4,475 results found
    1. Physics of Living Systems

    Length regulation of multiple flagella that self-assemble from a shared pool of components

    Thomas G Fai et al.
    In the microbe Chlamydomonas reinhardtii, a disassembly rate which depends on flagellar length provides an effective method to regulate the length of its two flagella.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    The role of Rif1 in telomere length regulation is separable from its role in origin firing

    Calla B Shubin, Carol W Greider
    Telomere length is linked to DNA replication, and we found excessive telomeric origin firing caused by several distinct mutants did not lengthen telomeres, narrowing possible mechanisms.
    1. Neuroscience

    Node of Ranvier length as a potential regulator of myelinated axon conduction speed

    I Lorena Arancibia-Cárcamo et al.
    Node of Ranvier length is similar at successive nodes along single myelinated CNS axons, but differs between axons, and could potentially be tuned to adjust the conduction velocity of each axon.
    1. Cell Biology
    2. Computational and Systems Biology

    Size uniformity of animal cells is actively maintained by a p38 MAPK-dependent regulation of G1-length

    Shixuan Liu et al.
    The p38 MAPK pathway functions downstream of a cell-size-sensing process to coordinate cell size/growth with G1 progression in animal cells.
    1. Cell Biology

    The master cell cycle regulator APC-Cdc20 regulates ciliary length and disassembly of the primary cilium

    Weiping Wang et al.
    The anaphase promoting complex (APC) has an essential role in ubiquitin-mediated proteolysis in the disassembly of cilia.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Kinesin Kip2 enhances microtubule growth in vitro through length-dependent feedback on polymerization and catastrophe

    Anneke Hibbel et al.
    The budding yeast kinesin Kip2 is a polymerase that uses its processive motility in a positive feedback loop to promote microtubule growth.
    1. Physics of Living Systems

    Distinct contributions of the thin and thick filaments to length-dependent activation in heart muscle

    Xuemeng Zhang et al.
    The Frank–Starling law of the heart and its underlying mechanism of length-dependent activation involve distinctive structural changes in both the thin and thick filaments of cardiac muscle cells.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    mRNA poly(A)-tail changes specified by deadenylation broadly reshape translation in Drosophila oocytes and early embryos

    Stephen W Eichhorn et al.
    Profiling of mRNA poly(A)-tail lengths and translational efficiencies provides new insights into posttranscriptional gene regulation in early Drosophila development.
    1. Cell Biology
    2. Developmental Biology

    Philosophy of Biology: The analysis of living systems can generate both knowledge and illusions

    Antony M Jose
    By thinking about experimental techniques in terms of six broad approaches – perturbation, visualization, substitution, characterization, reconstitution, and simulation – researchers may be able to generate more reliable inferences.

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