46 results found
    1. Immunology and Inflammation

    Diversity and functional specialization of oyster immune cells uncovered by integrative single cell level investigations

    Sébastien de La Forest Divonne, Juliette Pouzadoux ... Emmanuel Vignal
    Not revised
    Reviewed Preprint v1
    • Important
    • Convincing
    1. Microbiology and Infectious Disease

    Small RNAs from mitochondrial genome recombination sites are incorporated into T. gondii mitoribosomes

    Sabrina Tetzlaff, Arne Hillebrand ... Christian Schmitz-Linneweber
    Sequences at mitochondrial genome recombination sites are dually used as mRNAs and as rRNAs in actively translating mitoribosomes of T. gondii.
    1. Chromosomes and Gene Expression

    Gle1 is required for tRNA to stimulate Dbp5 ATPase activity in vitro and promote Dbp5-mediated tRNA export in vivo in Saccharomyces cerevisiae

    Arvind Arul Nambi Rajan, Ryuta Asada, Ben Montpetit
    In vivo and in vitro characterization demonstrates a direct interaction of Dbp5 with tRNA that requires Gle1 to spatially activate the Dbp5 ATPase cycle for tRNA export in Saccharomyces cerevisiae.
    1. Cell Biology
    2. Neuroscience

    RNA-binding deficient TDP-43 drives cognitive decline in a mouse model of TDP-43 proteinopathy

    Julie C Necarsulmer, Jeremy M Simon ... Todd J Cohen
    Impairing TDP-43 RNA-binding capacity through a single acetylation-mimic mutation alters TDP-43 function and recapitulates biochemical, molecular, and behavioral features of sporadic TDP-43 proteinopathies, thus providing opportunities for new research into pathogenic mechanisms and therapeutic interventions.
    1. Cell Biology
    2. Physics of Living Systems

    Physical basis of the cell size scaling laws

    Romain Rollin, Jean-François Joanny, Pierre Sens
    A theoretical model explains how protein density and nuclear to cell volume ratio are maintained during cell growth, discusses conditions under which this breaks down, and highlights the importance of metabolites, mainly amino acids such as glutamate, in this homeostasis.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Mitotic chromosomes scale to nuclear-cytoplasmic ratio and cell size in Xenopus

    Coral Y Zhou, Bastiaan Dekker ... Rebecca Heald
    A combination of in vivo and in vitro approaches using Xenopus eggs and embryos reveals how dimensions of mitotic chromosomes scale with decreasing cell size and increasing nuclear-cytoplasmic ratio during early embryogenesis.
    1. Biochemistry and Chemical Biology
    2. Immunology and Inflammation

    The RNA helicase DDX39B activates FOXP3 RNA splicing to control T regulatory cell fate

    Minato Hirano, Gaddiel Galarza-Muñoz ... Mariano A Garcia-Blanco
    RNA processing regulates gene expression of the key transcription factor FOXP3 in T regulatory cells impacting immune tolerance and susceptibility to autoimmune disease.
    1. Cell Biology
    2. Neuroscience

    Multiple antagonist calcium-dependent mechanisms control CaM kinase-1 subcellular localization in a C. elegans thermal nociceptor

    Domenica Ippolito, Dominique A Glauser
    A refined analysis of the mechanisms controlling CaM kinase-1 subcellular localization in sensory neurons, a cell-autonomous process known to control nociceptive plasticity and to adjust avoidance behaviors.
    1. Computational and Systems Biology
    2. Medicine

    Spatial modeling reveals nuclear phosphorylation and subcellular shuttling of YAP upon drug-induced liver injury

    Lilija Wehling, Liam Keegan ... Kai Breuhahn
    Nuclear phosphorylation differentially controls the activity of Hippo pathways effectors YAP and TAZ via distinct molecular mechanisms under physiological and tissue damage conditions.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    S6K1 phosphorylates Cdk1 and MSH6 to regulate DNA repair

    Adi Amar-Schwartz, Vered Ben Hur ... Rotem Karni
    Unbiased proteomics and molecular analysis revealed a new role for S6K1 in regulating DNA repair through the orchestrated phosphorylation of CDK1 and MSH6. The findings may explain why RPS6KB1 gene amplification contributed to breast cancer drug resistance.

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