206 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    DIP2 is a unique regulator of diacylglycerol lipid homeostasis in eukaryotes

    Sudipta Mondal, Priyadarshan Kinatukara ... Rajan Sankaranarayanan
    DIP2 is a conserved protein across fungi and animals that regulates specific diacylglycerol pools by diverting them to storage lipid biosynthesis to enable cellular homeostasis and adaptations.
    1. Cell Biology
    2. Physics of Living Systems

    Partitioning to ordered membrane domains regulates the kinetics of secretory traffic

    Ivan Castello-Serrano, Frederick A Heberle ... Ilya Levental
    Direct measurements of trafficking kinetics between organelles of the secretory pathway suggest that lipid-driven membrane domains laterally sort proteins during membrane traffic.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Dynamic change of electrostatic field in TMEM16F permeation pathway shifts its ion selectivity

    Wenlei Ye, Tina W Han ... Lily Yeh Jan
    TMEM16F shifts its ion selectivity in response to change of intracellular Ca2+, membrane potential and ionic strength.
    1. Physics of Living Systems

    The biomechanical role of extra-axonemal structures in shaping the flagellar beat of Euglena gracilis

    Giancarlo Cicconofri, Giovanni Noselli, Antonio DeSimone
    The 'spinning lasso' geometry of Euglena's beating flagellum is revealed, and a model based on the antagonistic forces exchanged by axoneme and paraflagellar rod is proposed to explain its emergence.
    1. Cancer Biology

    Co-targeting the tumor endothelium and P-selectin-expressing glioblastoma cells leads to a remarkable therapeutic outcome

    Shiran Ferber, Galia Tiram ... Ronit Satchi-Fainaro
    Treatment with precision nanomedicine in combination with an anti-angiogenic peptide enhance anti-tumor efficacy while minimizing toxicities in a pre-clinical glioblastoma model, making this approach a promising and important therapeutic alternative for patients.
    1. Neuroscience

    Otoferlin acts as a Ca2+ sensor for vesicle fusion and vesicle pool replenishment at auditory hair cell ribbon synapses

    Nicolas Michalski, Juan D Goutman ... Christine Petit
    Targeted mutations in a Ca2+-binding site of otoferlin, a transmembrane protein of synaptic vesicles defective in a recessive form of deafness, reveal its Ca2+ sensor role both for vesicle fusion and vesicle pool replenishment.
    1. Cell Biology

    Annexin A6 mediates calcium-dependent exosome secretion during plasma membrane repair

    Justin Krish Williams, Jordan Matthew Ngo ... Randy Schekman
    Plasma membrane damage causes the release of exosomes from cultured human cells.
    1. Developmental Biology
    2. Neuroscience

    Synaptic mitochondria regulate hair-cell synapse size and function

    Hiu-tung C Wong, Qiuxiang Zhang ... Katie Kindt
    Mitochondrial calcium influx plays distinct roles in presynapse formation, function and stability in sensory hair cells.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Pathogenic variants of sphingomyelin synthase SMS2 disrupt lipid landscapes in the secretory pathway

    Tolulope Sokoya, Jan Parolek ... Joost CM Holthuis
    Organellar lipidomics and lipid reporter studies in intact cells reveal how disease-relevant mutations in a sphingolipid biosynthetic enzyme cause a wide-ranging perturbation of lipid distributions and membrane properties along the secretory pathway.
    1. Microbiology and Infectious Disease

    A novel mechanosensitive channel controls osmoregulation, differentiation, and infectivity in Trypanosoma cruzi

    Noopur Dave, Ugur Cetiner ... Veronica Jimenez
    Structurally divergent bacterial-like mechanosensitive channels control multiple cellular functions in protozoan parasites.

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