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KMID : 0364219610040010007
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Korean Journal of Zoology
1961 Volume.4 No. 1 p.7 ~ p.12
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Study in the Respiratory Metabolism in Some Bivalves(II) on the Oxidative Metabolism and its Enzyme System in the Gill Tissue of the Fresh Water Mussel, Cristaria plicata spatiosa (CLESSIN)
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Han Moon-Hi
Kim Dong-Jun
Choi Hi-Chung
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Abstract
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1) Respiratory metabolism patterns and its enzyme systems in the gill tissue of the fresh water mussels, Cristaria plicata were investigated through the examination on the effects of respiratory enzyme inhibitors, (KCN, NAF) and succinoxidase assay, while studying the effects of neutral salts (NaCL, KCL, CaCl2) and pH on oxygen consumption of the gill tissue. 2) In the limited concentration of KCL (0.3mM) and NaCl (0.4mM) solutions, oxygen consumption of the intact gill tissue was accelerated, but in CaCl2(0.5mM) solution, it showed no significant effect. The oxygen consumption was gradually decreased at the above concentrations of these limitations. The optimum pH for the respiration of the gill was 7.3. 3)Cyanide in 10-8M solution inhibited 88.8% of the respiration of the intact gill tissue. Methylene blue accelerated the respiration of the noral gill tissue, and slightly but significantly reversed the cyaniide poisoned respiration. 4)Oxygen consumption of the gill homogenate was apparently increased by the mixed addition of succinate, cytochrome c and activators (AlCl3 and CaCl2). This results suggested that succinoxidase system acts on the respiratory pattern of the gil tissue. 5) It was able to recognize that the enolase, which acts on the anaerobic glycolytic system, participated in the tissue respiration of the gill for NaF in 5$\times$ 수식 이미지10-2 M solution inhibited 55.5% of the respiration of the same intact tissue.
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