%0 Journal Article
%T Toxicity of Cu2+ to Juvenile Perch Lateolabrax maculatus<br>铜离子对中国花鲈幼鱼的毒性研究
%A Zhu Youfang
%A Hong Wanshu
%A Lin Jingzhong
%A <br>朱友芳
%A 洪万树
%A 林金忠
%J 生态毒理学报
%D 2011
%I 
%X In order to provide data of pollution biology for the perch (Lateolabrax maculatus) culture, the toxic symptom and LC50 were studied in the juvenile perch exposed to Cu2+. The levels of GSH and MDA and activities of SOD, CAT, GOT and GPT were examined; The effects of Cu2+ stress on the total dyskaryosis and micronuclear rates of the juvenile erythrocytes were analyzed. The results showed that LC50 for juvenile exposed to Cu2+ for 24, 48, 72 and 96 h was 1.85, 1.66, 1.48 and 0.86 mg·L-1, respectively. The liver tissue of agonal individuals necrosed and a mass of blood sinuses occurred in the gill tissue. GSH, MDA, SOD, GPT and GOT in the liver were sensitive, while CAT was not sensitive to Cu2+ stress. Exposed to Cu2+ at concentration of 0.42 mg·L-1 for 96 h, total dyskaryosis and micronuclear rates of the juvenile erythrocytes in the treated groups were significantly higher (p<0.05) than that in the control. Cu2+ stress not only damaged the liver antioxidant system, liver and gill tissues, but also had definite genetic toxity to the juvenile perch.
%K Lateolabrax maculatus
%K Cu2+
%K LC50
%K liver tissue
%K enzyme activity
%K micronuclear test<br>中国花鲈
%K 铜离子
%K 半致死浓度
%K 肝脏组织
%K 酶活力
%K 微核测定
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=BEC1F4700DD66C14D137590A0896A0AD&jid=B98D390DF92C35E6DD1987675E4EE86E&aid=C5FFE4667A3154632DC87D66AB2E59B2&yid=9377ED8094509821&vid=B31275AF3241DB2D&iid=38B194292C032A66&sid=717CC18E05F2AFA0&eid=50EA2A80A7D254EF&journal_id=1673-5897&journal_name=生态毒理学报&referenced_num=0&reference_num=21