31 results found
    1. Ecology
    2. Physics of Living Systems

    Ant collective cognition allows for efficient navigation through disordered environments

    Aviram Gelblum et al.
    When real ants confront the classical 'Ant-in-a-labyrinth' physics problem where a random walker traverses a percolated environment, they employ active extended sensing and collective cognition to outperform passive physical solutions.
    1. Developmental Biology

    Single nuclei RNA-seq of mouse placental labyrinth development

    Bryan Marsh, Robert Blelloch
    A time-course of single nuclei RNA-seq of the mouse placenta identifies trophoblast subtypes and the genes, signaling events, and transcriptional networks important for their differentiation, maintenance, and function.
    1. Neuroscience

    Subcellular analysis of pigeon hair cells implicates vesicular trafficking in cuticulosome formation and maintenance

    Simon Nimpf et al.
    Cuticulosomes are organelles found in the hair cells of birds that are composed of ferritin nanoparticles, form rapidly after hatching by the fusion of vesicular structures, and may play an indirect role in magnetic sensation.
    1. Evolutionary Biology

    The evolution of the vestibular apparatus in apes and humans

    Alessandro Urciuoli et al.
    The morphology of the inner ear distinguishes major anthropoid clades and enables the proposal of various shared-derived features for apes as a whole, lesser apes, and great apes and humans.
    1. Developmental Biology
    2. Genetics and Genomics

    Smchd1 is a maternal effect gene required for genomic imprinting

    Iromi Wanigasuriya et al.
    Imprinted gene expression is set up during a critical window of early embryonic development, by the translation of parental imprints by oocyte-supplied Smchd1 into allele-specific gene silencing.
    1. Evolutionary Biology

    Neurocranial anatomy of an enigmatic Early Devonian fish sheds light on early osteichthyan evolution

    Alice M Clement et al.
    Stunning new scan data of an enigmatic fish from the Early Devonian of Australia, Ligulalepis, is identified as a stem osteichthyan, specifically, as the sister taxon to the 'psarolepids' plus crown osteichthyans.
    1. Cell Biology
    2. Developmental Biology

    Inverted formin 2 regulates intracellular trafficking, placentation, and pregnancy outcome

    Katherine Young Bezold Lamm et al.
    Loss of Inverted Formin-2 impairs intracellular trafficking and trophoblast invasion, resulting in maternal hypertension and intrauterine growth restriction, which represents a novel model of impaired placental invasion that encompasses critical aspects of the great obstetrical syndromes.
    1. Plant Biology
    2. Structural Biology and Molecular Biophysics

    Identification of distinct pH- and zeaxanthin-dependent quenching in LHCSR3 from Chlamydomonas reinhardtii

    Julianne M Troiano et al.
    Light-harvesting complex stress-related is a protein from photosynthetic green algae that prevents damage from sunlight via two distinct conformational processes, which protect against different timescales of solar fluctuations.
    1. Cell Biology
    2. Neuroscience

    Proteolytically released Lasso/teneurin-2 induces axonal attraction by interacting with latrophilin-1 on axonal growth cones

    Nickolai V Vysokov et al.
    Lasso and latrophilin-1 interact across the synapse, while shed Lasso binds latrophilin-1 on distant growth cones and attracts them, providing a universal mechanism for short- and long-range axonal guidance.
    1. Developmental Biology
    2. Neuroscience

    Purinergic signaling in cochlear supporting cells reduces hair cell excitability by increasing the extracellular space

    Travis A Babola et al.
    Supporting cells in the cochlea change their shape in response to purinergic receptor activation, which influences hair cell excitability by altering potassium redistribution in the extracellular space.

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