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Hydrobiological Journal

年間 6 号発行

ISSN 印刷: 0018-8166

ISSN オンライン: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

Indexed in

The Role of Metallothioneins, Acting Individually and in Mixture, in Detoxification of Cu2+, Zn2+, and Mn2+ in Tissues of the Bivalve Mollusk Anodonta cygnea

巻 40, 発行 5, 2004, 12 pages
DOI: 10.1615/HydrobJ.v40.i5.90
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要約

The effects of 14-day exposure of Anodonta cygnea L. to relatively low concentrations of Zn2+, Mn2+, Cu2+ and their mixture with Pb2+ in water (0.1, 0.12,0.01, and 0.01 mg/L, respectively) were investigated. Each of these metals causes an increasing metal content in the digestive gland and gills; the contents of zinc and copper in the metallothioneins rise. The content of metallothioneins in the tissues also increases. Under the influence of zinc and manganese ions, the content of copper in the tissues and activation of the prooxidant processes decrease. UV-spectra of metallothioneins loose their characteristic features. The copper ions and the copper-containing mixture lead to increased contents of this metal in tissues, the rise of antioxidant defense, and to an increase in modifications of metallothioneins revealed by their studying in UV.

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