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

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

    Ute Fischer et al.
    Slx9 is a newly discovered type of RanGTP-binding protein required for Crm1-mediated nuclear export.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural determinants of nuclear export signal orientation in binding to exportin CRM1

    Ho Yee Joyce Fung et al.
    Some nuclear export signals (NESs) bind to the transport receptor CRM1 in the opposite orientation to those previously studied.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Chromatin-prebound Crm1 recruits Nup98-HoxA9 fusion to induce aberrant expression of Hox cluster genes

    Masahiro Oka et al.
    Nup98-HoxA9 is recruited to Hox gene cluster regions together with the chromosomally pre-bound nuclear export factor Crm1, which induces aberrant expression of several Hox genes and affecting the differentiation of embryonic stem cells.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

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

    Koray Kırlı et al.
    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. Developmental Biology
    2. Genetics and Genomics

    CRISPR/Cas9 and active genetics-based trans-species replacement of the endogenous Drosophila kni-L2 CRM reveals unexpected complexity

    Xiang-Ru Shannon Xu et al.
    Dissection of a cis-regulatory element (CRM) in its native chromosomal context using CRISPR/Cas9 editing and novel 'Active Genetics' reveals new features of CRM function and insights into how such regulatory elements change during evolution.
    1. Structural Biology and Molecular Biophysics

    Nuclear export receptor CRM1 recognizes diverse conformations in nuclear export signals

    Ho Yee Joyce Fung et al.
    Building on previous work (Fung et al., 2015), the structures of eight new nuclear export signal (NES) peptides bound to Exportin CRM1 are reported, revealing striking diversity in NES structures, a small conserved secondary structural element, and a CRM1 residue that functions as a selectivity filter.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    DNA damage shifts circadian clock time via Hausp-dependent Cry1 stabilization

    Stephanie J Papp et al.
    The circadian clock proteins, cryptochrome 1 (Cry1) and 2 (Cry2), evolved from bacterial light-activated DNA repair enzymes to detect DNA damage and coordinate the gene expression response.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    The export receptor Crm1 forms a dimer to promote nuclear export of HIV RNA

    David S Booth et al.
    The nuclear export receptor Crm1 cooperatively binds its HIV Rev-RRE cargo as a dimer using a species-specific interface that supports viral replication by enhancing nuclear export of HIV RNA.
    1. Cell Biology

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

    Xun X Bao et al.
    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. Developmental Biology

    Heg1 and Ccm1/2 proteins control endocardial mechanosensitivity during zebrafish valvulogenesis

    Stefan Donat et al.
    The cerebral cavernous malformations complex is controlled in a blood-flow sensitive manner and affects cardiac valve leaflet morphogenesis by regulating the expression of Klf2 and of Notch signalling activity.

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