Antioxidant enzymes in sea cucumber Apostichopus japonicus (Selenka) during aestivation
文献类型: 外文期刊
第一作者: Wang Fangyu
作者: Wang Fangyu;Yang, Yang Hongsheng;Wang Xiaoyu;Kun, Xing;Fei, Gao;Wang Fangyu;Wang Xiaoyu;Kun, Xing
作者机构:
关键词: antioxidant defence;aestivation;Apostichopus japonicus
期刊名称:JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM ( 影响因子:1.394; 五年影响因子:1.577 )
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收录情况: SCI
摘要: To evaluate the effect of antioxidant defence in coelomic fluid of sea cucumber, Apostichopus japonicus in aestivation was studied in the field from July to November 2006 in Qingdao. During the sampling period, activities of superoxide dismutase and catalase increased significantly in August and November. Activities of glutathione reductase and glutathione decreased significantly in August and increased significantly in November and activities of Se-glutathione peroxidase increased significantly in August. There were no significant differences in total glutathione peroxidase. In relation to the water temperature in the field, it is known that the oxygen consumption rate dropped and antioxidant defence was enhanced in August. The structure and function of respiratory trees of A. japonicus were completely vivified as normal in November, and it is suggested that antioxidant defence was enhanced because of the sharp change of oxygen consumption. Data indicate that both enzymatic and metabolite antioxidant defences in sea cucumber are adaptable systems that are modulated during pre-aestivating stage and arousing stage.
分类号: Q17
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