Sex-change and gonadal steroids in sequentially-hermaphroditic teleost fish
Frisch, Ashley (2004) Sex-change and gonadal steroids in sequentially-hermaphroditic teleost fish. Reviews in Fish Biology and Fisheries, 14 (4). pp. 481-499.
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Sex-change is an intriguing phenomenon that is common among certain groups of teleost fishes. The process itself has a number of independent origins, although in each case it is initiated and (or) regulated by gonadal steroids. Despite the commercial importance of sex-change technology to fish culturists, our understanding of the relationship between steroids and sex-change is, at best, rudimentary. In this paper I review the current state of knowledge concerning (a) which steroids are involved, (b) how such steroids mediate sex-change, and (c) how steroidogenesis is regulated during gonadal transition. I conclude that the steroidal endocrinology of sex-change is multifarious and species specific – a result which challenges the relative stability of vertebrate endocrine axes, but one which probably reflects the independent evolution of this adaptation.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||endocrine regulation; gonadal steroids; sequential hermaphrodite; sex-change; teleost fish|
|FoR Codes:||06 BIOLOGICAL SCIENCES > 0606 Physiology > 060604 Comparative Physiology @ 100%|
|SEO Codes:||97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 100%|
|Deposited On:||15 Feb 2010 11:03|
|Last Modified:||18 Oct 2013 00:53|
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