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

    A deep proteomics perspective on CRM1-mediated nuclear export and nucleocytoplasmic partitioning

    Koray Kırlı, Samir Karaca ... Dirk Görlich
    A new resource quantifying the distribution of 5,000 individual proteins between nucleus and cytoplasm, as well as identifying 2,800 yeast, human and frog proteins that are exported from the nucleus by the exportin CRM1/Xpo1.
    1. Chromosomes and Gene Expression

    Telomerase biogenesis requires a novel Mex67 function and a cytoplasmic association with the Sm7 complex

    Yulia Vasianovich, Emmanuel Bajon, Raymund J Wellinger
    A new tool that allows specific subpopulations of telomerase RNAs in vivo forces a thorough revision of the telomerase maturation pathway and suggests a new function for Mex67.
    1. Cell Biology

    An ESCRT-LEM protein surveillance system is poised to directly monitor the nuclear envelope and nuclear transport system

    David J Thaller, Matteo Allegretti ... C Patrick Lusk
    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.
    1. Cancer Biology
    2. Medicine

    Discovery and biological evaluation of a potent small molecule CRM1 inhibitor for its selective ablation of extranodal NK/T cell lymphoma

    He Liu, Meisuo Liu ... Yongliang Yang
    Deep reinforcement model and experimental evaluations identified a small-molecule CRM1 inhibitor that can selectively ablate extranodal NK/T cell lymphoma cells.
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    1. Chromosomes and Gene Expression

    A nuclear role for the DEAD-box protein Dbp5 in tRNA export

    Azra Lari, Arvind Arul Nambi Rajan ... Ben Montpetit
    Within the nucleus, Dbp5p supports tRNA export providing a parallel mechanism by which this conserved DEAD-box protein functions to support eukaryotic gene expression.
    1. Physics of Living Systems

    Nuclear export inhibition jumbles epithelial–mesenchymal states and gives rise to migratory disorder in healthy epithelia

    Carly M Krull, Haiyi Li, Amit Pathak
    Nuclear export inhibition reveals concurrent epithelial and mesenchymal phenotypes that cause mechanosensitive disorder in collectively migrating epithelia.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Hematopoietic plasticity mapped in Drosophila and other insects

    Dan Hultmark, István Andó
    A critical analysis of recent single-cell transcriptomic studies of Drosophila blood cells confirms the extreme plasticity of the major phagocyte class, identifies a new class of blood cell, and suggests relationships to blood cells in other insects.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A non-canonical mechanism for Crm1-export cargo complex assembly

    Ute Fischer, Nico Schäuble ... Vikram Govind Panse
    Slx9 is a newly discovered type of RanGTP-binding protein required for Crm1-mediated nuclear export.
    1. Cell Biology

    A tRNA processing enzyme is a key regulator of the mitochondrial unfolded protein response

    James P Held, Gaomin Feng ... Maulik R Patel
    A key role for RNAs in sensing and mounting a response to mitochondrial stress.
    1. Structural Biology and Molecular Biophysics

    Structures of the ATP-fueled ClpXP proteolytic machine bound to protein substrate

    Xue Fei, Tristan A Bell ... Robert T Sauer
    Cryo-EM structures of the ClpXP protease reveal how protein substrates are bound, show how spiral ClpX hexamers bind symmetry-mismatched heptameric ClpP rings, and suggest mechanisms for processive substrate translocation.

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