ECB-ART-34450
Comp Biochem Physiol A Comp Physiol
1984 Jan 01;774:689-92. doi: 10.1016/0300-9629(84)90186-5.
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Activation of respiration in sea urchin spermatozoa by calcium ionophore A23187.
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The respiratory rate in spermatozoa of the sea urchin, Hemicentrotus pulcherrimus, in Na+-free seawater, where sperm are immotile and their respiration remains inactive, was stimulated by calcium ionophore A23187. Addition of ionophore A23187 to Na+-free seawater induced swimming as well as activating energy metabolism in sea urchin sperm. The increase of respiratory rate and the initiation of motility in sperm were independent of external Ca2+.
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Genes referenced: LOC100887844