ZFIN ID: ZDB-IMAGE-160921-1
Figures for Hartig et al., 2016

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Fig. 1

Effects of cortisol treatment on zebrafish larval cortisol levels, glucocorticoid receptor activity and gene expression. (A) Typical larva at 5days post-fertilization (dpf). (B) Whole-body cortisol levels after exposure to varying doses of cortisol from 0-5dpf, measured by ELISA of larval extracts (30 larvae per sample, duplicate measurements of each sample; P=0.015 by one-way ANOVA; * indicates that the difference from untreated controls is statistically significant by post hoc Tukey′s test). (C) GFP fluorescence in the glucocorticoid receptor-responsive reporter line SR4G at 5dpf following treatment with the indicated concentrations of cortisol (20 larvae imaged per sample; P=7.29×10-11 by a one way ANOVA; * indicates that the difference from untreated controls is statistically significant by post hoc Tukey′s test). (D) Gene ontology biological process parent terms found by PANTHER to be significantly (P<0.05) overrepresented in the list of genes differentially expressed in 5day old embryos treated with 1µM cortisol. (E) RNA-seq measurements of three genes found to be upregulated in embryos treated (+) with 1µM cortisol, compared to untreated controls (-). (F) RNA-seq measurements of three genes found to be downregulated in 1µM cortisol-treated embryos (+) compared to untreated controls (-). Differences in expression between control and treatment groups shown in E and F are all statistically significant (P<0.05). Error bars in B and C depict standard error of the mean (s.e.m.).

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