重金属离子对弗吉尼亚原螯虾繁殖能力和代谢酶活性的影响(Lyko,2017)

O. Marenkov, M. Prychepa, J. Kovalchuk
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引用次数: 2

摘要

以大理石纹小龙虾原螯虾(procambarusvirginalis, Lyko, 2017)为实验对象,研究了不同浓度重金属离子对其生理状态和酶活性的慢性影响。结果表明,在所调查的重金属中,镍离子对甲壳类动物的体重指标和死亡率影响最大。研究结果表明,锰、铅、镍离子对大理石纹螯虾个体生化参数的影响显著。乳酸脱氢酶活性变化最显著的是锰和镍离子对肌肉组织的影响。测定了重金属离子对大理石纹螯虾肌肉中琥珀酸脱氢酶活性的影响。碱性磷酸酶在锰、铅、镍离子影响下活性变化的研究有其自身的特点,表明细胞膜组织中存在一定的违逆。酶活性的变化也反映在总蛋白质含量上。这些参数的变化可能表明甲壳类动物对重金属毒性作用的快速生化反应。
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The Influence of Heavy Metal Ions on the Viability and Metabolic Enzyme Activity of the Marbled Crayfish Procambarus virginalis (Lyko, 2017)
In the experiment with marbled crayfishProcambarusvirginalis(Lyko, 2017), chronic effects of various concentrations of heavy metal ions on the physiological state and enzyme activity were investigated. The obtained results showed that among the investigated heavy metals nickel ions influenced the weight indexes and mortality of crustaceans the most negatively. According to the results of the research, significant changes were noted in the individual biochemical parameters of marbled crayfish under the influence of manganese, lead and nickel ions. The most significant changes in the activity of lactate dehydrogenase were detected in muscle tissues affected by manganese and nickel ions. A significant decrease in the activity of succinate dehydrogenase in muscle of marbled crayfish was determined after the action of heavy metal ions. Investigation of changes in the activity of alkaline phosphatase under the influence of the ions of manganese, lead and nickel has its own characteristics, which indicates certain violations in the tissues of cell membranes. Changes in the activity of enzymes were also reflected in the overall protein content. Changes in these parameters may indicate a rapid biochemical response of crustaceans to the toxic effects of heavy metals.
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International Letters of Natural Sciences
International Letters of Natural Sciences MULTIDISCIPLINARY SCIENCES-
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