Efficient nuclear transport of very large biomolecules, relevant for viral transport, scales non-linearly with size and its kinetics can be explained by a simple two-parameter energetic model.
A homopolymer-sphere model is shown to accurately reproduce the interactions that underpin selective gating of macromolecular transport into and out of the cell nucleus.
ESCRT-driven mechanisms that sense and seal holes in the nuclear membranes directly monitor the nuclear transport system and the exposure of the inner nuclear membrane.
In replicative ageing yeast cells, an age-dependent impediment in proper assembly of nuclear pore complexes is associated with altered nuclear transport.
Components of the nuclear pore complex share structural and functional features with soluble nuclear transport receptors, which suggests that there may be an evolutionary relationship between these two types of protein.
Animal RanBP1 nuclear export and cargo dissociation mechanisms are surprisingly different from yeast, due to mutations of critical residues, leading to greater nuclear transport efficiency and higher energy cost.