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Effects of Cadmium on Bioaccumulation, Bioabsorption, and Photosynthesis in Sarcodia suiae

Author

Listed:
  • Tai-Wei Han

    (Department of Environmental Biology and Fisheries Science, National Taiwan Ocean University, Keelung 20224, Taiwan)

  • Chung-Chih Tseng

    (Department of Dentistry, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung 81357, Taiwan
    Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan)

  • Minggang Cai

    (College of Ocean and Earth Science, Xiamen University, Xiamen 361102, China)

  • Kai Chen

    (College of Ocean and Earth Science, Xiamen University, Xiamen 361102, China)

  • Sha-Yen Cheng

    (Department of Environmental Biology and Fisheries Science, National Taiwan Ocean University, Keelung 20224, Taiwan)

  • Jun Wang

    (Department of Biological Technology, Xiamen Ocean Vocational College, Xiamen 361102, China)

Abstract

This study investigated the changes in bioaccumulation, bioabsorption, photosynthesis rate, respiration rate, and photosynthetic pigments (phycoerythrin, phycocyanin, and allophycocyanin) of Sarcodia suiae following cadmium exposure within 24 h. The bioabsorption was significantly higher than the bioaccumulation at all cadmium levels ( p < 0.05). The ratios of bioabsorption/bioaccumulation in light and dark bottles were 2.17 and 1.74, respectively, when S. suiae was exposed to 5 Cd 2+ mg/L. The chlorophyll a (Chl-a) concentration, oxygen evolution rate (photosynthetic efficiency), and oxygen consumption rate (respiratory efficiency) decreased with increasing bioaccumulation and ambient cadmium levels. The levels of bioaccumulation and bioabsorption in light environments were significantly higher than those in dark environments ( p < 0.05). In addition, the ratios of phycoerythrin (PE)/Chl-a, phycocyanin (PC)/Chl-a, and allophycocyanin (APC)/Chl-a were also higher in light bottles compared to dark bottles at all ambient cadmium levels. These results indicated that the photosynthesis of seaweed will increase bioaccumulation and bioabsorption in a cadmium environment.

Suggested Citation

  • Tai-Wei Han & Chung-Chih Tseng & Minggang Cai & Kai Chen & Sha-Yen Cheng & Jun Wang, 2020. "Effects of Cadmium on Bioaccumulation, Bioabsorption, and Photosynthesis in Sarcodia suiae," IJERPH, MDPI, vol. 17(4), pages 1-12, February.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:4:p:1294-:d:321763
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    Cited by:

    1. Chia-Ching Chang & Chung-Chih Tseng & Tai-Wei Han & Beta Susanto Barus & Jhih-Yang Chuech & Sha-Yen Cheng, 2023. "Effects of Lead and Zinc Exposure on Uptake and Exudation Levels, Chlorophyll-a, and Phycobiliproteins in Sarcodia suiae," IJERPH, MDPI, vol. 20(4), pages 1-16, February.

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