5,664 results found
    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. Physics of Living Systems

    Body size-dependent energy storage causes Kleiber’s law scaling of the metabolic rate in planarians

    Albert Thommen et al.
    A combination of experimental and theoretical analysis identifies body size-dependent energy storage as the physiological cause of 3/4-power law scaling of the metabolic rate in planarians.
    1. Neuroscience

    Synaptic up-scaling preserves motor circuit output after chronic, natural inactivity

    Joseph M Santin et al.
    Synaptic scaling maintains motor output from the respiratory network of bullfrogs after months of inactivity in the winter, providing evidence for homeostatic plasticity in response to large ecologically relevant perturbations in neuronal activity.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The force-sensing peptide VemP employs extreme compaction and secondary structure formation to induce ribosomal stalling

    Ting Su et al.
    The structure of the VemP-stalled ribosome reveals a helix-double turn-helix conformation of the nascent chain within the ribosomal tunnel, illustrating how secondary structure formation directly at the peptidyltransferase center of the ribosome can induce translational arrest.
    1. Structural Biology and Molecular Biophysics

    Mechanisms of ribosome stalling by SecM at multiple elongation steps

    Jun Zhang et al.
    Nascent regulatory peptides tune the translation rate through a continuous, dynamic reshaping of the functional center of the ribosome.
    1. Cell Biology
    2. Developmental Biology

    Mitotic spindle scaling during Xenopus development by kif2a and importin α

    Jeremy D Wilbur, Rebecca Heald
    An interaction between two proteins enables the spindle—the structure that segregates chromosome pairs during mitosis—to change size as cells divide.
    1. Cell Biology
    2. Neuroscience

    Time- and polarity-dependent proteomic changes associated with homeostatic scaling at central synapses

    Christoph T Schanzenbächer et al.
    Metabolic labelling and quantitative proteomics reveal the temporal evolution of cellular and neuronal responses to global activity manipulations.
    1. Developmental Biology
    2. Neuroscience

    Genetic mechanisms control the linear scaling between related cortical primary and higher order sensory areas

    Andreas Zembrzycki et al.
    Primary and higher order visual area dimensions in the neocortex are determined by the same genetic mechanisms during development which in turn also control the proportionate scaling between them.
    1. Stem Cells and Regenerative Medicine

    Skin vasculature and hair follicle cross-talking associated with stem cell activation and tissue homeostasis

    Kefei Nina Li et al.
    Hair follicle epithelium and skin vasculature remodeling are coordinated during quiescence, and their cross-talking is associated with the timing of stem cell activation.
    1. Computational and Systems Biology

    Step-to-step variations in human running reveal how humans run without falling

    Nidhi Seethapathi, Manoj Srinivasan
    Natural step-to-step variations show how human running is stabilized, underscoring the importance of center of mass control and showing how humans run without falling despite muscle noise and uneven terrain.

Refine your results by:

Type
Research categories