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学科主题: Multidisciplinary Sciences
题名: Rapid growth cost in “all-fish” growth hormone gene transgenic carp: Reduced critical swimming speed
作者: Li DeLiang ; Fu CuiZhang ; Hu Wei ; Zhong Shan ; Wang YaPing ; Zhu ZuoYan
通讯作者: Zhu, ZY, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
关键词: transgenic fish ; growth ; swimming performance ; trade-off ; growth hormone ; critical swimming speed
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2007
卷: 52, 期:11, 页:1501-1506
收录类别: SCI
部门归属: Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; Wuhan Univ, Basic Med Sch, Dept Genet, Wuhan 430071, Peoples R China
摘要: Evidence has accumulated that there is a trade-off between benefits and costs associated with rapid growth. A trade-off between growth rates and critical. swimming speed (U-crit) had been also reported to be common in teleost fish. We hypothesize that growth acceleration in the F-3 generation of "all-fish" growth hormone gene (GH) transgenic common carp (Cyprinus carpio L.) would reduce the swimming abilities. Growth and swimming performance between transgenic fish and non-transgenic controls were) compared. The results showed that transgenic fish had a mean body weight 1.4-1.9-fold heavier, and a mean specific growth rate (SGR) value 6%-10% higher than the controls. Transgenic fish, however, had a mean absolute U-crit (cm/s) value 22% or mean relative Ucrit (BL/s) value 24% lower than the controls. It suggested that fast-growing "all-fish" GH-transgenic carp were inferior swimmers. It is also supported that there was a trade-off between growth rates and swimming performance, i.e. faster-growing individuals had lower critical swimming speed.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8534
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Li DeLiang; Fu CuiZhang; Hu Wei; Zhong Shan; Wang YaPing; Zhu ZuoYan.Rapid growth cost in
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