|Citation||Verheyen, E.M., Purcell, K.J., Fortini, M.E., Artavanis-Tsakonas, S. (1996). Analysis of dominant enhancers and suppressors of activated Notch in Drosophila. Genetics 144(3): 1127--1141. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||The Notch receptor controls cell fate decisions throughout Drosophila development. Truncated, ligand-independent forms of this protein delay or block differentiation. We have previously shown that expression of the intracellular domain of the receptor under the control of the sevenless enhancer/promoter induces a rough eye phenotype in the adult fly. Analysis of the resultant cellular transformations suggested that this form of Notch acts as a constitutively activated receptor. To identify gene products that interact with Notch, a second-site mutagenesis screen was performed to isolate enhancers and suppressors of the eye phenotype caused by expression of these activated Notch molecules. We screened 137,000 mutagenized flies and recovered 290 dominant modifiers. Many new alleles of previously identified genes were isolated, as were mutations defining novel loci that may function in the Notch signaling pathway. We discuss the data with respect to known features of Notch receptor signaling and Drosophila eye development.|
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|Language of Publication||English|
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