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Transcriptional regulation of the emx gene. A) Spatial emx expression changes in response to nodal, not, or gsc MASOs. B) soxb1 input to ectodermal emx expression. Expression levels of emx were measured by QPCR relative to poly-ubiquitin. Results are shown in ddCt (cf Fig.4) as arithmetic mean ± standard deviation. vv: vegetal view. All embryos were shown with the oral ectoderm facing left.
