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Molecular basis and genetic improvement of economically important traits in aquaculture animals
Authors:JianFang Gui  ZuoYan Zhu
Affiliation:GUI JianFang* & ZHU ZuoYan State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
Abstract:Aquaculture has been believed to be a major Chinese contribution to the world. In recent 20 years, genome and other genetic technologies have promoted significant advances in basic studies on molecular basis and genetic improvement of aquaculture animals, and complete genomes of some main aquaculture animals have been sequenced or announced to be sequenced since the beginning of this century. Here, we review some significant breakthrough progress of aquaculture genetic improvement technologies including genome technologies, somatic cell nuclear transfer and stem cell technologies, outline the molecular basis of several economically important traits including reproduction, sex, growth, disease resistance, cold tolerance and hypoxia tolerance, and present a series of candidate trait-related genes. Finally, some application cases of genetic improvement are introduced in aquaculture animals, especially in China, and several development trends are highlighted in the near future.
Keywords:aquaculture genome technology  somatic cell nuclear transfer  stem cell technology  reproduction-related gene  sex determination gene  growth-related gene  disease resistance-related genes  cold tolerance-related gene  hypoxia tolerance-related gene  genetic improvement
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