271 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Intracellular cholesterol trafficking is dependent upon NPC2 interaction with lysobisphosphatidic acid

    Leslie A McCauliff, Annette Langan ... Judith Storch
    Sterol kinetics and cell-based assays reveal a heretofore unknown step in cholesterol trafficking through the endolysosomal compartment, involving a direct functional interaction between NPC2 and lysosbisphosphatidic acid.
    1. Biochemistry and Chemical Biology

    Enterococcus faecium secreted antigen A generates muropeptides to enhance host immunity and limit bacterial pathogenesis

    Byungchul Kim, Yen-Chih Wang ... Howard C Hang
    Enterococci faecium encodes unique peptidoglycan composition and remodeling activity that activates host immunity.
    1. Neuroscience

    Laminar microcircuitry of visual cortex producing attention-associated electric fields

    Jacob A Westerberg, Michelle S Schall ... Jeffrey D Schall
    Simultaneous sampling of electrical voltages outside the brain with neural signals in the cerebral cortex reveals how electrical currents in mosaics of cortical columns produce an electrical signal that can be measured noninvasively to assess the allocation of attention.
    1. Cell Biology
    2. Evolutionary Biology

    DNA circles promote yeast ageing in part through stimulating the reorganization of nuclear pore complexes

    Anne C Meinema, Anna Marzelliusardottir ... Yves Barral
    Acetylation of nuclear basket components, following their interaction with accumulating extrachromosomal DNA circles, drives the reorganization of nuclear pore complexes and the loss of cellular viability associated with replicative ageing.
    1. Cell Biology
    2. Immunology and Inflammation

    T-cell receptor (TCR) signaling promotes the assembly of RanBP2/RanGAP1-SUMO1/Ubc9 nuclear pore subcomplex via PKC-θ-mediated phosphorylation of RanGAP1

    Yujiao He, Zhiguo Yang ... Yingqiu Li
    T-cell receptor signaling actively regulates gating of the nuclear pore complex (NPC) in T cells by inducing translocation of protein kinase C-θ to the NPC to promote the sumoylation of RanGAP1.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Molecular determinants of large cargo transport into the nucleus

    Giulia Paci, Tiantian Zheng ... Edward A Lemke
    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.
    1. Cell Biology

    Niemann-Pick type C proteins promote microautophagy by expanding raft-like membrane domains in the yeast vacuole

    Takuma Tsuji, Megumi Fujimoto ... Toyoshi Fujimoto
    Sterol transport by Niemann-Pick type C proteins induces the expansion of raft-like domains in the yeast vacuole, enabling engulfment of lipid droplets by microautophagy.
    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. Genetics and Genomics
    2. Evolutionary Biology

    Regulatory and coding sequences of TRNP1 co-evolve with brain size and cortical folding in mammals

    Zane Kliesmete, Lucas Esteban Wange ... Wolfgang Enard
    Combining phylogenetic and functional approaches, it is shown that the protein sequence, the proliferative activity, and a regulatory element of TRNP1 co-evolve with brain size and folding.
    1. Cell Biology

    Conformation of the nuclear pore in living cells is modulated by transport state

    Joan Pulupa, Harriet Prior ... Sanford M Simon
    Polarized fluorescence microscopy of individual nuclear pores in vivo reveals conformational changes in select domains of proteins of the inner ring.

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