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871 Delicate balancing act determines how many genome gateways form in cells

ScienceDaily
ScienceDaily · 03/31/2025 12:21 EDT

Delicate balancing act determines how many genome gateways form in cells

As warehouses go, nuclei are more like libraries than bank vaults. Too many cellular components need access to the genome to lock it down like Fort Knox. Instead, large groupings of more than 1,000 individual protein molecules called nuclear pore complexes (NPCs) pepper the dividing membrane, serving as gateways for materials and messages entering and exiting the nucleus. While the basic need for this shuttle service is constant, scientists have shown that cells dynamically adjust their amounts of NPCs like

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