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

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 ma...

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Veröffentlicht in:	Biochemical and biophysical research communications 2012-08, Vol.425 (3), p.595-598
Hauptverfasser:	Hoshi, Motonori, Moriyama, Hideaki, Matsumoto, Midori
Format:	Artikel
Sprache:	eng
Schlagworte:	Acrosome Reaction Animals ARIS glycans ARIS proteins Asteroidea Cephalochordata Echinodermata Echinoidea Marine Molecular Structure Polysaccharides - chemistry Polysaccharides - metabolism Sperm-Ovum Interactions Starfish - metabolism Starfish - physiology Starfish egg jelly Sulfated glycans Superstructure modeling
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Zusammenfassung:	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.
ISSN:	0006-291X 1090-2104
DOI:	10.1016/j.bbrc.2012.08.033