6,152 results found
    1. Structural Biology and Molecular Biophysics

    Structure of a type IV pilus machinery in the open and closed state

    Vicki AM Gold, Ralf Salzer ... Werner Kühlbrandt
    Electron cryo-tomography reveals a huge conformational change in the secretin domain of the type IV pilus machinery that occurs when the channel opens for pilus extrusion.
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    1. Cell Biology
    2. Physics of Living Systems

    Concerted action of kinesins KIF5B and KIF13B promotes efficient secretory vesicle transport to microtubule plus ends

    Andrea Serra-Marques, Maud Martin ... Anna Akhmanova
    The function and distribution of kinesin motors on exocytotic vesicles is dissected and visualized through a combination of gene knockout experiments, high-resolution microscopy and advanced data analysis.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Functional role of the type 1 pilus rod structure in mediating host-pathogen interactions

    Caitlin N Spaulding, Henry Louis Schreiber IV ... Edward H Egelman
    The helical rod structure and dynamic spring-like properties of the type 1 pilus are evolutionarily fine-tuned for functioning in host-pathogen interactions during urinary tract infection and gut colonization.
    1. Cell Biology

    Reconstitution of dynein transport to the microtubule plus end by kinesin

    Anthony J Roberts, Brian S Goodman, Samara L Reck-Peterson
    In vitro reconstitution reveals how a system of molecules works together to transport the motor protein dynein to the start of its track.
    1. Cell Biology

    Microtubule plus-ends act as physical signaling hubs to activate RhoA during cytokinesis

    Vikash Verma, Thomas J Maresca
    MT plus-end-mediated recruitment of a cortical pool of ECT2 trigger RhoA activation upon contact, which results in localized contractility during cytokinesis.
    1. Neuroscience

    Cortical activity during naturalistic music listening reflects short-range predictions based on long-term experience

    Pius Kern, Micha Heilbron ... Eelke Spaak
    When a person listens to music, their brain continually predicts upcoming notes, based on that person's likely lifelong musical experience.
    1. Computational and Systems Biology
    2. Stem Cells and Regenerative Medicine

    The biphasic and age-dependent impact of klotho on hallmarks of aging and skeletal muscle function

    Zachary Clemens, Sruthi Sivakumar ... Fabrisia Ambrosio
    Transcriptomic analysis using a novel information-based network entropy approach provides mechanistic insights into the ability of Klotho to successfully ameliorate age-related sarcopenia in old mice, but not oldest-old mice.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structure of the bifunctional secretin complex of Thermus thermophilus

    Edoardo D'Imprima, Ralf Salzer ... Beate Averhoff
    The pilus extrusion/DNA uptake system of Thermus thermophilus contains a 13-mer of the 757-residue PilQ protein and a tightly bound protein outside the outer membrane with a role in DNA binding.
    1. Cell Biology

    Rapid binding to protofilament edge sites facilitates tip tracking of EB1 at growing microtubule plus-ends

    Samuel J Gonzalez, Julia M Heckel ... Melissa K Gardner
    Computational modeling combined with biophysical and cellular experiments reveal that rapid binding to incomplete, partial microtubule binding sites facilitates tracking of the end-binding protein EB1 with growing microtubule plus-ends.
    1. Cell Biology
    2. Computational and Systems Biology

    Remote control of microtubule plus-end dynamics and function from the minus-end

    Xiuzhen Chen, Lukas A Widmer ... Yves Barral
    A mechanism for yeast centrosomes to differentiate the microtubule cytoskeleton.

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