230 results found
    1. Cell Biology

    Inter-Golgi transport mediated by COPI-containing vesicles carrying small cargoes

    Patrina A Pellett et al.
    Evidence that certain proteins can be transported between Golgi via structures that resemble COPI vesicles suggests that these vesicles could also be involved in the transport of proteins from the cis to the trans face of the Golgi.
    1. Ecology
    2. Microbiology and Infectious Disease

    A microbial clock provides an accurate estimate of the postmortem interval in a mouse model system

    Jessica L Metcalf et al.
    High-throughput sequencing has been used to analyze the microbiome of mouse corpses over a period of 48 days, and to provide an accurate estimate of the time since death.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Mechanism of chiral proofreading during translation of the genetic code

    Sadeem Ahmad et al.
    Structural biology has elucidated the mechanism of a configuration-specific enzyme that decouples D-amino acids from the translational machinery and, therefore, is involved in the enforcement of homochirality during protein synthesis.
    1. Ecology

    Extinction risk and conservation of the world’s sharks and rays

    Nicholas K Dulvy et al.
    One-quarter of the Chondrichthyes have an elevated risk of extinction, mainly as a result of overfishing.
    1. Neuroscience

    Long term functional plasticity of sensory inputs mediated by olfactory learning

    Nixon M Abraham et al.
    Associative learning, but not passive odorant exposure, induces a novel long lasting functional plasticity in the periphery of mouse olfactory system, making previously encountered odors easier to detect in the future.
    1. Cell Biology
    2. Plant Biology

    Subcellular and supracellular mechanical stress prescribes cytoskeleton behavior in Arabidopsis cotyledon pavement cells

    Arun Sampathkumar et al.
    In the Arabidopsis epidermis, the internal mechanical stress of a cell competes with the external stress to control microtubule behavior, providing a framework to understand the mechanical feedbacks that underlie plant morphogenesis.
    1. Neuroscience

    Midbrain dopamine neurons sustain inhibitory transmission using plasma membrane uptake of GABA, not synthesis

    Nicolas X Tritsch et al.
    The molecular mechanisms by which midbrain dopamine neurons acquire the inhibitory neurotransmitter GABA for synaptic release are revealed.
    1. Neuroscience

    Enhancement of fear memory by retrieval through reconsolidation

    Hotaka Fukushima et al.
    Retrieval enhances fear memory through reconsolidation by activating calcineurin-induced protein degradation and CREB-mediated gene expression in amygdala, hippocampus, and mPFC.
    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

    Orbitofrontal neurons acquire responses to ‘valueless’ Pavlovian cues during unblocking

    Michael A McDannald et al.
    Orbitofrontal cortex neurons fire in response to cues with no value independent of what can be inferred through features of the predicted outcome.

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