835 results found
  1. November 2015

    Episode 25: November 2015

    In this episode we hear about deep-sea bacteria, cigarette smoke and lung disease, antibiotic resistance, unconscious perception, and the benefits of sleep.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Disease-related mutations in PI3Kγ disrupt regulatory C-terminal dynamics and reveal a path to selective inhibitors

    Manoj K Rathinaswamy et al.
    The c-terminus of PI3K plays a key role in regulating kinase activity, with c-terminal disease-linked mutations leading to either activation or inhibition, which reveal a path to specific inhibitors.
    1. Cell Biology
    2. Developmental Biology

    Cytoneme delivery of Sonic Hedgehog from ligand-producing cells requires Myosin 10 and a Dispatched-BOC/CDON co-receptor complex

    Eric T Hall et al.
    Sonic Hedgehog is transported inside cytonemes with co-receptors that promote contact-mediated signal delivery to initiate rapid, receptor-dependent responses in recipient cells.
    1. Neuroscience

    Functional brain alterations following mild-to-moderate sensorineural hearing loss in children

    Axelle Calcus et al.
    Mild-to-moderate sensorineural hearing loss causes changes in the neurophysiological functioning that emerge during adolescence, as suggested by both cross-sectional and longitudinal designs.
    1. Medicine
    2. Neuroscience

    Family history of Alzheimer’s disease alters cognition and is modified by medical and genetic factors

    Joshua S Talboom et al.
    An internet-based cohort study of paired associate learning shows that a first-degree family history of dementia is associated with lowered performance, an effect modified by apolipoprotein E genotype and diabetes.
    1. Ecology

    Experimental and observational studies find contrasting responses of soil nutrients to climate change

    ZY Yuan et al.
    Experimental manipulations and environmental gradients, the two common-used approaches, are not at all comparable for predicting the impacts of climate change on nutrient cycling.
    1. Genetics and Genomics

    On the mechanistic nature of epistasis in a canonical cis-regulatory element

    Mato Lagator et al.
    Thermodynamic framework accurately predicts the sign of epistasis and its environment dependence for a canonical cis-regulatory element.
    1. Developmental Biology
    2. Plant Biology

    Cell type boundaries organize plant development

    Monica Pia Caggiano et al.
    Leaf position, shape and orientation are pre-patterned by cell type boundaries in the shoot meristem.
    1. Cell Biology

    Spatial sequestration and detoxification of Huntingtin by the ribosome quality control complex

    Junsheng Yang et al.
    A genome-wide screen in yeast reveals that key proteins in ribosome quality control also regulate mutant Huntingtin aggregation and toxicity.
    1. Structural Biology and Molecular Biophysics

    Epithelial magnesium transport by TRPM6 is essential for prenatal development and adult survival

    Vladimir Chubanov et al.
    Mice deficient in the TRPM6 channel suffer from impaired prenatal development, shortened lifespan, growth deficit and disturbed energy balance due to a defect in epithelial Mg2+ uptake, thus highlighting a pivotal role of TRPM6 in organismal Mg2+ homeostasis.

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