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锌铅暴露条件下菲律宾蛤仔消化腺和鳃内金属和金属硫蛋白的变化

  • 苏文 ,
  • 吴惠丰 ,
  • 廖春阳 ,
  • 薛钦昭 ,
  • 曲莹
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  • 1. 中国科学院烟台海岸带研究所,烟台 264003;;
    2. 中国科学院海洋研究所,青岛 266071;;
    3. 中国科学院研究生院,北京 100049

收稿日期: 2009-12-14

  修回日期: 2010-03-12

  网络出版日期: 2010-07-15

基金资助

中国科学院知识创新重大项目(KK0710AX-026,KZCX2-YW-Q07-04)、山东省科技发展计划项目(2007GG2QT06020)和烟台市科技发展项目(2007323)联合资助 

Metallothionein in digestive glands and gills of Ruditapes philippinarum exposed to zinc and lead

  • SU Wen ,
  • WU Hui-Feng ,
  • LIAO Chun-Yang ,
  • XUE Qin-Zhao ,
  • QU Ying
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  • 1. Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China;
    2. Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
    3. Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Received date: 2009-12-14

  Revised date: 2010-03-12

  Online published: 2010-07-15

摘要

通过慢性暴露实验研究了菲律宾蛤仔在锌(Zn2+),铅(Pb2+)单一胁迫及联合胁迫下,消化腺和鳃内富集Zn2+和Pb2+及其金属硫蛋白水平随Zn2+、Pb2+暴露浓度的变化规律.结果表明, Zn2+50μg/L、Pb2+25μg/L联合胁迫时,消化腺和鳃内重金属的富集低于Zn2+、Pb2+单一胁迫,表现为拮抗作用;MT含量随着Zn2+、Pb2+暴露质量浓度变化而变化,比较发现消化腺中MT含量随Pb2+暴露质量浓度的变化最显著(p<0.01).

本文引用格式

苏文 , 吴惠丰 , 廖春阳 , 薛钦昭 , 曲莹 . 锌铅暴露条件下菲律宾蛤仔消化腺和鳃内金属和金属硫蛋白的变化[J]. 中国科学院大学学报, 2010 , 27(4) : 456 -462 . DOI: 10.7523/j.issn.2095-6134.2010.4.004

Abstract

The paper discussed accumulation of heavy metals in the digestive glands and gills of Ruditapes philippinarum with single or combined exposure of zinc and lead and relationship between MT (metallothioneinm) induction and accumulation of heavy metals. Results indicated that the antagonistic effect of znic and lead was obvious in clam jointly exposed to zinc and lead (Zn2+ 50μg/L and Pb2+ 25μg/L). MT varied with exposure concentrations of zinc and lead and the effect of lead was significant.

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