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Position: Home > Articles > A mini-review of studies on genetic basis of sex determination in fish Journal of Fisheries of China 2003,27 (2) 169-176

鱼类性别决定的遗传基础研究概况

作  者：
童金苟;朱嘉濠;关海山
单  位：
中国科学院水生生物研究所;香港中文大学生物系
关键词：
鱼类;性别决定;性染色体;遗传基础
摘  要：
As lower vertebrates, fishes have complex modes of sex determination. From the cytogenetic perspective, only a small proportion of fish species have heteromorphic sex chromosomes. At the present stage sex determination can only be explained via "genetics" rather than "genes" in most species. Nevertheless, genes associated with sex determination and male development were identified in a model fish medaka, Oryzias latipes. Sequences or genetic markers specific to certain sex chromosomes were reported in some fishes. These findings lay the groundwork for further studies on the function and regulation of sex genes aiming at elucidation of the mechanism of sex determination, and provide potential tool for sexing fish. In this minireview, progress in the past few decades in both cytogenetic and molecular genetic studies on sex determination of fish were summarized. Prospects, significance and possible future directions of the studies on fish sex determination were also discussed.
译  名：
A mini-review of studies on genetic basis of sex determination in fish
作  者：
TONG Jingou1, CHU Kahou2, KWAN Hoi Shan2(1.Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan430072, China;2. Department of Biology, The Chinese University of Hong Kong, Hong Kong, China)
关键词：
fish; sex determination; sex chromosomes; genetic basis
摘  要：
As lower vertebrates, fishes have complex modes of sex determination. From the cytogenetic perspective, only a small proportion of fish species have heteromorphic sex chromosomes. At the present stage sex determination can only be explained via "genetics" rather than "genes" in most species. Nevertheless, genes associated with sex determination and male development were identified in a model fish medaka, Oryzias latipes. Sequences or genetic markers specific to certain sex chromosomes were reported in some fishes. These findings lay the groundwork for further studies on the function and regulation of sex genes aiming at elucidation of the mechanism of sex determination, and provide potential tool for sexing fish. In this minireview, progress in the past few decades in both cytogenetic and molecular genetic studies on sex determination of fish were summarized. Prospects, significance and possible future directions of the studies on fish sex determination were also discussed.

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