2,388 results found
    1. Genetics and Genomics

    Ovariectomy uncouples lifespan from metabolic health and reveals a sex-hormone-dependent role of hepatic mTORC2 in aging

    Sebastian I Arriola Apelo, Amy Lin ... Dudley W Lamming
    Metabolic health and longevity can be separated by ovariectomy, which also protects female mice lacking hepatic mTORC2 from midlife mortality.
    1. Neuroscience

    CaImAn an open source tool for scalable calcium imaging data analysis

    Andrea Giovannucci, Johannes Friedrich ... Eftychios A Pnevmatikakis
    CaImAn is an open-software package that equips the neuroscience community with a set of turnkey, fast and scalable solutions to pre-processing problems arising in single cell calcium imaging data analysis.
    1. Structural Biology and Molecular Biophysics

    Structural basis of Ca2+-dependent activation and lipid transport by a TMEM16 scramblase

    Maria E Falzone, Jan Rheinberger ... Alessio Accardi
    Structures of a TMEM16 phospholipid scramblase reveal that its Ca2+-dependent activation entails global conformational changes and how these rearrangements affect the membrane to enable transbilayer lipid transfer.
    1. Chromosomes and Gene Expression

    Importance of miRNA stability and alternative primary miRNA isoforms in gene regulation during Drosophila development

    Li Zhou, Mandy Yu Theng Lim ... Katsutomo Okamura
    Selective degradation of mature miRNAs shapes temporal miRNA expression patterns and is important for proper regulation of target genes to support normal development of Drosophila embryos.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Autotrophic growth of Escherichia coli is achieved by a small number of genetic changes

    Roee Ben Nissan, Eliya Milshtein ... Ron Milo
    Achieving autotrophy in E. coli by introducing a small number of genetic changes crosses a milestone in engineering major metabolic transitions and paves a way for sustainable bio-production from CO2.
    1. Structural Biology and Molecular Biophysics

    Ligand discrimination and gating in cyclic nucleotide-gated ion channels from apo and partial agonist-bound cryo-EM structures

    Jan Rheinberger, Xiaolong Gao ... Crina M Nimigean
    High resolution SthK channel cryo-EM structures in different ligand-bound states combined with single-channel functional data in the same conditions constrain a gating mechanism for CNG channels.
    1. Neuroscience

    Connectomics of the zebrafish's lateral-line neuromast reveals wiring and miswiring in a simple microcircuit

    Eliot Dow, Adrian Jacobo ... A J Hudspeth
    The technique of serial blockface scanning electron microscopy, which permits the complete reconstruction of neuronal structures, allows comparison of the detailed "wiring diagrams" of lateral-line receptor organs in wild-type and mutant zebrafish.
    1. Neuroscience

    Impairing one sensory modality enhances another by reconfiguring peptidergic signalling in Caenorhabditis elegans

    Giulio Valperga, Mario de Bono
    Stimulus-receptivity loss increases coupling of a sensory neuron to a second sensory circuit by upregulating neuropeptide receptors, enhancing output of the second circuit, and providing a mechanism for cross-modal plasticity.
    1. Genetics and Genomics
    2. Immunology and Inflammation

    SCGN deficiency results in colitis susceptibility

    Luis F Sifuentes-Dominguez, Haiying Li ... Ezra Burstein
    A novel mutation in SCGN is associated with risk for inflammatory bowel disease and implicates the intestinal neuroendocrine compartment in the pathogenesis of this disorder.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Redox-dependent rearrangements of the NiFeS cluster of carbon monoxide dehydrogenase

    Elizabeth C Wittenborn, Mériem Merrouch ... Catherine L Drennan
    Structural analysis reveals large-scale conformational changes in the active site metallocluster of a CO2-fixing enzyme.

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