2,916 results found
    1. Microbiology and Infectious Disease

    Cellular entry and uncoating of naked and quasi-enveloped human hepatoviruses

    Efraín E Rivera-Serrano et al.
    Quasi-enveloped hepatitis A virions undergo clathrin-mediated endocytosis, followed by ALIX-dependent trafficking to lysosomes where the quasi-envelope is degraded, triggering uncoating of the RNA genome in association with lysosomal membrane rupture.
    1. Structural Biology and Molecular Biophysics

    Architectural principles for Hfq/Crc-mediated regulation of gene expression

    Xue Yuan Pei et al.
    Structural insights show how RNA chaperones cooperate to recognise defined target transcripts and suppress gene expression.
    1. Structural Biology and Molecular Biophysics

    The complete structure of the human TFIIH core complex

    Basil J Greber et al.
    The structure of human transcription factor IIH, a critical DNA repair and transcription initiation factor, has been determined by cryo-electron microscopy.
    1. Neuroscience

    Complementary networks of cortical somatostatin interneurons enforce layer specific control

    Alexander Naka et al.
    Subtypes of dendrite-targeting somatostatin cells segregate into separate networks by specifically connecting with neurons in different layers, forming circuits that could independently control different input pathways to the neocortex.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Nuclear genetic regulation of the human mitochondrial transcriptome

    Aminah T Ali et al.
    Common nuclear genetic variants are associated with fundamental biological processes occurring in human mitochondria and potentially point to novel roles for nuclear genes in transcriptional regulation of the mitochondrial genome.
    1. Physics of Living Systems

    Upper bound on the biological effects of 50/60 Hz magnetic fields mediated by radical pairs

    PJ Hore
    Any effects of environmental 50/60 Hz magnetic fields on human biology due to a radical pair mechanism should be no more dangerous than those incurred by travelling a few kilometres.
    1. Cell Biology

    Aurora A depletion reveals centrosome-independent polarization mechanism in Caenorhabditis elegans

    Kerstin Klinkert et al.
    Experiments reveal mechanisms through which Caenorhabditis elegans zygotes depleted of Aurora A or lacking centrosomes spontaneously establish two posterior PAR-2 domains, one at each pole, in a curvature-dependent manner.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    H3K9me3 is required for inheritance of small RNAs that target a unique subset of newly evolved genes

    Itamar Lev et al.
    In Caenorhabditis elegans histone methylation (H3K9me3) controls the synthesis of heritable small RNAs in a gene-specific manner and thus enables 'flagging' of newly-acquired genes.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Connexin-43-dependent ATP release mediates macrophage activation during sepsis

    Michel Dosch et al.
    Autocrine activation of macrophages is modulated by Connexin-43-mediated ATP release in response to TLR-4 and -2 agonists in a P2Y1-dependent manner, ultimately determining sepsis survival.
    1. Cell Biology

    The proteasome biogenesis regulator Rpn4 cooperates with the unfolded protein response to promote ER stress resistance

    Rolf M Schmidt et al.
    Endoplasmic reticulum stress in yeast activates not only the UPR but also Rpn4, promoting the clearance of misfolded proteins from the cytosol as part of a modular cross-compartment stress response.

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