1,889 results found
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Influenza A virus surface proteins are organized to help penetrate host mucus

    Michael D Vahey, Daniel A Fletcher
    By distributing receptor-binding and receptor-destroying proteins asymmetrically on their surface, filamentous influenza A virus particles create a Brownian ratchet that facilitates their passage through mucus.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Lamellipodin promotes actin assembly by clustering Ena/VASP proteins and tethering them to actin filaments

    Scott D Hansen, R Dyche Mullins
    Lamellipodin, an important regulator of cytoskeletal and assembly cell migration, enhances the activity of Ena/VASP family actin polymerases by clustering them on leading-edge membranes and tethering them to actin filaments.
    1. Physics of Living Systems

    High-molecular-weight polymers from dietary fiber drive aggregation of particulates in the murine small intestine

    Asher Preska Steinberg et al.
    Polymers from dietary fiber can control the aggregation of particulates in the murine small intestine in a manner qualitatively consistent with depletion interactions.
    1. Chromosomes and Gene Expression

    Telomere dysfunction cooperates with epigenetic alterations to impair murine embryonic stem cell fate commitment

    Mélanie Criqui et al.
    Cell lineage tracing and biochemical analysis of cell fate during murine stem cell differentiation demonstrates a specific cooperativity between perturbations in histone methylation and eroded telomeres that destabilize cell differentiation.
    1. Cell Biology

    KChIP3 coupled to Ca2+ oscillations exerts a tonic brake on baseline mucin release in the colon

    Gerard Cantero-Recasens et al.
    KChIP3 localisation by intracellular calcium oscillations controls mucin release from colonic goblet cells.
    1. Cell Biology

    TRPM5-mediated calcium uptake regulates mucin secretion from human colon goblet cells

    Sandra Mitrovic et al.
    Goblet cells secrete mucins—which are key components of mucus—in a process that is regulated by calcium ions, which enter the goblet cells via a mechanism involving a channel protein called TRPM5.
    1. Computational and Systems Biology
    2. Developmental Biology

    Elastic force restricts growth of the murine utricle

    Ksenia Gnedeva et al.
    Computational modeling and molecular-biological analysis reveal the role of mechanical force and downstream Yap signaling in growth control during the development and regeneration of sensory epithelium of the inner ear.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Quantification of microenvironmental metabolites in murine cancers reveals determinants of tumor nutrient availability

    Mark R Sullivan et al.
    The nutrients available in some tumors and the factors that influence tumor nutrient availability are characterized, which provides insight into the metabolic constraints of the tumor microenvironment.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structures and functional characterization of murine Slc26a9 reveal mechanism of uncoupled chloride transport

    Justin D Walter et al.
    The cryo-EM structure and functional characterization of the chloride-selective ion transporter Slc26a9 defines its oligomeric architecture and transport mechanism.
    1. Microbiology and Infectious Disease

    Respiratory tissue-associated commensal bacteria offer therapeutic potential against pneumococcal colonization

    Soner Yildiz et al.
    A respiratory tissue-associated commensal Lactobacillus strain confers colonization resistance to Streptococcus pneumoniae, when applied therapeutically in a post influenza virus super-infection model.

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