258 results found
    1. Structural Biology and Molecular Biophysics

    Atomistic simulations indicate the c-subunit ring of the F1Fo ATP synthase is not the mitochondrial permeability transition pore

    Wenchang Zhou et al.
    The notion that the lumen of the ATP synthase membrane rotor is the long-sought megachannel that triggers the onset of the mitochondrial permeability transition is found to be inconsistent with its actual structural and functional properties.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Massive endocytosis triggered by surface membrane palmitoylation under mitochondrial control in BHK fibroblasts

    Donald W Hilgemann et al.
    Mitochondria can trigger massive endocytosis by releasing coenzyme A into the cytoplasm and thereby promoting the addition of fatty acids to surface membrane proteins.
    1. Cancer Biology

    Philosophy of Biology: Characterizing causality in cancer

    Elena Rondeau et al.
    Ideas about causality from philosophy can help scientists to better understand how cancerous tumors grow and spread in the body.
    1. Cell Biology
    2. Genetics and Genomics

    Mapping endothelial-cell diversity in cerebral cavernous malformations at single-cell resolution

    Fabrizio Orsenigo et al.
    Single-cell RNA analysis of brain endothelium identifies the angiogenic venous capillary subset and respective resident endothelial progenitors at the origin of CCM lesions, while arterial endothelial cells are unaffected.
    1. Structural Biology and Molecular Biophysics

    New capsaicin analogs as molecular rulers to define the permissive conformation of the mouse TRPV1 ligand-binding pocket

    Simon Vu et al.
    Novel capsaicin analogs with conserved chemistry but varying sizes were used as molecular rulers to investigate energetics of conformational changes in the ligand-binding pocket and mechanisms of TRPV1 ligand-gating.
    1. Developmental Biology
    2. Evolutionary Biology

    Germ layer-specific regulation of cell polarity and adhesion gives insight into the evolution of mesoderm

    Miguel Salinas-Saavedra et al.
    The expression of 'bilaterian-mesodermal’ genes changes the epithelial properties of the endomesoderm during the embryogenesis of the cnidarian Nematostella vectensis.
    1. Physics of Living Systems

    Spatial control of neuronal metabolism through glucose-mediated mitochondrial transport regulation

    Anamika Agrawal et al.
    A quantitative analysis of glucose-dependent transport regulation indicates that mitochondrial accumulation in regions of high nutrient availability can enhance metabolism in neuronal axons under physiologically relevant conditions.
    1. Structural Biology and Molecular Biophysics

    Symmetry transitions during gating of the TRPV2 ion channel in lipid membranes

    Lejla Zubcevic et al.
    Ligand-induced two-fold symmetric arrangement in TRPV2 is observed in the native-like nanodisc-reconstituted condition using cryo-electron microscopy.
    1. Computational and Systems Biology
    2. Neuroscience

    Biophysical mechanisms in the mammalian respiratory oscillator re-examined with a new data-driven computational model

    Ryan S Phillips et al.
    Computational modeling motivated by recent experiments clarifies biophysical mechanisms generating the rhythm and amplitude of breathing at the level of neurons and brain circuits in mammals.

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