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    1. Developmental Biology

    Computational 3D histological phenotyping of whole zebrafish by X-ray histotomography

    Yifu Ding, Daniel J Vanselow ... Keith C Cheng
    X-ray histotomography produces the first 3-dimensional images with the combined submicron resolution, centimeter fields-of-view, soft-tissue contrast, and potential throughput to enable quantitative, histopathological and centimeter-scale phenotyping for whole-organism phenomics.
    1. Neuroscience

    Ultrastructural heterogeneity of layer 4 excitatory synaptic boutons in the adult human temporal lobe neocortex

    Rachida Yakoubi, Astrid Rollenhagen ... Joachim HR Lübke
    Neocortical synapses in layer 4 of the human temporal lobe neocortex were quantitatively characterized, at the subcellular level, using high-end, high-resolution electron microscopy and 3D-volume reconstructions.
    1. Neuroscience

    FluoEM, virtual labeling of axons in three-dimensional electron microscopy data for long-range connectomics

    Florian Drawitsch, Ali Karimi ... Moritz Helmstaedter
    Methodology to annotate the multiple origins of axonal projections in dense electron microscopy data of mammalian nervous tissue without the need of chemical label conversion is reported.
    1. Evolutionary Biology

    New light shed on the early evolution of limb-bone growth plate and bone marrow

    Jordi Estefa, Paul Tafforeau ... Sophie Sanchez
    A three-dimensional investigation of extinct-tetrapod limbs shows that even though bone elongation and blood-cell production are intimately related to mammal long bones, these functions actually appeared successively in tetrapod evolution.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Baited reconstruction with 2D template matching for high-resolution structure determination in vitro and in vivo without template bias

    Bronwyn A Lucas, Benjamin A Himes, Nikolaus Grigorieff
    2D template matching enables a streamlined single-particle cryogenic electron microscopy workflow that can be used to discover new high-resolution structural features in molecules and complexes, such as bound ligands and drugs.
    1. Neuroscience

    Analysis of rod/cone gap junctions from the reconstruction of mouse photoreceptor terminals

    Munenori Ishibashi, Joyce Keung ... Stephen C Massey
    Each cone terminal is electrically coupled to around 50 nearby rods, forming a switchable circuit, known as the secondary rod pathway, in which all gap junction channels participate.
    1. Neuroscience
    2. Evolutionary Biology

    The first complete 3D reconstruction and morphofunctional mapping of an insect eye

    Anastasia A Makarova, Nicholas J Chua ... Alexey A Polilov
    Not revised
    Reviewed Preprint v1
    • Valuable
    • Compelling
    • Exceptional
    1. Neuroscience

    GluA3 subunits are required for appropriate assembly of AMPAR GluA2 and GluA4 subunits on cochlear afferent synapses and for presynaptic ribbon modiolar–pillar morphology

    Mark A Rutherford, Atri Bhattacharyya ... Maria Eulalia Rubio
    Ultrastructural and imaging studies of cochlear ribbon synapses demonstrate cis- and trans-synaptic molecular and structural effects in the absence of the AMPA-type glutamate receptor subunit GluA3 during mouse development in ambient sound levels.
    1. Immunology and Inflammation
    2. Medicine

    3D virtual pathohistology of lung tissue from Covid-19 patients based on phase contrast X-ray tomography

    Marina Eckermann, Jasper Frohn ... Tim Salditt
    Phase contrast X-ray tomography based on a combination of parallel and cone beam geometry extends conventional histology by a third dimension and enables full quantication of tissue remodeling in COVID-19.
    1. Neuroscience

    A high-throughput neurohistological pipeline for brain-wide mesoscale connectivity mapping of the common marmoset

    Meng Kuan Lin, Yeonsook Shin Takahashi ... Partha Mitra
    A systematic high-throughput neurohistological and computational pipeline for marmoset which establishes a foundational setup in brain mapping and circuit tracing to support current and emerging research in primate studies.