408 results found
    1. Stem Cells and Regenerative Medicine

    Ovaries absent links dLsd1 to HP1a for local H3K4 demethylation required for heterochromatic gene silencing

    Fu Yang et al.
    A Drosophila fertility gene is identified that acts as a linker between HP1a and local H3K4 demethylation during HP1a-mediated gene silencing that is required for ovary development and transposon silencing..
    1. Evolutionary Biology

    The Natural History of Model Organisms: Insights into mammalian biology from the wild house mouse Mus musculus

    Megan Phifer-Rixey, Michael W Nachman
    Studies of the house mouse Mus musculus have provided important insights into mammalian biology, and efforts to study wild house mice and to create new inbred strains from wild populations have the potential to increase its usefulness as a model system.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Science Forum: Considerations when investigating lncRNA function in vivo

    Andrew R Bassett et al.
    We discuss the methods available to understand lncRNA function in vivo, and highlight important considerations that should be taken into account when designing such experiments.
    1. Neuroscience

    Thermoregulation: How a brain keeps its cool

    Swathi Yadlapalli, Orie T Shafer
    Temperature-sensing neurons in the Drosophila brain cooperate with the central circadian clock to help regulate body temperature.
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    1. Developmental Biology

    Organ Plasticity: Paying the costs of reproduction

    Thomas Flatt
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    1. Biochemistry and Chemical Biology
    2. Developmental Biology

    O-GlcNAc on NOTCH1 EGF repeats regulates ligand-induced Notch signaling and vascular development in mammals

    Shogo Sawaguchi et al.
    The transfer of O-GlcNAc by EOGT to specific EGF repeats of NOTCH1 promotes DLL4 binding, Notch signaling, and retinal vascular development.
    1. Computational and Systems Biology
    2. Neuroscience

    Microsaccadic sampling of moving image information provides Drosophila hyperacute vision

    Mikko Juusola et al.
    New experiments and theory reveal how the ability to see image details depends upon photoreceptor function and eye movements, and how fruit flies (Drosophila) see spatial details beyond the optical limit of their compound eyes.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Fusion surface structure, function, and dynamics of gamete fusogen HAP2

    Juan Feng et al.
    Structure, dynamics, and mutation of a gamete fusion protein and comparisons to viral homologues suggest that after trimerization the domain bearing the membrane-inserting fusion loops can pivot with respect to the trimer 3-fold axis.
    1. Neuroscience
    2. Computational and Systems Biology

    Dynamic structure of locomotor behavior in walking fruit flies

    Alexander Y Katsov et al.
    A principled statistical segmentation of fruit fly walking leads to a compact model of immediate actions that can reproduce the unique behavioral sequences of individual flies.
    1. Cell Biology

    Spatiotemporal regulation of autophagy during Caenorhabditis elegans aging

    Jessica T Chang et al.
    Autophagic flux assays in the nematode Caenorhabditis elegans suggest that autophagy decreases during normal aging, whereas long-lived daf-2 and glp-1 mutants maintain autophagic capacity in distinct spatiotemporal-specific manners to extend lifespan.

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