5,979 results found
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Stress-activated MAPK signaling controls fission yeast actomyosin ring integrity by modulating formin For3 levels

    Elisa Gómez-Gil et al.
    Microscopic and biochemical analysis show that the stress-activated MAP kinase pathway targets the formin For3 to modulate actomyosin ring integrity in response to environmental cues.
    1. Cell Biology

    Curvature-induced expulsion of actomyosin bundles during cytokinetic ring contraction

    Junqi Huang et al.
    Cytokinetic actomyosin ring disassembly occurs through a novel mechanism in which the increased ring curvature, generated through contraction, itself promotes the disassembly process.
    1. Cell Biology
    2. Physics of Living Systems

    Interplay of cell dynamics and epithelial tension during morphogenesis of the Drosophila pupal wing

    Raphaël Etournay et al.
    Autonomous patterns of cell contraction in the context of localized apical extracellular matrix constraints specify tissue stresses that reshape the wing epithelium.
    1. Evolutionary Biology
    2. Genetics and Genomics

    A large genomic insertion containing a duplicated follistatin gene is linked to the pea aphid male wing dimorphism

    Binshuang Li et al.
    The application of long-read sequencing to the pea aphid wing dimorphism system reveals genomic structural divergence as a genetic mechanism of adaptation.
    1. Ecology

    Wind prevents cliff-breeding birds from accessing nests through loss of flight control

    Emily Shepard et al.
    Even moderate winds cause auks to abort landing attempts at nest-sites, and as a result, wind characteristics may affect where these, and other seabirds, choose to breed.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Robust cullin-RING ligase function is established by a multiplicity of poly-ubiquitylation pathways

    Spencer Hill et al.
    Human cullin-RING ligases are buffered to a much greater extent than had been previously appreciated, and the roles of ubiquitin chain extension enzymes are far more nuanced at physiological concentrations.
    1. Neuroscience

    Circular oligomerization is an intrinsic property of synaptotagmin

    Jing Wang et al.
    Calcium-binding synaptotagmins are involved in ring oligomer formation, which allows synaptotagmins to synchronize neurotransmitter release to Ca2+ influx.
    1. Cell Biology
    2. Developmental Biology

    Proteolytic processing of palmitoylated Hedgehog peptides specifies the 3-4 intervein region of the Drosophila wing

    Sabine Schürmann et al.
    Proteolysis of lipidated N-terminal peptides that tether Hedgehog morphogens to the surface of source cells is absolutely required for their coupled release and bioactivation in vivo in Drosophila melanogaster.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Mechanochemical coupling and bi-phasic force-velocity dependence in the ultra-fast ring ATPase SpoIIIE

    Ninning Liu et al.
    Probing the DNA motor SpoIIIE at the single-molecule level has revealed its force-generating step, rich translocation dynamics during motor operation and a novel, bi-phasic mechanical response to opposing force.
    1. Structural Biology and Molecular Biophysics

    Two-subunit DNA escort mechanism and inactive subunit bypass in an ultra-fast ring ATPase

    Ninning Liu et al.
    The subunits of the SpoIIIE motor contact the 5'→3' strand of DNA in sequence to rapidly translocate the DNA across a membrane.

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