https://www.selleckchem.com/pr....oducts/hg-9-91-01.ht
We evaluated the ability of orthologous CRE sequences to drive reporter gene expression in species with modified (Drosophila auraria), secondarily lost (Drosophila ananassae), and ancestrally absent (Drosophila willistoni) pigmentation. We show that the transgene host frequently determines CRE activity, implicating trans-evolution as a significant factor for this trait's diversity. We validated the gain of dimorphic Bab transcription factor expression as a trans-change contributing to the dimorphic trait. Our findings suggest an amen
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