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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

The Drosophila dCREB-A gene is required for dorsal/ventral patterning of the larval cuticle.

We report on the characterization of the first loss-of-function mutation in a Drosophila CREB gene, dCREB-A. In the epidermis, dCREB-A is required for patterning cuticular structures on both dorsal and ventral surfaces since dCREB-A mutant larvae have only lateral structures around the entire circumference of each segment. Based on results from epistasis tests with known dorsal/ventral patterning genes, we propose that dCREB-A encodes a transcription factor that functions near the end of both the DPP- and SPI-signaling cascades to translate the corresponding extracellular signals into changes in gene expression. The lateralizing phenotype of dCREB-A mutants reveals a much broader function for CREB proteins than previously thought.[1]

References

  1. The Drosophila dCREB-A gene is required for dorsal/ventral patterning of the larval cuticle. Andrew, D.J., Baig, A., Bhanot, P., Smolik, S.M., Henderson, K.D. Development (1997) [Pubmed]
 
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