Nishigaki ,
Mayu Kawamura ,
Masako Ikeda ,
Jayantha Gunaratne ,
Shoichi Ueno ,
Manabu Ogiso ,
Hideaki Moriyama  and
Midori Matsumoto
Motonori Hoshi
Affiliation:
Department of Biosciences, Tokyo Institute of Technology, Yokohama 226-8501, Japan
Takuya Nishigaki
Affiliation:
Department of Biosciences, Tokyo Institute of Technology, Yokohama 226-8501, Japan
Mayu Kawamura
Affiliation:
Department of Biosciences, Tokyo Institute of Technology, Yokohama 226-8501, Japan
Masako Ikeda
Affiliation:
Department of Biosciences, Tokyo Institute of Technology, Yokohama 226-8501, Japan
Jayantha Gunaratne
Affiliation:
Department of Biosciences, Tokyo Institute of Technology, Yokohama 226-8501, Japan
Shoichi Ueno
Affiliation:
Department of Biosciences, Tokyo Institute of Technology, Yokohama 226-8501, Japan
Manabu Ogiso
Affiliation:
Department of Biosciences, Tokyo Institute of Technology, Yokohama 226-8501, Japan
Hideaki Moriyama
Affiliation:
Experimental Facilities Division, Spring 8, Hyogo 679-5198, Japan
Midori Matsumoto
Affiliation:
Department of Biosciences, Tokyo Institute of Technology, Yokohama 226-8501, Japan
Get access Rights & Permissions [Opens in a new window]

Extract

Animal eggs are generally encased in one or more extra-cellular coats that protect the egg from biological, chemical and mechanical hazards. These coats contain some essential molecules for sperm to fertilise an appropriate egg, such as the specific ligand for sperm binding and the specific signal for induction of the acrosome reaction. In starfish, the outermost egg coat is a relatively thick gelatinous layer called the jelly coat. When starfish sperm encounter the jelly coat of homologous eggs, they undergo the acrosome reaction within a second or less (Dale et al., 1981; Ikadai & Hoshi, 1981; Sase et al., 1995). We have thus searched the jelly coat for the signal molecule(s) that triggers the acrosome reaction in the starfish, Asterias amurensis. It is known that three components in the jelly coat, namely acrosome reaction-inducing substance (ARIS), Co-ARIS and asterosap, act in concert on homologous spermatozoa to elicit the acrosome reaction immediately and efficiently (Hoshi et al., 1994,1999).

ARIS alone induces the acrosome reaction only in high calcium or high pH seawater. In normal seawater, besides ARIS, either Co-ARIS or asterosap is required for the induction. Without ARIS, no combination of Co-ARIS and asterosap can induce the acrosome reaction in normal, high calcium or high pH seawater. A mixture of ARIS and Co-ARIS increases the intracellular Ca2+ level, whereas asterosap increases the intra-cellular pH (Matsui et al., 1986a, b; Nishigaki et al., 1996). These events are prerequisites for the induction of the acrosome reaction. Indeed, the triad of ARIS, CoARIS and asterosap provides the best conditions for the induction of the acrosome reaction in normal sea-water (Hoshi et al., 1994, 1999).

Type
Special Lecture for Citizens
Information
Zygote , Volume 8 , supplement S1: Proceedings of the International Symposium on Fertilization and Development of Sea Urchin and Marine Invertebrates , December 1999 , pp. S26 - S27
Copyright
Copyright © Cambridge University Press 1999

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Amano, T., Okita, Y., Okinaga, T., Matsui, T., Nishiyama, I. & Hoshi, M. (1992). Biochem. Biophys. Res. Commun. 187, 274–8.Google Scholar
Dale, B., Dan-Sohkawa, M., De Santis, A. & Hoshi, M. (1981). Exp. Cell Res. 132, 505–10.CrossRefGoogle Scholar
Fujimoto, Y., Yamada, T., Ikekawa, N., Nishiyama, I., Matsui, T. & Hoshi, M. (1987). Chem. Pharm. Bull. 35, 1829–32.Google Scholar
Hoshi, M., Amano, T., Okita, Y., Okinaga, T. & Matsui, T. (1990). In Mechanism of Fertilization: Plants to Humans, NATO ASI Series on Cell Biology vol. H45 (ed. Dale, B.), pp. 239–51. Berlin: Springer.Google Scholar
Hoshi, M., Nishigaki, T., Ushiyama, A., Okinaga, T., Chiba, K. & Matsumoto, M. (1994). Int. J. Dev. Biol. 38, 167–74.Google Scholar
Hoshi, M., Kawamura, M., Maruyama, Y., Yoshida, E., Nishigaki, T., Ikeda, M., Ogiso, M., Moriyama, Y. & Matsumoto, M. (1999). In The Male Gamete: From Basic Science to Clinical Applications (ed. Gagnon, C.), pp. 119–25. Vienna, IL: Cache River Press.Google Scholar
Ikadai, H. & Hoshi, M. (1981). Dev. Growth Differ. 23, 73–80.Google Scholar
Koyota, S., Wimalasiri, K.S.S. & Hoshi, M. (1997). J. Biol. Chem. 272, 10372–6.CrossRefGoogle Scholar
Longo, F.J., Ushiyama, A., Chiba, K. & Hoshi, M. (1995). Mol. Reprod. Dev. 41, 91–9.CrossRefGoogle Scholar
Matsui, T., Nishiyama, I., Hino, A. & Hoshi, M. (1986a). Dev. Growth Differ. 28, 349–57.Google Scholar
Matsui, T., Nishiyama, I., Hino, A. & Hoshi, M. (1986b). Dev. Growth Differ. 28, 358–68.Google Scholar
Matsumoto, M., Briones, A.V., Nishigaki, T. & Hoshi, M. (1999). Dev. Genet. 25, 130–6.Google Scholar
Nishigaki, T., Chiba, K., Miki, W. & Hoshi, M. (1996). Zygote 4, 237–45.CrossRefGoogle Scholar
Nishigaki, T., Chiba, K. & Hoshi, M. (2000). Dev. Biol. 219, 154–62.Google Scholar
Nishiyama, I., Matsui, T., Fujimoto, Y., Ikekawa, N. & Hoshi, M. (1987). Dev. Growth Differ. 29, 171–6.CrossRefGoogle Scholar
Sase, I., Okinaga, T., Hoshi, M., Feigenson, G.W. & Kinoshita, K. Jr (1995). J. Cell. Biol. 131, 963–73.CrossRefGoogle Scholar
Ushiyama, A., Araki, T., Chiba, K. & Hoshi, M. (1993). Zygote 1, 121–7.Google Scholar