Studies on the possible regulatory function of asterosaponins in oocyte maturation and early embryogenesis ofAsterias rubens
- 1 January 1979
- journal article
- research article
- Published by Taylor & Francis in International Journal of Invertebrate Reproduction
- Vol. 1 (5) , 307-316
- https://doi.org/10.1080/01651269.1979.10553328
Abstract
In contrast with what has been reported for a Japanese sea star, the oocytes of Asterias rubens contain high levels of asterosaponins at the time of spawning. Most of these saponins are bound to proteins and lipoproteins, only about 3 being in a free form. The saponin level does not decrease at germinal vesicle breakdown and meiotic maturation, whereas it may decrease slightly at fertilization. Evidence was obtained for a decrease of the level of saponins during early embryogenesis; the free-living larva also contains asterosaponins. No definite evidence was obtained that saponins exert a regulating function during maturation or embryogenesis.Keywords
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