3,080 results found
    1. Ecology

    Global gradients in intertidal species richness and functional groups

    Jakob Thyrring, Lloyd S Peck
    No discernible latitudinal diversity gradient in rocky intertidal α-diversity as local-scale physical and biological processes outweigh global-scale environmental gradients.
    1. Evolutionary Biology

    Structural color in Junonia butterflies evolves by tuning scale lamina thickness

    Rachel C Thayer, Frances I Allen, Nipam H Patel
    Artificial selection on wing color and CRISPR/Cas9 knockout of the optix gene both alter scale lamina thickness in Junonia coenia, which shifts structural color wavelength and mimics macroevolutionary butterfly diversity.
    1. Neuroscience

    The RFamide receptor DMSR-1 regulates stress-induced sleep in C. elegans

    Michael J Iannacone, Isabel Beets ... David M Raizen
    During sickness, sleep is induced by neuropeptides, which contain an amidated arginine-phenylalanine motif, acting in a neuroendocrine fashion on a G-protein coupled receptor called DMSR-1.
    1. Medicine
    2. Physics of Living Systems

    High spatial resolution analysis using automated indentation mapping differentiates biomechanical properties of normal vs. degenerated articular cartilage in mice

    Anand O Masson, Bryce Besler ... Roman J Krawetz
    The method presented here allows researchers to retrieve accurate and reproducible biomechanical properties of mouse cartilage.
    1. Ecology

    Habitat loss weakens the positive relationship between grassland plant richness and above-ground biomass

    Yongzhi Yan, Scott Jarvie, Qing Zhang
    Habitat loss rather than fragmentation per se can weaken the positive BEF relationship by reducing the percentage of grassland specialists in the community.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Gene Variation: The double-edged sword of evolution

    Etty Kruzel-Davila, Karl Skorecki
    Two gene variants provide different levels of protection against sleeping sickness, but this comes with an increased risk of developing chronic kidney disease.
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    1. Microbiology and Infectious Disease

    Parasite Transmission: A two-stage solution

    Fabien Guegan, Luisa Figueiredo
    The parasite that causes African sleeping sickness can be transmitted from mammals to tsetse flies in two stages of its lifecycle, rather than one as was previously thought.
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    1. Neuroscience

    The frequency gradient of human resting-state brain oscillations follows cortical hierarchies

    Keyvan Mahjoory, Jan-Mathijs Schoffelen ... Joachim Gross
    The strongest peak frequency of brain oscillations in a brain area decreases significantly, gradually and robustly along the posterior-anterior axis following the global hierarchy from early sensory to higher order areas.

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