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FTZ-F1, a member of the nuclear receptor superfamily, has been implicated in the activation of the segmentation gene fushi tarazu during early embryogenesis of Drosophila melanogaster. We found that an isoform of FTZ-F1, betaFTZ-F1, is expressed in the nuclei of almost all tissues slightly before the first and second larval ecdysis and before pupation.(More)
FTZ-F1, a member of the steroid receptor superfamily, has been implicated in the activation of the homeobox segmentation gene fushi tarazu early in Drosophila embryogenesis. We have cloned a developmental isoform of FTZ-F1 and found that it is expressed as a product of the previously identified, midprepupal chromosome puff at 75CD. The 75CD puff occurs in(More)
The GnRH gene is expressed exclusively in a highly restricted population of approximately 800 neurons in the mediobasal hypothalamus in the mouse. The Otx2 homeoprotein has been shown to colocalize with GnRH in embryonic mouse brain. We have identified a highly conserved bicoid-related Otx target sequence within the proximal promoter region of the GnRH gene(More)
The Drosophila homeobox segmentation gene fushi tarazu (ftz) is expressed in a seven-stripe pattern during early embryogenesis. This characteristic pattern is largely specified by the zebra element located immediately upstream of the ftz transcriptional start site. The FTZ-F1 protein, one of multiple DNA binding factors that interacts with the zebra(More)
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