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구리(Cu) 노출에 따른 전복(Haliotis discus hannai )의 hemolymph 및 hepatopancreas 내의 생화학적 변화

Biochemical Changes in the Hemolymph and Hepatopancreas of Abalone Haliotis discus hannai Exposed to Copper

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초록

This study the effects of Cu exposure on biochemical factors in the hemolymph and hepatopancreas of the abalone Haliotis discus hannai. Abalone were exposed to 0, 5, 10, 20 and 40 μg/L Cu for 4 weeks. The calcium concentrations in hemolymph were decreased significantly on exposure to 20 and 40 μg/L Cu after 2 weeks. The aspartate aminotransferase (AST), alanine aminotransferase (ALT) and alkaline phosphatase (ALP) activities in abalone hemolymph were markedly elevated after exposure to 40 μg/L Cu for 4 weeks. The hepatopancreas superoxide dismutase (SOD) and catalase (CAT) activities were also significantly increased by exposure to 20 μg/L Cu for 4 weeks. These biochemical factors may represent a convenient method of monitoring heavy metal pollution in coastal areas. From these results, we conclude that a high copper concentration (40 μg/L) in water may curtail hemolymph homeostasis and anti-oxidative reactions in abalone.

Abstract

This study the effects of Cu exposure on biochemical factors in the hemolymph and hepatopancreas of the abalone Haliotis discus hannai. Abalone were exposed to 0, 5, 10, 20 and 40 μg/L Cu for 4 weeks. The calcium concentrations in hemolymph were decreased significantly on exposure to 20 and 40 μg/L Cu after 2 weeks. The aspartate aminotransferase (AST), alanine aminotransferase (ALT) and alkaline phosphatase (ALP) activities in abalone hemolymph were markedly elevated after exposure to 40 μg/L Cu for 4 weeks. The hepatopancreas superoxide dismutase (SOD) and catalase (CAT) activities were also significantly increased by exposure to 20 μg/L Cu for 4 weeks. These biochemical factors may represent a convenient method of monitoring heavy metal pollution in coastal areas. From these results, we conclude that a high copper concentration (40 μg/L) in water may curtail hemolymph homeostasis and anti-oxidative reactions in abalone.

참고문헌 (37)

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