Exogenous application of estradiol to eggs unexpectedly induces male development in two turtle species with temperature-dependent sex determination

Highlights • We evaluate the effects of temperature, estradiol, and aromatase inhibition on sex determination. • Aromatase inhibition had no effect on gonadal sex in two turtles with environmental sex determination. • Exogenous application of estradiol to eggs induced male gonad development. • These...

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Veröffentlicht in:General and comparative endocrinology 2014-09, Vol.206, p.16-23
Hauptverfasser: Warner, Daniel A, Addis, Elizabeth, Du, Wei-guo, Wibbels, Thane, Janzen, Fredric J
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container_title General and comparative endocrinology
container_volume 206
creator Warner, Daniel A
Addis, Elizabeth
Du, Wei-guo
Wibbels, Thane
Janzen, Fredric J
description Highlights • We evaluate the effects of temperature, estradiol, and aromatase inhibition on sex determination. • Aromatase inhibition had no effect on gonadal sex in two turtles with environmental sex determination. • Exogenous application of estradiol to eggs induced male gonad development. • These unexpected results were reproduced in four independent experiments.
doi_str_mv 10.1016/j.ygcen.2014.06.008
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Animals
Aromatase - chemistry
Aromatase - metabolism
Aromatase inhibitor
Aromatase Inhibitors - pharmacology
Chelydra serpentina
Chrysemys picta
Endocrinology & Metabolism
Environmental sex determination
Estradiol - pharmacology
Estrogens - pharmacology
Female
Humans
Male
Ovary - drug effects
Ovum - cytology
Ovum - drug effects
Ovum - metabolism
Sex Determination Analysis
Sex Ratio
Sex steroids
Sexual differentiation
Temperature
Turtles - physiology
title Exogenous application of estradiol to eggs unexpectedly induces male development in two turtle species with temperature-dependent sex determination
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