61 results found
    1. Structural Biology and Molecular Biophysics

    A critical residue in the α1M2–M3 linker regulating mammalian GABAA receptor pore gating by diazepam

    Joseph W Nors et al.
    The role of an important gating domain in linkage between the benzodiazepine drug-binding site and the pore gate in GABAA receptors.
    1. Structural Biology and Molecular Biophysics

    Structures of two aptamers with differing ligand specificity reveal ruggedness in the functional landscape of RNA

    Andrew John Knappenberger et al.
    RNA aptamers that are closely related and share a common scaffold can readily adapt to recognize new ligands through changes in just a few nucleotides.
    1. Structural Biology and Molecular Biophysics

    The molecular basis for an allosteric inhibition of K+-flux gating in K2P channels

    Susanne Rinné et al.
    A combined systematic alanine scanning and molecular modelling approach reveals the molecular basis for an allosteric inhibition mechanism of K+-flux gating in K2P channels.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Mutations that improve efficiency of a weak-link enzyme are rare compared to adaptive mutations elsewhere in the genome

    Andrew B Morgenthaler et al.
    Mutations elsewhere in the genome play critical roles in improving fitness during amplification and divergence of a gene encoding a weak-link enzyme whose inefficiency limits growth rate.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Identification of a pre-active conformation of a pentameric channel receptor

    Anaïs Menny et al.
    Allosteric reorganizations of a bacterial channel receptor are mapped along the protein structure, using the site-directed bimane quenching fluorescence technique, through parallel real-time conformational and electrophysiological recordings.
    1. Cell Biology
    2. Cancer Biology

    Tumor microenvironment derived exosomes pleiotropically modulate cancer cell metabolism

    Hongyun Zhao et al.
    Exosomes from cancer-associated fibroblasts enhance the "Warburg effect" in tumors and contain de novo metabolites that can contribute to the entire compendia of central carbon metabolism within cancer cells.
    1. Cell Biology
    2. Neuroscience

    Transsynaptic interactions between IgSF proteins DIP-α and Dpr10 are required for motor neuron targeting specificity

    James Ashley et al.
    Synaptic partner recognition in the Drosophila neuromuscular circuit requires interactions between the Dpr and DIP subfamilies of immunoglobulin cell-surface proteins.
    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. Meta-Research: How significant are the public dimensions of faculty work in review, promotion and tenure documents?

    Juan P Alperin et al.
    An analysis of review, promotion and tenure documents from 129 US and Canadian universities suggests institutions could better fulfill their public missions by changing how they incentivize the public dimensions of faculty work.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Computational prediction of CTCF/cohesin-based intra-TAD loops that insulate chromatin contacts and gene expression in mouse liver

    Bryan J Matthews, David J Waxman
    Certain types of 3D chromatin loops are easy to predict from existing or easily obtainable 2D information, which benefits gene expression studies in tissues/cells/organisms without extensive pre-existing 3D information.

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