Sex change in coral reef fish

被引:45
|
作者
Nakamura, Masaru
Kobayashi, Yasuhisa
机构
[1] Univ Ryukyus, Sesoko Stn, Trop Biosphere Res Ctr, Okinawa 9070227, Japan
[2] Japan Sci & Technol, CREST, Saitama, Kawaguchi 3320012, Japan
[3] Japan Sci & Technol, SORST, Saitama, Kawaguchi 3320012, Japan
[4] Natl Inst Basic Biol, Okazaki, Aichi 4448585, Japan
关键词
sex change; estrogen; tropical fish; protogynous sex change; protandrous sex change; serial sex change;
D O I
10.1007/s10695-006-7595-x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Gonadal differentiation can take many forms in fish, ranging from gonochorism, where individuals directly develop as male or female and finally possess only testis or ovaries at sexual maturation, to hermaphroditism where the same individuals can produce mature male and female gametes at some time in their lives. Hermaphrodite fish are, thus, an excellent model for studying the plasticity of sex determination and differentiation in vertebrates. We have shown that sex steroids play a principal role in sex differentiation and sex change in fish. Our laboratory implements several fish models that undergo sex change from female to male or male to female or in both directions. In this review, we will briefly discuss recent advances in our understanding of the mechanism of sex change in coral reef fish.
引用
收藏
页码:117 / 122
页数:6
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