Before a Drosophila embryo has cells, actin furrows hold its nuclei apart. A 2026 paper in J Cell Biol shows Bitesize bundles F-actin to help stabilize these boundaries. One piece of the scaffold. More to map. doi.org/10.1083/jcb.202306071 #DevelopmentalBiology #Drosophila #ActinCytoskeleton

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