Sperm motility in the Pacific oyster (Crassostrea gigas) is affected by nonylphenol |
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| Authors: | Nice H E |
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| Institution: | School of Biological Sciences, Royal Holloway, University of London, Egham Surrey TW20 0EX, UK |
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| Abstract: | Nonylphenol, a widespread aquatic pollutant with endocrine-disrupting potential has been found to affect sperm motility in the Pacific oyster, Crassostrea gigas (Thunberg). This marine invertebrate, a global aquaculture species, was exposed to nonylphenol at concentrations of 1 and 100 μg l?1 for a duration of 72 h during the period of gametogenesis. Growth was monitored at regular intervals until sexual maturity when sperm motility was assessed. The growth rate of C. gigas remained unaffected by exposure to nonylphenol during gametogenesis. However, the number of individuals with motile sperm was significantly reduced. |
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| Keywords: | Nonylphenol Endocrine disruption Sperm motility Crassostrea gigas Aquaculture Wastewater toxicity |
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