Amphibian sex determination and sex reversal

被引：153

作者：

Wallace, H ^{[1
]}

Badawy, GMI ^{[1
]}

Wallace, BMN ^{[1
]}

机构：

[1] Univ Birmingham, Sch Biol Sci, Birmingham B15 2TT, W Midlands, England

来源：

CELLULAR AND MOLECULAR LIFE SCIENCES | 1999年 / 55卷 / 6-7期

关键词：

sex determination; sex reversal; temperature dependence; sex hormone; amphibia; Triturus cristatus;

D O I：

10.1007/s000180050343

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：

Amphibians employ a genetic mechanism of sex determination, according to all available information on sex chromosomes or breeding tests. Sex reversal allows breeding tests to establish which sex is heterogametic and provides an indication of the mechanism of sex determination. Cases of spontaneous and experimental sex reversal (by temperature. hormones or surgery) are reviewed and illustrated by previously un-published studies on crested newts. These newts respond conventionary to temperature and hormone treatment but provide anomalous results from breeding tests. It is suggested that both the evolution from temperature dependency to a genetic switch and from ZZ/ZW to XX/XY are superimposed on a generally uniform mechanism of sex determination in all vertebrates.

引用

页码：901 / 909

页数：9

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