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    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Inhibition of SARS-CoV-2 polymerase by nucleotide analogs from a single-molecule perspective

    Mona Seifert, Subhas C Bera ... David Dulin
    High-throughput and ultra-stable magnetic tweezers reveal that Remdesivir induces a long-lived backtrack pause upon incorporation by the coronavirus polymerase, and SARS-CoV-2 is able to evade interferon-induced antiviral ddhCTP.
    1. Microbiology and Infectious Disease

    Cryo-electron tomography reveals novel features of a viral RNA replication compartment

    Kenneth J Ertel, Desirée Benefield ... Paul Ahlquist
    Cryo-electron tomography unveils striking new structural components of positive-strand virus RNA replication compartments, greatly advancing mechanistic insights into the structure, assembly, function and control of these critical complexes.
    1. Structural Biology and Molecular Biophysics

    Sampling the conformational space of the catalytic subunit of human γ-secretase

    Xiao-chen Bai, Eeson Rajendra ... Sjors HW Scheres
    A masked cryo-EM image classification approach and the structure of an inhibitor-bound complex provide insights into the molecular flexibility of the catalytic subunit of gamma-secretase.
    1. Epidemiology and Global Health
    2. Genetics and Genomics

    Single mosquito metatranscriptomics identifies vectors, emerging pathogens and reservoirs in one assay

    Joshua Batson, Gytis Dudas ... Hanna Retallack
    How large-scale single mosquito metatranscriptomics can define the mosquito’s complex microbiota and its blood meal sources, and contribute critical epidemiological information needed to control vector borne disease transmission, is shown.
    1. Microbiology and Infectious Disease

    A single mutation in Crimean-Congo hemorrhagic fever virus discovered in ticks impairs infectivity in human cells

    Brian L Hua, Florine EM Scholte ... Éric Bergeron
    Tick-derived sequence variation in the fusion glycoprotein of Crimean-Congo hemorrhagic fever virus (CCHFV) drastically impairs infection of mammalian cells, suggesting that certain CCHFV strains undergo purifying selection in mammalian hosts.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Rapid cloning-free mutagenesis of new SARS-CoV-2 variants using a novel reverse genetics platform

    Enja Tatjana Kipfer, David Hauser ... Thomas Klimkait
    CLEVER enables the rapid manipulation and direct rescue of plus-strand RNA viruses with the shortest hands-on time to study viral variants of concern.
    1. Cell Biology

    The ER membrane protein complex interacts cotranslationally to enable biogenesis of multipass membrane proteins

    Matthew J Shurtleff, Daniel N Itzhak ... Jonathan S Weissman
    The ER membrane protein complex promotes the biogenesis of a subset multipass membrane proteins enriched for transporters and other proteins with destabilizing features in transmembrane domains.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Dengue genetic divergence generates within-serotype antigenic variation, but serotypes dominate evolutionary dynamics

    Sidney M Bell, Leah Katzelnick, Trevor Bedford
    Each dengue serotype contains moderate antigenic diversity, and population immunity drives clade turnover in a hyperendemic population.
    1. Neuroscience

    CXCR3-expressing myeloid cells recruited to the hypothalamus protect against diet-induced body mass gain and metabolic dysfunction

    Natalia Mendes, Ariane Zanesco ... Licio A Velloso
    A subset of myeloid cells expressing CXCR3 is recruited to the hypothalamus and protects against the metabolic abnormalities generated in diet-induced obesity.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Molecular rationale for antibody-mediated targeting of the hantavirus fusion glycoprotein

    Ilona Rissanen, Robert Stass ... Thomas A Bowden
    An integrated cryoEM and X-ray crystallography study resolves the structural basis for antibody-mediated targeting of the hantavirus fusion glycoprotein and provides insight into the conformational landscape of the hantavirion surface.