1,550 results found
    1. Microbiology and Infectious Disease

    A frameshift in Yersinia pestis rcsD alters canonical Rcs signalling to preserve flea-mammal plague transmission cycles

    Xiao-Peng Guo, Hai-Qin Yan ... Yi-Cheng Sun
    Pseudogenization of rcsD alters canonical Rcs phosphorelay signalling and marks a significant adaptive evolutionary step in the emergence of ubiquitous extant branches of Yersinia pestis that can maintain stable plague outbreaks.
    1. Microbiology and Infectious Disease

    Defining the function of OmpA in the Rcs stress response

    Kilian Dekoninck, Juliette Létoquart ... Jean-Francois Collet
    In vivo and in vitro approaches uncover a new function for the β-barrel OmpA and reveal how it interacts with the stress sensor lipoprotein RcsF.
    1. Microbiology and Infectious Disease

    A lipoprotein/β-barrel complex monitors lipopolysaccharide integrity transducing information across the outer membrane

    Anna Konovalova, Angela M Mitchell, Thomas J Silhavy
    Mutations that block assembly of the interlocked RcsF/β barrel protein complex prevent detection of lipopolysaccharide stress and activation of Rcs signal transduction pathway.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    Discovering root causal genes with high-throughput perturbations

    Eric V Strobl, Eric Gamazon
    Root causal genes correspond to the initial changes to gene expression that induce a diagnosis and can be reliably detected from bulk RNA-seq after determining a causal ordering from Perturb-seq.
    1. Neuroscience

    Revealing the distribution of transmembrane currents along the dendritic tree of a neuron from extracellular recordings

    Dorottya Cserpán, Domokos Meszéna ... Daniel K Wójcik
    A computational method reveals current sources along the dendritic tree of a single neuron of known morphology from extracellular potential.
    1. Neuroscience

    Assessment of neurovascular coupling and cortical spreading depression in mixed mouse models of atherosclerosis and Alzheimer’s disease

    Osman Shabir, Ben Pendry ... Jason Berwick
    Mice modelling atherosclerosis show neurovascular breakdown in the cortex compared to healthy controls, and inducing atherosclerosis in mice modelling Alzheimer's disease increases the number of amyloid plaques in the hippocampus.
    1. Neuroscience

    Stimulus dependence of directed information exchange between cortical layers in macaque V1

    Marc Alwin Gieselmann, Alexander Thiele
    Stimulus-induced causal interactions in the gamma range can flow in direction opposite to the canonical microcircuit, violating the notion that they are signatures of feedforward communication.
    1. Structural Biology and Molecular Biophysics

    Structural dynamics of the active HER4 and HER2/HER4 complexes is finely tuned by different growth factors and glycosylation

    Raphael Trenker, Devan Diwanji ... Natalia Jura
    Cryo-EM structures uncover glycosylation in the ectodomains of full-length HER4 homodimer and HER2/HER4 heterodimer complexes, revealing how the binding of various growth factors alters dynamics at the dimerization interface.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    High-resolution structures of multiple 5-HT3AR-setron complexes reveal a novel mechanism of competitive inhibition

    Sandip Basak, Arvind Kumar ... Sudha Chakrapani
    Cryo-electron microscopic structures of 5-HT3A receptor in complex with first and second generations of clinically used setron reveal the molecular basis for their binding modes and mechanisms of inhibitory action.
    1. Developmental Biology

    Developmental lineage priming in Dictyostelium by heterogeneous Ras activation

    Alex Chattwood, Koki Nagayama ... Christopher RL Thompson
    The probability of a cellular response to a differentiation inducing signal is correlated with the dynamic expression of a Ras protein, and produces a ‘salt and pepper’ pattern of cell differentiation.

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