苯并(a)芘对大弹涂鱼肝脏过氧化氢酶活性的影响

生态学杂志 ›› 2001, Vol. ›› Issue (5): 73-75.

苯并(a)芘对大弹涂鱼肝脏过氧化氢酶活性的影响

冯涛¹, 郑微云¹, 郭祥群², 陈荣¹

1. 厦门大学环境科学研究中心, 厦门 361005;
2. 厦门大学化学系, 厦门 361005

收稿日期:2000-07-24 修回日期:2001-06-25 出版日期:2001-10-10
通讯作者:
基金资助:
高等学校博士学科点专项科研基金项目(49876029)资助

Effects of Catalase Activities in the Liver of Boleophthalmus Pectinirostris with Benzo(a) Pyrene Exposure

Feng Tao¹, Zheng Weiyun¹, Chen Rong², Guo Xiangqun¹

1. Environmental Science Research Center of Xiamen University, Xiamen 361005;
2. Chemistry Department of Xiamen Unviversity, Xiamen 361005

Received:2000-07-24 Revised:2001-06-25 Online:2001-10-10

摘要/Abstract

关键词: 重金属, 铅胁迫, 吸收, 转运, 累积, 解毒机制

Abstract: Changes of catalase(CAT) activities in the liver of Boleophthalmus pectinirostris with benzo(a)pyrene(BaP) exposure are detected in experimental condition The results show that there is no significant changes for CAT activities in control group and 005mg·L^-1 BaP group with prolonged exposure ( P > 0.05) whereas they are depressed significantly at concentration of 0.5mg·L^-1 ( P ≤0.05) In 3 days exposure CAT activities decrease significantly with the increase of BaP concentration ( P ≤0.05) This might indicate that exposure to higher BaP concentrations might have toxic effect to fishes The activities of CAT increase significantly to control level after BaP was removed It turned out that the physiological modulatary mechanism still existed in the liver of Boleophthalmus pectinirostris All the results show that CAT activity might be suitable to be the bioindicator of BaP exposure.

Key words: heavy metal, lead stress, uptake, translocation, accumulation, detoxification mechanism.

中图分类号:

X131.2

冯涛, 郑微云, 郭祥群, 陈荣. 苯并(a)芘对大弹涂鱼肝脏过氧化氢酶活性的影响[J]. 生态学杂志, 2001, (5): 73-75.

Feng Tao, Zheng Weiyun, Chen Rong, Guo Xiangqun, Chen Rong. Effects of Catalase Activities in the Liver of Boleophthalmus Pectinirostris with Benzo(a) Pyrene Exposure[J]. cje, 2001, (5): 73-75.

参考文献

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