氯化汞对淡水硬骨鱼斑点鳢某些消化酶的体内作用。
The in vivo effect of mercuric chloride on some digestive enzymes of a fresh water teleost fish, Channa punctatus.
作者信息
Sastry K V, Gupta P K
出版信息
Bull Environ Contam Toxicol. 1979 May;22(1-2):9-16. doi: 10.1007/BF02026899.
PMID:223701
Abstract
Alterations in the activities of alkaline phosphatase, acid phosphatase, glucose-6-phosphatase amylase, trypsin, pepsin, aminotripeptidase, glycylglycine dipeptidase and carnosinase due to exposure of Channa punctatus to a sublethal concentration (0.30 mg/L) of mercuric chloride by bath for 20 days have been studied in the different parts of the digestive system. Afall in the activities of the three phosphatases was recorded except for alkaline phosphatase which showed a slight elevation in activity in intestine and pyloric caeca. An increase in the activity of amylase and the two proteases was observed in all the portions of the digestive system. The three peptidases revealed a decrease in activity.
摘要
研究了通过浸浴方式使斑鳢暴露于亚致死浓度（0.30毫克/升）的氯化汞中20天，其消化系统不同部位中碱性磷酸酶、酸性磷酸酶、葡萄糖-6-磷酸酶、淀粉酶、胰蛋白酶、胃蛋白酶、氨基三肽酶、甘氨酰甘氨酸二肽酶和肌肽酶活性的变化。除碱性磷酸酶在肠道和幽门盲囊中活性略有升高外，三种磷酸酶的活性均有所下降。在消化系统的所有部位均观察到淀粉酶和两种蛋白酶的活性增加。三种肽酶的活性则有所降低。
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