35 results found
    1. Biochemistry and Chemical Biology

    Didemnin B and ternatin-4 differentially inhibit conformational changes in eEF1A required for aminoacyl-tRNA accommodation into mammalian ribosomes

    Manuel F Juette, Jordan D Carelli ... Scott C Blanchard
    Cyclic peptide natural products didemnin B and ternatin-4 bind the same hydrophobic pocket of eEF1A to inhibit mRNA translation but exhibit kinetic differences that influence rate-limiting conformational changes underpinning aminoacyl-tRNA selection.
    1. Neuroscience

    Cerebrospinal fluid-contacting neuron tracing reveals structural and functional connectivity for locomotion in the mouse spinal cord

    Yuka Nakamura, Miyuki Kurabe ... Masaki Ueno
    Newly developed methods to genetically target cerebrospinal fluid-contacting neurons reveal unique caudorostrally extended projections and recurrent connections in the spinal motor circuitry to control locomotion in mice.
    1. Developmental Biology
    2. Neuroscience

    Multiple guidance mechanisms control axon growth to generate precise T-shaped bifurcation during dorsal funiculus development in the spinal cord

    Bridget M Curran, Kelsey R Nickerson ... Le Ma
    Formation of dorsal axonal tracts in the spinal cord depends on multiple guidance mechanisms that control growth direction of bifurcating axons in the dorsal root entry zone.
    1. Developmental Biology
    2. Plant Biology

    A digital 3D reference atlas reveals cellular growth patterns shaping the Arabidopsis ovule

    Athul Vijayan, Rachele Tofanelli ... Kay Schneitz
    Deep imaging, machine-learning-based segmentation, and tissue annotation resulted in a developmental series of 3D digital ovules with cellular resolution allowing next-level analysis of the ontogenesis of this complex organ.
    1. Developmental Biology

    ZP4 confers structural properties to the zona pellucida essential for embryo development

    Ismael Lamas-Toranzo, Noelia Fonseca Balvís ... Pablo Bermejo-Álvarez
    Zona pellucida requires ZP4 protein to efficiently protect the developing embryo during in vivo pre-implantation development.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Proteolytic maturation of α2δ represents a checkpoint for activation and neuronal trafficking of latent calcium channels

    Ivan Kadurin, Laurent Ferron ... Annette C Dolphin
    Multiple roles of the auxiliary calcium channel α2δ subunits require proteolytic cleavage of the precursor protein into α2 and δ.
    1. Microbiology and Infectious Disease

    LINE-1 retrotransposons facilitate horizontal gene transfer into poxviruses

    M Julhasur Rahman, Sherry L Haller ... Stefan Rothenburg
    A new experimental system of horizontal gene transfer demonstrates that host retrotransposons facilitate the transfer of host genes into poxviruses.
    1. Neuroscience

    Silencing long ascending propriospinal neurons after spinal cord injury improves hindlimb stepping in the adult rat

    Courtney T Shepard, Amanda M Pocratsky ... David SK Magnuson
    Silencing L2 neurons that project to C6 after a T9 contusion, effectively removing spared axons, results in improved paw placement timing and order, and normalizes speed-dependent changes in swing and stance representing a significant neuroanatomical-functional paradox for spinal cord injury.
    1. Structural Biology and Molecular Biophysics

    Structural basis for recognition and remodeling of the TBP:DNA:NC2 complex by Mot1

    Agata Butryn, Jan M Schuller ... Karl-Peter Hopfner
    A structural analysis of the transcription regulator Mot1 in complex with promoter DNA and the proteins TBP and NC2 provides a first structural framework for how a Swi2/Snf2 type remodeler interacts with a histone fold protein:DNA complex.
    1. Neuroscience

    Calpain fosters the hyperexcitability of motoneurons after spinal cord injury and leads to spasticity

    Vanessa Plantier, Irene Sanchez-Brualla ... Frédéric Brocard
    Calpain is a promising therapeutic target to reduce spasticity after a spinal cord injury.

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