Sex-Specific Gonadal and Gene Expression Changes throughout Development in Fathead Minnow

Although fathead minnows (Pimephales promelas) are commonly used as a model fish in endocrine disruption studies, past studies have not characterized sex-specific baseline expression of genes involved in sex differentiation during development in this species. Using a sex-linked DNA marker to verify...

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Veröffentlicht in:Sexual development 2013-01, Vol.7 (6), p.303-307
Hauptverfasser: Leet, J.K., Lesteberg, K.E., Schoenfuss, H.L., Olmstead, A.W., Amberg, J.J., Ankley, G.T., Sepúlveda, M.S.
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container_end_page 307
container_issue 6
container_start_page 303
container_title Sexual development
container_volume 7
creator Leet, J.K.
Lesteberg, K.E.
Schoenfuss, H.L.
Olmstead, A.W.
Amberg, J.J.
Ankley, G.T.
Sepúlveda, M.S.
description Although fathead minnows (Pimephales promelas) are commonly used as a model fish in endocrine disruption studies, past studies have not characterized sex-specific baseline expression of genes involved in sex differentiation during development in this species. Using a sex-linked DNA marker to verify gender, we evaluated the expression over time of genes involved in sex differentiation (dmrt1, cyp19a, cyp17, star, esr1, ar) in developing fathead minnows (10-45 days post hatch). Evaluation of these molecular markers in combination with gender identification help us to better understand the mechanisms regulating sex differentiation in fathead minnows and how endocrine-disrupting chemicals may alter these processes.
doi_str_mv 10.1159/000353877
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source Karger Journals; MEDLINE; Alma/SFX Local Collection
subjects Animals
Cyprinidae - genetics
Cyprinidae - growth & development
Endocrine Disruptors - pharmacology
Female
Gene Expression
Gonads - growth & development
Male
Ovary - growth & development
Sex Characteristics
Sex Determination Analysis - veterinary
Sex Differentiation - drug effects
Sex Differentiation - genetics
Sex Differentiation - physiology
Short Report
Testis - growth & development
Time Factors
title Sex-Specific Gonadal and Gene Expression Changes throughout Development in Fathead Minnow
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