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Progress in the evaluation of transgenic fish for possible ecological risk and its containment strategies

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Abstract

Genetically improved transgenic fish possess many beneficial economic traits; however, the commercial aquaculture of transgenic fish has not been performed till date. One of the major reasons for this is the possible ecological risk associated with the escape or release of the transgenic fish. Using a growth hormone transgenic fish with rapid growth characteristics as a subject, this paper analyzes the following: the essence of the potential ecological risks posed by transgenic fish; ecological risk in the current situation due to transgenic fish via one-factor phenotypic and fitness analysis, and mathematical model deduction. Then, it expounds new ideas and the latest findings using an artificially simulated ecosystem for the evaluation of the ecological risks posed by transgenic fish. Further, the study comments on the strategies and principles of controlling these ecological risks by using a triploid approach. Based on these results, we propose that ecological risk evaluation and prevention strategies are indispensable important components and should be accompanied with breeding research in order to provide enlightments for transgenic fish breeding, evaluation of the ecological risks posed by transgenic fish, and development of containment strategies against the risks.

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Authors and Affiliations

  1. State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China

    Hu Wei, Wang YaPing & Zhu ZuoYan

Authors
  1. Hu Wei
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  2. Wang YaPing
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  3. Zhu ZuoYan
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Corresponding author

Correspondence to Zhu ZuoYan.

Additional information

Supported by the Development Plan of the State Key Fundamental Research of China (Grant Nos. 2007CB109205 and 2007CB109206), the National Natural Science Foundation of China (Grant No. 30430540), and the ‘863’ High Technology Project (Grant No. 2006AA10Z141)

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Hu, W., Wang, Y. & Zhu, Z. Progress in the evaluation of transgenic fish for possible ecological risk and its containment strategies. SCI CHINA SER C 50, 573–579 (2007). https://doi.org/10.1007/s11427-007-0089-y

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  • DOI: https://doi.org/10.1007/s11427-007-0089-y

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