7,332 results found
    1. Chromosomes and Gene Expression

    Super-resolution imaging of a 2.5 kb non-repetitive DNA in situ in the nuclear genome using molecular beacon probes

    Yanxiang Ni et al.
    Molecular beacon based FISH shows the capability of visualizing a 2.5 kb non-repetitive genomic DNA sequence in situ in human or mouse nuclear genome at super resolution.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Cellular encoding of Cy dyes for single-molecule imaging

    Lilia Leisle et al.
    Cyanine fluorophores are encoded as non-canonical amino acids to produce functional proteins in cell-free translation systems and live cells for single-molecule imaging.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    3D in situ imaging of the female reproductive tract reveals molecular signatures of fertilizing spermatozoa in mice

    Lukas Ded et al.
    Fertilizing mouse spermatozoa, characterized by intact CatSper channels, lack of protein tyrosine phosphorylation, and reacted acrosomes, in the female reproductive tract provide molecular insight into sperm selection for successful fertilization.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    3D imaging of Sox2 enhancer clusters in embryonic stem cells

    Zhe Liu et al.
    Lattice light-sheet single-molecule imaging shows 3D Sox2 enhancer clusters in live embryonic stem cells and reveals a model linking 3D spatial distribution of cis-elements, differential target search features and localized gene regulation.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    CTCF and cohesin regulate chromatin loop stability with distinct dynamics

    Anders S Hansen et al.
    Single-molecule imaging of CTCF and cohesin in live cells suggests that chromatin loops are dynamic structures that frequently form and fall apart.
    1. Structural Biology and Molecular Biophysics

    PIE-scope, integrated cryo-correlative light and FIB/SEM microscopy

    Sergey Gorelick et al.
    The PIE-scope resolves the limitations in correlative cryo-focused ion beam milling by adding robustness and ease of use to the workflow.
    1. Cancer Biology

    A hyperspectral method to assay the microphysiological fates of nanomaterials in histological samples

    Elliott D SoRelle et al.
    A new technique for biodistribution and targeted uptake studies of nanoparticle imaging agents is demonstrated and used to achieve levels of detail that are inaccessible through existing methods.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    DNA binding polarity, dimerization, and ATPase ring remodeling in the CMG helicase of the eukaryotic replisome

    Alessandro Costa et al.
    The Mcm2-7 motor unwinds DNA using an approach distinct from that of superfamily III helicases, and accesses multiple ring configurations and assembly states during the initiation of DNA replication.
    1. Stem Cells and Regenerative Medicine

    Increase of circulating IGFBP-4 following genotoxic stress and its implication for senescence

    Nicola Alessio et al.
    Protein IGFBP-4 acts as a genotoxic stress mediator that, entering into circulation after its secretion by senescent cells, could promote further senescence phenomena in non-injured cells thus impairing tissues’ homeostasis.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Single-molecule imaging of telomerase reverse transcriptase in human telomerase holoenzyme and minimal RNP complexes

    Robert Alexander Wu et al.
    New labeling approaches for single-molecule fluorescence microscopy detect the monomeric catalytic subunit of human telomerase within cellular holoenzyme and minimal active recombinant enzyme.

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