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Accession IconGSE148407

Eye-antenna early L3 disc expression profiling in COX7a-LoF and Notch-GoF

Organism Icon Drosophila melanogaster
Sample Icon 10 Downloadable Samples
Technology Badge Icon Affymetrix Drosophila Genome 2.0 Array (drosophila2)

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Gene expression in larval, early third instar eye-antenna discs was assesed in genotypes with Notch Gain-of-Function (UAS-Delta or UAS-Notch[intra2]) over-expression or mitochondrial COX7a Loss-of-function (UAS-COX7a-RNAi) or a combination of both (UAS-Delta, UAS-COX7a-RNAi). The analysis revealed that, despite a strong genetic interaction between Notch pathway activation and knockdown of COX7a, no transcriptional cooperation or synergy was detectable in early L3 eye-antenna discs. Rather, COX7a knockdown induced a unique transcriptional signature, which further experiments revealed to be mediated by the transcription factor ATF4.
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