160 results found
    1. Structural Biology and Molecular Biophysics

    Routine single particle CryoEM sample and grid characterization by tomography

    Alex J Noble et al.
    Fiducial-less tomography on single particle cryoEM samples reveals that most particles are adsorbed to the air-water interface and allows for researchers to diagnose and solve sample, grid, ice thickness, collection, and processing issues.
    1. Developmental Biology
    2. Neuroscience

    Frazzled promotes growth cone attachment at the source of a Netrin gradient in the Drosophila visual system

    Orkun Akin, S Lawrence Zipursky
    Direct observation in the developing fly brain indicates that the response of a growth cone in a gradient of a guidance cue is adhesion to the source of the cue rather than attraction by the gradient.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Single-protein detection in crowded molecular environments in cryo-EM images

    J Peter Rickgauer et al.
    High-resolution template matching makes small, densely embedded proteins detectable.
    1. Computational and Systems Biology
    2. Ecology

    TRex, a fast multi-animal tracking system with markerless identification, and 2D estimation of posture and visual fields

    Tristan Walter, Iain D Couzin
    Being fast, memory efficient, easy to use, and with powerful integrated tools, TRex will lower barriers of entry into, and enable more ambitious approaches to, the quantitative study of behavior.
    1. Neuroscience

    Permeabilization-free en bloc immunohistochemistry for correlative microscopy

    Kara A Fulton, Kevin L Briggman
    Immunohistochemical labeling of antigens deep within mouse brain tissue sections was achieved without the need for lipid permeabilization, thereby preserving tissue ultrastructure and enabling correlative light and electron microscopy studies.
    1. Cell Biology
    2. Computational and Systems Biology

    A positive-feedback-based mechanism for constriction rate acceleration during cytokinesis in Caenorhabditis elegans

    Renat N Khaliullin et al.
    Positive feedback between contractile ring myosin and compression-driven cortical flow can explain the exponential accumulation of contractile ring components and constriction rate acceleration that ensures timely cell separation during cytokinesis.
    1. Cell Biology

    Nanoscale architecture of the Schizosaccharomyces pombe contractile ring

    Nathan A McDonald et al.
    Super-resolution microscopy reveals the nanoscale molecular architecture of 29 protein components of a eukaryotic contractile ring relative to the membrane.
    1. Developmental Biology
    2. Physics of Living Systems

    Global constraints within the developmental program of the Drosophila wing

    Vasyl Alba et al.
    A novel mathematical strategy for the integrated analysis of adult body structures quantifies the degree and nature of developmental robustness and its evolutionary implications.
    1. Cancer Biology
    2. Genetics and Genomics

    Genome-wide CRISPR screens of oral squamous cell carcinoma reveal fitness genes in the Hippo pathway

    Annie Wai Yeeng Chai et al.
    Genome-wide CRISPR/Cas9 screens enable the identification of actionable vulnerabilities of oral squamous cell carcinoma, and their unique dependencies on YAP1 and WWTR1 of the Hippo pathway.
    1. Cell Biology
    2. Physics of Living Systems

    The transition state and regulation of γ-TuRC-mediated microtubule nucleation revealed by single molecule microscopy

    Akanksha Thawani et al.
    Four αβ-tubulin dimers associate laterally on γ-TuRC to define the rate-limiting transition state for microtubule nucleation.

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