1,053 results found
    1. Cell Biology
    2. Genetics and Genomics

    NHR-14 loss of function couples intestinal iron uptake with innate immunity in C. elegans through PQM-1 signaling

    Malini Rajan, Cole P Anderson ... Elizabeth A Leibold
    Nuclear receptor NHR-14 regulates the subcellular localization of the zinc transcription factor PQM-1 to coordinate innate immunity with iron sequestration during pathogen infection in C. elegans..
    1. Developmental Biology
    Ciona intestinalis illustration

    The Natural History of Model Organisms: An organismal perspective on C. intestinalis development, origins and diversification

    Matthew J Kourakis, William C Smith
    The life cycle and morphology of the sea squirt Ciona intestinalis shed light on vertebrate evolution.
    1. Microbiology and Infectious Disease

    An intestinally secreted host factor promotes microsporidia invasion of C. elegans

    Hala Tamim El Jarkass, Calvin Mok ... Aaron W Reinke
    A forward genetic screen in Caenorhabditis elegans identifies a secreted host protein that ensures proper microsporidia spore orientation, resulting in efficient invasion of intestinal cells.
    1. Developmental Biology
    2. Genetics and Genomics

    Combinatorial chromatin dynamics foster accurate cardiopharyngeal fate choices

    Claudia Racioppi, Keira A Wiechecki, Lionel Christiaen
    ATAC-seq, CRISPR/Cas9 mutagenesis, reporter and gene expression assays revealed dynamic chromatin accessibility profiles governing differential gene expression during heart vs. pharyngeal muscle fate choices in the powerful chordate model Ciona.
    1. Microbiology and Infectious Disease

    Perinatal hormones favor CC17 group B Streptococcus intestinal translocation through M cells and hypervirulence in neonates

    Constantin Hays, Gérald Touak ... Asmaa Tazi
    Hormonal concentrations found in over 7-day-old neonates favor CC17 GBS invasiveness in a process linked to intestinal M cells maturation and mediated by the CC17 GBS surface protein Srr2.
    1. Developmental Biology
    2. Evolutionary Biology

    Conservation of peripheral nervous system formation mechanisms in divergent ascidian embryos

    Joshua F Coulcher, Agnès Roure ... Sébastien Darras
    Developmental regulatory mechanisms for peripheral nervous system formation appear to be conserved in ascidians despite extensive genomic divergence after 390 MY of separate evolution.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Pathogen infection and cholesterol deficiency activate the C. elegans p38 immune pathway through a TIR-1/SARM1 phase transition

    Nicholas D Peterson, Janneke D Icso ... Read Pukkila-Worley
    A phase transition of TIR-1/SARM1 induced by either pathogen or non-pathogen stress potentiates its intrinsic NADase activity, which activates the p38 PMK-1 signaling cascade to induce protective immune defenses in Caenorhabditis elegans intestinal epithelial cells.
    1. Cell Biology

    Intermediate filament network perturbation in the C. elegans intestine causes systemic dysfunctions

    Florian Geisler, Sanne Remmelzwaal ... Rudolf E Leube
    Aberrant cytoskeletal intermediate filament networks in the C. elegans intestine are associated with hyperphosphorylated intermediate filament proteins and impact not only intestinal cell structure but have also detrimental consequences for organismal well-being.
    1. Neuroscience

    The CNS connectome of a tadpole larva of Ciona intestinalis (L.) highlights sidedness in the brain of a chordate sibling

    Kerrianne Ryan, Zhiyuan Lu, Ian A Meinertzhagen
    Serial-section EM analysis uncovers the CNS connectome of a Ciona larva, the second of any entire nervous system, and exposes left-right asymmetries in its synaptic circuits.
    1. Immunology and Inflammation
    2. Neuroscience

    Neuronal NPR-15 modulates molecular and behavioral immune responses via the amphid sensory neuron-intestinal axis in C. elegans

    Benson Otarigho, Anna Frances Butts, Alejandro Aballay
    Molecular and genetics approaches reveal a dual regulatory role of neuronal G-protein-coupled receptor NPR-15 in both immunity and avoidance behavior, independent of aerotaxis, mediated by amphid sensory neurons, ASJ.

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