12,311 results found
    1. Evolutionary Biology
    2. Genetics and Genomics

    Expansion and loss of sperm nuclear basic protein genes in Drosophila correspond with genetic conflicts between sex chromosomes

    Ching-Ho Chang, Isabel Mejia Natividad, Harmit S Malik
    Genetic conflicts between sex chromosomes during spermatogenesis may drive the rapid evolution, function, and turnover of some sperm nuclear basic proteins in Drosophila species.
    1. Computational and Systems Biology
    2. Physics of Living Systems

    Intraspecific predator interference promotes biodiversity in ecosystems

    Ju Kang, Shijie Zhang ... Xin Wang
    Intraspecific predator interference enables a wide range of consumer species to coexist with a limited variety of resources, explaining the paradox of the plankton and species diversity patterns across ecosystems.
    1. Cell Biology
    2. Neuroscience

    Unraveling the link between neuropathy target esterase NTE/SWS, lysosomal storage diseases, inflammation, abnormal fatty acid metabolism, and leaky brain barrier

    Mariana I Tsap, Andriy S Yatsenko ... Halyna R Shcherbata
    Drosophila model reveals that NTE/SWS-associated neurodegeneration is a lysosomal storage disorder accompanied by a leaky brain permeability barrier, abnormal fatty acid metabolism, and inflammation.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    A mechanism for the extension and unfolding of parallel telomeric G-quadruplexes by human telomerase at single-molecule resolution

    Bishnu P Paudel, Aaron Lavel Moye ... Tracy M Bryan
    Human telomerase unfolds and extends parallel G-quadruplexes using a unique mechanism involving its RNA template.
    1. Neuroscience

    Systemic pharmacological suppression of neural activity reverses learning impairment in a mouse model of Fragile X syndrome

    Amin MD Shakhawat, Jacqueline G Foltz ... Jennifer L Raymond
    The capacity for new cerebellum-dependent learning is influenced by the recent history of neural activity in a mouse model of Fragile X syndrome, suggesting a role for metaplasticity.
    1. Neuroscience

    Synaptic and circuit mechanisms prevent detrimentally precise correlation in the developing mammalian visual system

    Ruben A Tikidji-Hamburyan, Gubbi Govindaiah ... Matthew T Colonnese
    The imprecise and broad connectivity of retinal inputs during development have the potential to generate large correlations in target neurons that reduce retinotopic information unless suppressed by the special synaptic and circuit properties present at these ages.
    1. Neuroscience

    Implications of variable synaptic weights for rate and temporal coding of cerebellar outputs

    Shuting Wu, Asem Wardak ... Wade G Regehr
    Purkinje cell inputs onto cerebellar nuclei (CbN) neurons have highly variable strengths, which allow them to influence CbN firing in a graded manner, with the largest individual inputs effectively regulating both the rate and spike timing of CbN neuron firing.
    1. Neuroscience

    Dopamine regulates stimulus generalization in the human hippocampus

    Thorsten Kahnt, Philippe N Tobler
    Inhibition of dopamine D2 receptors reduces generalization between stimuli, possibly by reducing interactions between the hippocampus and midbrain.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    A helicase-tethered ORC flip enables bidirectional helicase loading

    Shalini Gupta, Larry J Friedman ... Stephen P Bell
    A single origin–recognition complex (ORC) directs loading of a pair of head-to-head Mcm2-7 replicative DNA helicases by forming a protein tether to the first helicase, releasing from its initial DNA-binding site, and rebinding the origin DNA in the opposite orientation.
    1. Neuroscience

    Modulation of tonotopic ventral medial geniculate body is behaviorally relevant for speech recognition

    Paul Glad Mihai, Michelle Moerel ... Katharina von Kriegstein
    Ultra-high field neuroimaging dissects the ventral medial geniculate body (vMGB) of the primary auditory pathway from other MGB subregions and reveals that vMGB top-down modulation is relevant for speech recognition.

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