56 results found
    1. Ecology
    2. Evolutionary Biology
    The Natural History of Model Organisms

    The Natural History of Model Organisms

    Edited by Ian Baldwin et al.
    Essays on the wild lives of model organisms, from Arabidopsis to the zebrafish.
    1. Neuroscience

    Fatigue induces long-lasting detrimental changes in motor-skill learning

    Meret Branscheidt et al.
    A series of experiments shows how muscle fatigue impairs motor-skill learning on subsequent practice days beyond its effects on task execution.
    1. Neuroscience

    Brain-wide mapping of neural activity controlling zebrafish exploratory locomotion

    Timothy W Dunn et al.
    Whole-brain activity imaging in larval zebrafish reveals brain regions that influence patterns of spontaneous movement to increase local exploration efficiency.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Immune genes are hotspots of shared positive selection across birds and mammals

    Allison J Shultz, Timothy B Sackton
    Pathogens, particularly viruses, target the same genes over deep evolutionary time, resulting in shared signatures of positive selection and transcriptional responses at the same genes.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    A new experimental platform facilitates assessment of the transcriptional and chromatin landscapes of aging yeast

    David G Hendrickson et al.
    A new technology for obtaining aged yeast cells helps reveal a striking connection between aging, slow growth, and stress.
    1. Cell Biology
    2. Developmental Biology

    First quantitative high-throughput screen in zebrafish identifies novel pathways for increasing pancreatic β-cell mass

    Guangliang Wang et al.
    A novel high-throughput, whole organism chemical screening platform was used to identify existing drugs that increase pancreatic beta-cell mass in zebrafish, implicating unique roles for the NF-κB and serotonergic signaling pathways in regulating pancreatic biology.
    1. Neuroscience

    A role for descending auditory cortical projections in songbird vocal learning

    Yael Mandelblat-Cerf et al.
    Midbrain dopaminergic neurons and a cortex-like structure called the arcopallium form part of a circuit that enables young songbirds to compare their own song with a template stored in memory, and use any discrepancies to improve their performance.
    1. Neuroscience

    A suppression hierarchy among competing motor programs drives sequential grooming in Drosophila

    Andrew M Seeds et al.
    Gaining genetic control over neural modules that drive the grooming of each Drosophila body part reveals how mechanisms for selecting among competing behavioral choices are used to generate sequences of actions.
    1. Neuroscience

    Uncovering a ‘sensitive window’ of multisensory and motor neuroplasticity in the cerebrum and cerebellum of male and female starlings

    Jasmien Orije et al.
    Despite the structural sexual dimorphism in the song control system, both male and female starlings experience similar seasonal neuroplasticity in multisensory systems and cerebellum during the photosensitive phase, which acts as a sensitive window of plasticity.

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