1,707 results found
    1. Structural Biology and Molecular Biophysics

    Structural dynamics determine voltage and pH gating in human voltage-gated proton channel

    Shuo Han, Sophia Peng ... Shizhen Wang
    Visualization of the real-time conformational transitions of the human voltage-gated proton channel hHv1 provided novel insights into how voltage and pH gradients modify the dynamic behaviors of channel structures to control proton flow across membrane.
    1. Evolutionary Biology

    Spatial and temporal distribution of ribosomes in single cells reveals aging differences between old and new daughters of Escherichia coli

    Lin Chao, Chun Kuen Chan ... Ulla Camilla Rang
    Differences in the ribosomal densities of the two daughters produced by a mother Escherichia coli could explain the asymmetry of aging and growth rate in previously reported such daughter pairs.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Quantitative proteomics reveals the selectivity of ubiquitin-binding autophagy receptors in the turnover of damaged lysosomes by lysophagy

    Vinay V Eapen, Sharan Swarup ... J Wade Harper
    A combination of spatial proteomic and autophagic flux approaches was used to reveal the landscape of turnover of damaged lysosomes, demonstrating a key role for the autophagy receptor TAX1BP1 and its associated kinase TBK1 in both HeLa cells and iNeurons.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structures of S-OPA1 reveal its interactions with membrane and changes upon nucleotide binding

    Danyang Zhang, Yan Zhang ... Fei Sun
    GTP binding induces rearrangement of S-OPA1 assembly on membrane and thus triggers membrane remodeling with reduced curvature.
    1. Genetics and Genomics

    The endonuclease Cue2 cleaves mRNAs at stalled ribosomes during No Go Decay

    Karole N D'Orazio, Colin Chih-Chien Wu ... Rachel Green
    Cue2 is an endonuclease that cleaves mRNA in the A site of the lagging ribosome upon ribosome collision events.
    1. Chromosomes and Gene Expression
    2. Neuroscience

    GTPBP1 resolves paused ribosomes to maintain neuronal homeostasis

    Markus Terrey, Scott I Adamson ... Susan L Ackerman
    The translational GTPase GTPBP1 prevents ribosome stalling during tRNA deficiency and is necessary for neuronal survival.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Architecture of the ring formed by the tubulin homologue FtsZ in bacterial cell division

    Piotr Szwedziak, Qing Wang ... Jan Löwe
    The architecture of the bacterial cytokinetic ring in cells and in artificial liposome reconstitutions has been described using electron microscopy, leading to a mechanism of constriction.
    1. Cell Biology

    Rab12 is a regulator of LRRK2 and its activation by damaged lysosomes

    Xiang Wang, Vitaliy V Bondar ... Anastasia G Henry
    Rab12 was identified as a key modulator of LRRK2-dependent Rab phosphorylation that mediates the recruitment of LRRK2 to lysosomes in response to damage.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Mapping translation 'hot-spots' in live cells by tracking single molecules of mRNA and ribosomes

    Zachary B Katz, Brian P English ... Robert H Singer
    A method that involves simultaneous tracking of individual mRNAs and their associated ribosomes can be used to determine when and where individual molecules get translated in living cells.
    1. Biochemistry and Chemical Biology

    Ribosomes slide on lysine-encoding homopolymeric A stretches

    Kristin S Koutmou, Anthony P Schuller ... Rachel Green
    Ribosomes undergo an unanticipated movement (‘sliding’) while translating homopolymeric A sequences, which provides a biochemical rationale for the observation that iterated AAA codons are under-represented in gene-coding sequences.

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