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Elucidating The Role Of Rumi And O-Glucosylation In The Drosophila Eye, Amanda Haltom
Elucidating The Role Of Rumi And O-Glucosylation In The Drosophila Eye, Amanda Haltom
Dissertations & Theses (Open Access)
Rumi is a protein O-glucosyltransferase that adds the sugar O-glucose onto the serine in the target sequence C-S-X-S-(P/A)-C found within properly folded EGF repeats. It was first discovered to modify the Drosophila Notch extracellular domain and to be required for Notch signaling in a temperature dependent manner, but other targets of Rumi remained unknown. Several other proteins in the Drosophila proteome harbor multiple consensus sequence highly predictive of O-glucose, including the transmembrane protein Crumbs and the secreted protein Eyes shut (Eys). Both of these proteins are required for proper eye development and mutations in their human homologs …