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  • Title: Effect of antimycin A on sensivitivy of fertilized sea urchin egg cells to embryotoxic analogs of serotonin.
    Author: Buznikov GA, Markova LN.
    Journal: Sov J Dev Biol; 1975 Jan; 5(1):63-5. PubMed ID: 1167982.
    Abstract:
    Antimycin A blocks cleavage divisions in concentrations 1-10-15-1-10-14 g/ml (experiments on Arbacia lixula) or 1-10-11-1-10-9 g/ml (experiments on sea urchins of the genus Strongylocentrotus). Subthreshold and threshold concentrations of this antibiotic do not affect the sensitivity of fertilized Strongylocentrotus intermedius to 1-benzyl-2, 5-dimethylserotonin, but increase their sensitivity to 5-butyltryptamine by a factor of 3-5. These data provide the basis for a discussion of the possible nature of the reception of serotonin and other low-molecular-weight regulators of early embryogenesis.
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