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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN 印刷: 0018-8166
ISSN オンライン: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v40.i2.70
10 pages

Influence of the Environmental Conditions on Binding of Heavy Metals and Oxidative Decomposition of Biomolecules in Tissues of Anodonta cygnea (Bivalvia)

O. B. Stoliar
Ternopil Teachers Training Institute Ternopil, Ukraine
R. L. Mykhayliv
Ternopil State Pedagogical University, Ternopil (Ternopol), Ukraine
Ye. V. Mishchuk
Ternopil State Pedagogical University, Ternopil (Ternopol), Ukraine

要約

Distribution of Zn, Cu and Mn among thermostable proteins and other components in the digestive gland, gills, and mantle of the bivalve Anodonta cygnea depends on ambient conditions and is tissue-specific. Under the action of copper, its content in high-molecular thermostable proteins increases, which correlates with the changes in their UV spectra. At the same time, the zinc content in non-protein thermostable components increases. In mollusks living in a pond, the content of Mn as part of low-molecular thermostable components increases significantly. An array of metals in metallothioneins remains stable. The content of oxidative modifications of proteins is a sensitive tissue-specific indicator of conditions under which a mollusk exists.