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Respiratory stimulation of sea urchin spermatozoa by egg extracts, egg jelly extracts and egg jelly peptides from various species of sea urchins: Taxonomical significance

✍ Scribed by Norio, Suzuki; Motonori, Hoshi; Kohji, Nomura; Saburo, Isaka

Book ID
122557907
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
622 KB
Volume
72
Category
Article
ISSN
0300-9629

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## Abstract A sperm‐activating substance (SAS) was obtained from the jelly coat of sea‐urchin ova and its chemical properties were investigated in three seaurchin species. The SAS was partially purified from the jelly coat of __pseudocentrotus__ eggs through several steps of purification by procedu