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Single molecule fluorescence approaches reveal that DEAD-Box RNA helicases cluster in dynamic hubs for protein synthesis initiation Abstract DEAD-box helicases, DDX3 and eukaryotic initiation factor 4A (eIF4A), play essential roles in translation initiation, cytoplasmic surveillance for foreign RNAs and in facilitating cellular stress response. Using multi-parameter confocal fluorescence burst spectroscopy, we discovered that sex chromosome-encoded […]