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Elucidating The Role Of Ecdysoneless In Mrna Processing, Irfana Saleem
Elucidating The Role Of Ecdysoneless In Mrna Processing, Irfana Saleem
Theses & Dissertations
The mammalian orthologue of the evolutionarily conserved Ecdysoneless (ECD) protein is required for embryogenesis, cell cycle progression and mitigation of ER stress. However, the molecular mechanisms of ECD function in mammalian cells remain unclear. Here, using mass spectrometry analysis of the mammalian ECD interactome, we identified several components of the mRNA export complexes as binding partners of ECD and then characterized the functional interaction of ECD with key mRNA export-related DEAD BOX protein helicase DDX39A and its associated partners. FISH analysis of Poly-A-tailed mRNAs revealed that ECD depletion/deletion blocks the mRNA export from the nucleus to the cytoplasm. We have …