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

    SM proteins Sly1 and Vps33 co-assemble with Sec17 and SNARE complexes to oppose SNARE disassembly by Sec18

    Braden T Lobingier, Daniel P Nickerson ... Alexey J Merz
    Sec1/Munc18 (SM) proteins shield SNARE complexes from NSF/Sec18-mediated disassembly through cooperative binding interactions with SNARE complexes and the universal co-chaperone α-SNAP/Sec17.
    1. Evolutionary Biology

    Determining the probability of hemiplasy in the presence of incomplete lineage sorting and introgression

    Mark S Hibbins, Matthew JS Gibson, Matthew W Hahn
    Introgression makes hemiplasy more likely, and the probability of hemiplasy incorporating incomplete lineage sorting (ILS) and introgression can be estimated using the presented simulation software.
    1. Cell Biology

    Bid maintains mitochondrial cristae structure and function and protects against cardiac disease in an integrative genomics study

    Christi T Salisbury-Ruf, Clinton C Bertram ... Sandra S Zinkel
    An integrative approach, combining genetic mouse and large-scale human genetics studies, was used to reveal a novel role for the Bcl-2 protein Bid in maintenance of mitochondrial function that alters susceptibility to myocardial infarction.
    1. Chromosomes and Gene Expression

    Kinetic competition during the transcription cycle results in stochastic RNA processing

    Antoine Coulon, Matthew L Ferguson ... Daniel R Larson
    Real-time single-molecule visualization of transcription and splicing in living cells reveals that RNA synthesis and processing can occur through multiple pathways on the same gene.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Insights into the molecular architecture and histone H3-H4 deposition mechanism of yeast Chromatin assembly factor 1

    Paul Victor Sauer, Jennifer Timm ... Daniel Panne
    The CAF1 complex binds single histone H3-H4 dimers, and two such complexes associate with extended DNA elements to ensure the deposition of H3-H4 tetramers, the first step in the assembly of nucleosomes.
    1. Neuroscience

    Ankyrin-R regulates fast-spiking interneuron excitability through perineuronal nets and Kv3.1b K+ channels

    Sharon R Stevens, Colleen M Longley ... Matthew N Rasband
    Analysis of AnkyrinR conditional knockout mice shows that AnkyrinR regulates PV+ fast-spiking interneurons by organizing and maintaining perineuronal nets and through the membrane clustering of Kv3.1b K+ channels.
    1. Evolutionary Biology
    2. Immunology and Inflammation

    Enhancing and inhibitory motifs regulate CD4 activity

    Mark S Lee, Peter J Tuohy ... Michael S Kuhns
    Eutherian CD4 evolved counterbalancing motifs in the extracellular, transmembrane, and intracellular domains that regulate CD4+ T cell responses to peptide antigens presented by class II MHC (pMHCII).
    1. Neuroscience

    Early detection of cerebrovascular pathology and protective antiviral immunity by MRI

    Li Liu, Steve Dodd ... Alan P Koretsky
    A MRI study of virally infected CNS demonstrates the utility of MRI in detecting the earliest pathological events and studying pathogen-specific T cells at the level of single cell as well as the therapeutic potential of antiviral T cells.
    1. Medicine

    Concentration-dependent mortality of chloroquine in overdose

    James A Watson, Joel Tarning ... Nicholas J White
    Most chloroquine regimens trialled for the treatment of COVID19 will not result in life-threatening cardiovascular toxicity.
    1. Developmental Biology

    Epigenetic regulation of hematopoiesis by DNA methylation

    Aniket V Gore, Brett Athans ... Brant M Weinstein
    Methylation of a key transcription factor gene by a de novo DNA methyltransferase assures the maintenance of hematopoietic stem cell fate.

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