4,988 results found
    1. Microbiology and Infectious Disease

    Maturing Mycobacterium smegmatis peptidoglycan requires non-canonical crosslinks to maintain shape

    Catherine Baranowski et al.
    Polar elongating mycobacteria (Mycobacterium smegmatis) require specific cell wall chemistries, those catalyzed by targets of critical antibiotics, to maintain rod shape at aging sites of the bacillus.
    1. Physics of Living Systems

    Surface-to-volume scaling and aspect ratio preservation in rod-shaped bacteria

    Nikola Ojkic et al.
    Rod-shaped bacteria preserve their aspect ratios and surface-to-volume scaling by maintaining a homeostatic balance between the rates of cell elongation and division protein synthesis.
    1. Computational and Systems Biology
    2. Developmental Biology

    Why plants make puzzle cells, and how their shape emerges

    Aleksandra Sapala et al.
    Puzzle-shape cells in the epidermis of many plants form due to a development constraint based on mechanical forces.
    1. Genetics and Genomics

    Genomic regions controlling shape variation in the first upper molar of the house mouse

    Luisa F Pallares et al.
    An association mapping in wild mice revealed the first candidate loci for within-population molar shape variation and the phenotypic impact of such candidate loci was quantified and validated.
    1. Neuroscience

    The large-scale organization of shape processing in the ventral and dorsal pathways

    Erez Freud et al.
    Functional neuroimaging reveals sensitivity to shape information and correlation between brain activation and perceptual behaviour in both dorsal and ventral visual pathways, thereby challenging the strict binary distinctions between the two pathways.
    1. Neuroscience

    'Artiphysiology' reveals V4-like shape tuning in a deep network trained for image classification

    Dean A Pospisil et al.
    Single units in a deep convolutional neural network trained for image classification develop shape selectivity that is similar to that found in the primate visual cortex.
    1. Plant Biology

    Shade-induced nuclear localization of PIF7 is regulated by phosphorylation and 14-3-3 proteins in Arabidopsis

    Xu Huang et al.
    A phosphorylation dependent translocation of PIF7 and involvement of 14-3-3 proteins reveal novel regulation mechanisms in shade signal transduction.
    1. Neuroscience

    The perception and misperception of optical defocus, shading, and shape

    Scott WJ Mooney et al.
    The human visual system uses sharp edges to distinguish a smooth, shaded surface from a surface blurred by optical defocus.
    1. Cell Biology
    2. Plant Biology

    Orchestration of microtubules and the actin cytoskeleton in trichome cell shape determination by a plant-unique kinesin

    Juan Tian et al.
    Kinesin-like calmodulin-binding protein integrates microtubules and F-actin to assemble the cytoskeletal configuration needed for trichome formation.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Alzheimer’s Disease: The two shapes of the Tau protein

    Jeffery W Kelly
    Tau proteins can convert from an inert shape to a misfolded shape that seeds the growth of fibers that contribute to the pathology of Alzheimer's disease.
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