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ECB-ART-34368
Science 1967 Nov 01;1583804:1052-3. doi: 10.1126/science.158.3804.1052.
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Starfish gonad: action and chemical identification of spawning inhibitor.

Ikegami S , Tamura S , Kanatani H .


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The gamete-shedding substance obtained from the radial nerves induces spawning when it is applied to the gonads of mature starfish in vivo and in vitro. A substance that inhibits the action of this spawning factor is present in both ovary and testis; it has been isolated from testis of Asterina pectinifera and chemically identified as L-glutamic acid.

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