Hertwig effect caused by UV-irradiation of sperm of Oryzias latipes (teleost) and its photoreactivation.

Abstract

When sperm of the fish Oryzias latipes were irradiated with ultraviolet light and allowed to fertilize normal eggs, the so-called "Hertwig effect" was observed, with a dose-dependent decrease in survival rate at low doses (0-27 J . m-2) but a better survival rate at higher dose ranges. Illumination with visible light after fertilization (10-70 min after… (More)

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