Impaired behavior and changes in some biochemical markers of bivalve (Ruditapes decussatus) due to zinc toxicity

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Soliman M.F.M.; El-Shenawy N.S.; Tadros M.M.; Abd El-Azeez A.A.

Journal: Toxicological and Environmental Chemistry

Publisher: Taylor and Francis Ltd.

Publication Date: 3 July 2015

Volume / Issue: Volume 97 / Issue 5

Pages: 674–686

ISSN: 2772248

DOI: 10.1080/02772248.2015.1058381

Scopus: View on Scopus

Document Type: Article

Authors and Affiliations

Soliman M.F.M., Zoology Department, Suez Canal University, Ismailia, Egypt; El-Shenawy N.S., Zoology Department, Suez Canal University, Ismailia, Egypt; Tadros M.M., Medical Malacology Department, Theodor Bilharz Research Institute, Giza, Egypt; Abd El-Azeez A.A., Medical Malacology Department, Theodor Bilharz Research Institute, Giza, Egypt

Abstract

Susceptibility and response of bivalves, the clam Ruditapes decussatus, to zinc (Zn) were studied by monitoring behavior using valve movement and some biochemical parameters. The LC50 was 4.1 mg L−1 at 7 days. Depuration of Zn from their tissues was also followed. Accumulation of Zn increased with concentration and duration of exposure. After 20 days, Zn caused impairment of valve movement as well as the antioxidant system, decreasing glutathione and protein levels and increasing the lipid peroxidation which is indicative of oxidative damage. Results suggested that behavior and biochemical parameters of clam R. decussatus were sensitive and suitable responses for assessing the effects of Zn on the aquatic ecosystems. It could be concluded that there is a time–dose–response relationship of Zn with behavior and oxidative stress of R. decussatus. © 2015 Taylor & Francis.

Keywords

depuration; glutathione; lipid peroxidation; valve movement; zinc; Bivalvia; Venerupis (Ruditapes) decussatus; Aquatic ecosystems; Lipids; Oxidation; Oxidative stress; Peptides; Shellfish; Antioxidant systems; Biochemical parameters; Glutathiones; Monitoring behaviors; Ruditapes decussatus; aquatic ecosystem; behavioral ecology; bioaccumulation; biochemical composition; biomarker; bivalve; dose-response relationship; pollution exposure; protein; toxicity; Molluscs

Citation Information

Scopus Citations: 10

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