8,105 results found
    1. Neuroscience

    Cortex-wide BOLD fMRI activity reflects locally-recorded slow oscillation-associated calcium waves

    Miriam Schwalm et al.
    Locally recorded calcium events related to slow wave activity show a global cortical fMRI BOLD correlate, establishing a direct relation between a basic neurophysiological signal and the macroscopic perspective of pre-clinical fMRI.
    1. Ecology
    2. Neuroscience

    Airflow and optic flow mediate antennal positioning in flying honeybees

    Taruni Roy Khurana, Sanjay P Sane
    Honeybees determine their flight speed by combining feedback from optic flow and airflow.
    1. Cell Biology
    2. Developmental Biology

    Non-canonical Wnt signalling modulates the endothelial shear stress flow sensor in vascular remodelling

    Claudio A Franco et al.
    A threshold level of blood flow initiates developmental blood vessel regression; this threshold can be regulated by non-canonical Wnt ligands.
    1. Computational and Systems Biology
    2. Physics of Living Systems

    Physical limits of flow sensing in the left-right organizer

    Rita R Ferreira et al.
    Large-scale in vivo imaging of the zebrafish left-right organizer (Kupffer's vesicle) combined with fluid dynamics calculations allows to quantitatively test the possible flow detection mechanisms and supports the flow transport of chemical signals as the mechanism of side determination.
    1. Genetics and Genomics

    Extensive impact of low-frequency variants on the phenotypic landscape at population-scale

    Téo Fournier et al.
    Genome-wide association studies on a diallel yeast panel revealed the relevance of low-frequency variants on the phenotypic diversity and consequently on the missing heritability at a population-scale.
    1. Neuroscience

    Rapid stimulus-driven modulation of slow ocular position drifts

    Tatiana Malevich et al.
    Slow, continuous changes in eye position when gaze is fixed, previously believed to be random drifts, are shown to exhibit highly systematic and short-latency response characteristics to visual stimuli.
    1. Developmental Biology
    2. Neuroscience

    Slow oscillation-spindle coupling predicts enhanced memory formation from childhood to adolescence

    Michael A Hahn et al.
    An individualized cross-frequency coupling approach identified slow oscillation-spindle coupling strength as a novel mechanism that mediates memory formation during cortical maturation.
    1. Structural Biology and Molecular Biophysics

    Intravascular flow stimulates PKD2 (polycystin-2) channels in endothelial cells to reduce blood pressure

    Charles E MacKay et al.
    PKD2 (polycystin-2) channels are a major component of a flow-sensing signaling mechanism in endothelial cells that stimulates vasodilation and reduces blood pressure.
    1. Neuroscience

    More homogeneous capillary flow and oxygenation in deeper cortical layers correlate with increased oxygen extraction

    Baoqiang Li et al.
    Resting-state capillary blood flow and oxygenation are more homogeneous in the deeper cortical layers, underpinning an important mechanism by which the microvascular network adapts to an increased local oxidative metabolism.
    1. Ecology
    2. Microbiology and Infectious Disease

    Flow environment and matrix structure interact to determine spatial competition in Pseudomonas aeruginosa biofilms

    Carey D Nadell et al.
    The feedback between hydrodynamic flow conditions and biofilm spatial architecture drives competition in P. aeruginosa biofilms, and can explain variation in biofilm production observed among bacteria in natural environments.

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