Structure of acrosome reaction-inducing substance in the jelly coat of starfish eggs: A mini review

Motonori Hoshi, Hideaki Moriyama, Midori Matsumoto

Research output: Contribution to journalArticle

13 Citations (Scopus)


Our knowledge at present on the structure of acrosome-reaction inducing substance (ARIS) in the jelly coat of starfish eggs is summarized. ARIS ia a proteoglycan-like molecule consisting of very long, linear, and highly sulfated glycans and three ARIS proteins, ARIS1-3. Detailed structures of the major glycan of ARIS and of ARIS1-3 are discussed. 3D-models of ARIS glycans are also presented. Phylogenetic distribution of ARIS proteins and/or genes indicates that ARIS genes are well preserved from the Ctenophore to Cephalochordata. In the Echinodermata, ARIS1-3 and ARIS genes were detected in all classes except for sea urchins.

Original languageEnglish
Pages (from-to)595-598
Number of pages4
JournalBiochemical and Biophysical Research Communications
Issue number3
Publication statusPublished - 2012 Aug 31



  • Acrosome reaction
  • ARIS glycans
  • ARIS proteins
  • Starfish egg jelly
  • Sulfated glycans
  • Superstructure modeling

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Cell Biology
  • Molecular Biology

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