Sex determination in flatfishes: Mechanisms and environmental influences

被引：86

作者：

Luckenbach, J. Adam ^{[1
]}

Borski, Russell J. ^{[1
]}

Daniels, Harry V. ^{[1
]}

Godwin, John ^{[1
]}

机构：

[1] N Carolina State Univ, Dept Biol, Raleigh, NC 27695 USA

来源：

SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY | 2009年 / 20卷 / 03期

关键词：

Environmental sex determination; Temperature-dependent sex determination TSD; Sex differentiation; Aromatase; FLOUNDER PARALICHTHYS-LETHOSTIGMA; AROMATASE GENE-EXPRESSION; SOUTHERN FLOUNDER; ATLANTIC HALIBUT; JAPANESE FLOUNDER; TRANSCRIPTIONAL REGULATION; GONADAL DIFFERENTIATION; DIMORPHIC EXPRESSION; TELEOST FISH; TEMPERATURE;

D O I：

10.1016/j.semcdb.2008.12.002

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

Flounder of the genus Paralichthys exhibit a unique mode of sex determination where both low and high temperatures induce male-skewed sex ratios, while intermediate temperatures produce a 1: 1 sex ratio. Male differentiation is thus easily induced in genetic females creating a combination of genetic (GSD) and environmental sex determination (ESD). Since male flounder become reproductively fit at substantially smaller body sizes than females, temperature or other environmental variables that elicit lower growth rates may also influence sex differentiation toward male development. This review covers our current knowledge of sex determination and differentiation in flatfishes including possible adaptive significance of ESD and involvement of factors such as aromatase (cyp19). (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：256 / 263

页数：8

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