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    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Nanobodies: site-specific labeling for super-resolution imaging, rapid epitope-mapping and native protein complex isolation

    Tino Pleiner, Mark Bates ... Dirk Görlich
    Protocols that greatly simplify the use of nanobodies in fluorescence imaging and affinity purification have been developed.
    1. Cell Biology

    Exportin Crm1 is repurposed as a docking protein to generate microtubule organizing centers at the nuclear pore

    Xun X Bao, Christos Spanos ... Kenneth E Sawin
    Microtubule nucleation from the nuclear envelope in fission yeast involves repurposing of nuclear export proteins for a non-export-related function, docking cytoplasmic proteins at nuclear pore complexes.
    1. Cell Biology

    Cytosolic Hsp70 and co-chaperones constitute a novel system for tRNA import into the nucleus

    Akira Takano, Takuya Kajita ... Tohru Yoshihisa
    A major cytoplasmic chaperone, Ssa2p, acts as a nuclear import carrier for tRNAs upon nutrient starvation in Saccharomyces cerevisiae.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Mitotically heritable, RNA polymerase II-independent H3K4 dimethylation stimulates INO1 transcriptional memory

    Bethany Sump, Donna G Brickner ... Jason H Brickner
    During epigenetic transcriptional memory in budding yeast, histone H3 lysine 4 dimethylation - dependent on Nup1000 and independent of RNA polymerase II - regulates binding of a critical transcription factor and, once established, is mitotically heritable for at least four cell divisions.
    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. 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.
  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.
    1. Cancer Biology
    2. Cell Biology

    ahctf1 and kras mutations combine to amplify oncogenic stress and restrict liver overgrowth in a zebrafish model of hepatocellular carcinoma

    Kimberly J Morgan, Karen Doggett ... Joan K Heath
    ELYS, a multifunctional protein with critical roles in the cell cycle, is essential for the vigorous proliferation and survival of difficult-to-treat cancers carrying mutations in the KRAS oncogene, making it a compelling target for novel drug treatments.
    1. Genetics and Genomics
    2. Neuroscience

    Traumatic injury compromises nucleocytoplasmic transport and leads to TDP-43 pathology

    Eric N Anderson, Andrés A Morera ... Udai Bhan Pandey
    Traumatic injury leads to functional defects in nucleocytoplasmic transport and TDP-43 pathology in multiple model systems.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    The deubiquitylase Ubp15 couples transcription to mRNA export

    Fanny Eyboulet, Célia Jeronimo ... François Robert
    Ubp15 regulates the ubiquitylation of the export adaptor Mex67.