热带海洋学报 ›› 2017, Vol. 36 ›› Issue (5): 40-48.doi: 10.11978/2016126CSTR: 32234.14.2016126

• • 上一篇    下一篇

长期高氨氮暴露对海水青鳉毒理效应的蛋白质组学研究

高娜1,2,3(), 朱丽梅1,2, 于德良3,4, 张黎1,2()   

  1. 1. 中国科学院南海海洋研究所, 中国科学院热带海洋生物资源与生态重点实验室, 广东 广州 510301
    2. 中国科学院南海海洋研究所, 广东省应用海洋生物学重点实验室, 广东 广州 510301
    3. 中国科学院大学, 北京 100049
    4. 中国科学院烟台海岸带研究所, 中国科学院海岸带环境过程与生态修复重点实验室, 山东省海岸带环境过程重点实验室, 山东 烟台 264003
  • 收稿日期:2016-12-02 修回日期:2017-04-21 出版日期:2017-09-20 发布日期:2017-09-22
  • 作者简介:

    作者简介:高娜(1988—), 女, 山东省新泰市人, 博士研究生, 主要从事海洋生物学研究。E-mail: gaona12@mails.ucas.ac.cn

  • 基金资助:
    国家重点基础研究发展规划项目(2015CB452904);国家自然科学基金项目(41376161、31501862);中国科学院百人计划项目;广东省科技计划项目(2014B030301064)

Proteomic responses of marine medaka (Oryzias melastigma) to chronic high environment ammonia exposure

Na GAO1,2,3(), Limei ZHU1,2, Deliang YU3,4, Li ZHANG1,2()   

  1. 1. Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
    2. Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
    3. University of Chinese Academy Sciences, Beijing 100049, China
    4. Key Laboratory of Coastal Zone Environmental Processes and Ecological Restoration, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Shandong Provincial Key Laboratory of Coastal Zone Environmental Processes, Yantai 264003, China
  • Received:2016-12-02 Revised:2017-04-21 Online:2017-09-20 Published:2017-09-22
  • About author:

    Author:QIU Chunhua.E-mail: qiuchh3@mail. sysu.edu.cn

  • Supported by:
    State Key Development Program for Basic Research of China (2015CB452904);National Natural Science Foundation of China (41376161, 31501862);100 Talents Program of the Chinese Academy of Sciences to ZHANG Li;Science and Technology Planning Project of Guangdong Province, China (2014B030301064).

摘要:

氨氮是大多数硬骨鱼的氮代谢产物, 但是环境中氨氮浓度过高也会对鱼类产生毒性作用。该研究结果显示, 海水青鳉暴露于0.6和1.1mmol·L-1 NH4Cl 4周后的死亡率分别为21.25%和40%。这说明高浓度氨氮暴露对海水青鳉具有明显的毒性作用, 而且暴露浓度越高, 毒性越大。利用蛋白质组学的研究技术研究海水青鳉在长期氨氮暴露后的蛋白质响应变化, 发现在0.6mmol·L-1 NH4Cl暴露条件下有16种蛋白的表达发生明显的变化, 而在1.1mmol·L-1 NH4Cl暴露条件下有7种蛋白的表达发生明显的变化。这些蛋白主要参与氧化应激的产生, 影响海水青鳉细胞结构组成、肌肉收缩、视觉通路、代谢调节和免疫调节, 引起神经毒性。该研究利用蛋白质组学的研究方法研究了长期氨氮暴露对海水青鳉的毒理效应, 为利用蛋白质组学探讨环境污染物的毒性效应提供了更深刻的认识。

关键词: 长期氨氮暴露, 蛋白质组学, 海水青鳉, 毒理效应

Abstract:

Abstract: Most teleost fish excretes nitrogen waste as ammonia, but high environment ammonia is toxic to fish. In this study, we demonstrated that the death rate of marine medaka Oryzias melastigma exposed to 0.6 and 1.1 mmol·L-1 NH4Cl for four weeks were 21.25% and 40.00%, respectively, suggesting high environment ammonia is toxic to the fish. Besides, the higher concentration the ambient ammonia, the more toxic it is to the fish. We investigated the responses of chronic ammonia exposure in marine medaka using proteomics. Sixteen proteins were found to be remarkably altered in the fish exposed to 0.6 mmol·L-1 NH4Cl and seven proteins, in the fish exposed to 1.1 mmol·L-1 NH4Cl. The function of these proteins included inducing oxidative stress, neurotoxicity, disturbance in cell structure, muscle contraction, visual pathway, metabolic and immunological regulation. This is the first report of studying the toxicological effect of ammonia on marine medaka using proteomics. It provides important insights into toxicological effects of environmental contaminant using proteomics.

Key words: chronic ammonia exposure, proteomic, marine medaka, toxicological effect