575 results found
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Channel nuclear pore complex subunits are required for transposon silencing in Drosophila

    Marzia Munafò, Victoria R Lawless ... Benjamin Czech
    By linking export and licensing of a piRNA precursor transcript, channel nuclear pore complex subunits Nup54 and Nup58 are specifically required to silence transposons in the Drosophila ovary.
    1. Cell Biology

    An amphipathic helix in Brl1 is required for nuclear pore complex biogenesis in S. cerevisiae

    Annemarie Kralt, Matthias Wojtynek ... Karsten Weis
    Genetic, proteomic, and structural analyses provide insight into the role of Brl1 during nuclear pore complex biogenesis, suggesting a function in the fusion of outer and inner nuclear membranes.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Importin-β modulates the permeability of the nuclear pore complex in a Ran-dependent manner

    Alan R Lowe, Jeffrey H Tang ... Jan T Liphardt
    The Ran GTPase plays a role in defining the physical properties of the nuclear pore complex transport channel by remodeling the binding interactions of importin-β with the nucleoporin Nup153 at the nuclear face of the pore.
    1. Physics of Living Systems

    Diameter dependence of transport through nuclear pore complex mimics studied using optical nanopores

    Nils Klughammer, Anders Barth ... Cees Dekker
    Nuclear pore complex mimics based on solid-state nanopores show significant selectivity below a diameter of 55 nm, which decreases gradually for larger pore diameters.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    HIV-1 nuclear import in macrophages is regulated by CPSF6-capsid interactions at the nuclear pore complex

    David Alejandro Bejarano, Ke Peng ... Hans-Georg Kräusslich
    Interaction of HIV capsids with the cellular protein cleavage-and-polyadenylation factor 6 at the inner side of nuclear pores promotes nuclear entry of the viral replication complex in primary human macrophages.
    1. Physics of Living Systems
    2. Computational and Systems Biology

    Simple biophysics underpins collective conformations of the intrinsically disordered proteins of the Nuclear Pore Complex

    Andrei Vovk, Chad Gu ... Anton Zilman
    Simple biophysical considerations explain the collective behavior of molecularly diverse complex protein assemblies that regulate transport between the nucleus and the cytoplasm in eukaryotic organisms.
    1. Cell Biology

    Ndc1 drives nuclear pore complex assembly independent of membrane biogenesis to promote nuclear formation and growth

    Michael Sean Mauro, Gunta Celma ... Shirin Bahmanyar
    Discovery of how cells couple addition of membranes with insertion of nuclear pore complexes to form and grow the nucleus.
    1. Cell Biology
    2. Developmental Biology

    Caspase-mediated nuclear pore complex trimming in cell differentiation and endoplasmic reticulum stress

    Ukrae H Cho, Martin W Hetzer
    The nuclear pore complex is transiently proteolyzed during cell differentiation and the nuclear proteome experience dramatic change.
    1. Structural Biology and Molecular Biophysics

    Spatial structure of disordered proteins dictates conductance and selectivity in nuclear pore complex mimics

    Adithya N Ananth, Ankur Mishra ... Cees Dekker
    Biomimetic nanopores reveal that the sequence-dependent spatial distribution of intrinsically disordered proteins plays a crucial role in establishing the selective permeability barrier of the nuclear pore complex.
  1. Nuclear pore assembly proceeds by an inside-out extrusion of the nuclear envelope

    Shotaro Otsuka, Khanh Huy Bui ... Jan Ellenberg
    Nuclear pores assemble asymmetrically, by an inside-out evagination of the inner nuclear membrane that grows in diameter and depth until it fuses with the flat outer nuclear membrane.

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