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Sex-Specific Differences in the Toxic Effects of Heavy Fuel Oil on Sea Urchin ( Strongylocentrotus intermedius )

Author

Listed:
  • Xuanbo Wang

    (College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China)

  • Hang Ren

    (College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China)

  • Xishan Li

    (College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China)

  • Huishu Chen

    (College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China)

  • Zhonglei Ju

    (College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China)

  • Deqi Xiong

    (College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China)

Abstract

The purpose of this study was to explore and compare the sex-specific differences in the toxic effects of water-accommodated fractions of 380# heavy fuel oil (HFO WAF) on the sea urchin Strongylocentrotus intermedius . Sea urchins were acutely exposed to HFO WAF at different nominal concentrations (0%, 10% and 20%) for seven days. The results showed that females had a higher polycyclic aromatic hydrocarbons (PAHs) bioaccumulation in gonad tissues and that both the total antioxidant capacity (TAC) and lipid peroxidation (LPO) levels in the gonad tissues of females were much higher than those of males. The PAHs bioaccumulation in gametes indicated that parents’ exposure could lead to a transfer of PAHs to their offspring, and eggs had higher TAC and LPO than sperms. After maternal and paternal exposure to HFO WAF, the frequency of morphological abnormalities of the offspring was increased when compared to the control. Overall, these results indicated that maternal exposure to HFO WAF could cause more significantly toxic effects on sea urchins than paternal exposure could, which could lead to more significantly negative effects on their offspring.

Suggested Citation

  • Xuanbo Wang & Hang Ren & Xishan Li & Huishu Chen & Zhonglei Ju & Deqi Xiong, 2021. "Sex-Specific Differences in the Toxic Effects of Heavy Fuel Oil on Sea Urchin ( Strongylocentrotus intermedius )," IJERPH, MDPI, vol. 18(2), pages 1-9, January.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:2:p:499-:d:477589
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    References listed on IDEAS

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    1. Toshio Sekiguchi & Hiroshi Akitaya & Satoshi Nakayama & Takashi Yazawa & Michio Ogasawara & Nobuo Suzuki & Kazuichi Hayakawa & Shuichi Wada, 2020. "Effect of Polycyclic Aromatic Hydrocarbons on Development of the Ascidian Ciona intestinalis Type A," IJERPH, MDPI, vol. 17(4), pages 1-11, February.
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    Cited by:

    1. Xishan Li & Chengyan Wang & Nan Li & Yali Gao & Zhonglei Ju & Guoxiang Liao & Deqi Xiong, 2021. "Combined Effects of Elevated Temperature and Crude Oil Pollution on Oxidative Stress and Apoptosis in Sea Cucumber ( Apostichopus japonicus , Selenka)," IJERPH, MDPI, vol. 18(2), pages 1-16, January.

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