857 results found
    1. Ecology

    Widespread variation in heat tolerance and symbiont load are associated with growth tradeoffs in the coral Acropora hyacinthus in Palau

    Brendan Cornwell et al.
    Bleaching-resistant corals are widespread across Palau and concentrated in warmer regions, but this trait is associated with decreased growth which could lead to reduced fitness if it is the only priority of conservation efforts.
    1. Neuroscience

    Coherent theta activity in the medial and orbital frontal cortices encodes reward value

    Linda M Amarante, Mark Laubach
    The more you want it or the better it is, the stronger is medial frontal theta (paraphrased from a retweet of our preprint by Dr James Hyman).
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    A prion accelerates proliferation at the expense of lifespan

    David M Garcia et al.
    In its capacity to switch into a heritable, prionogenic form, a conserved RNA-modifying enzyme epigenetically alters fundamental growth, aging, and protein synthesis properties of eukaryotic cells.
    1. Medicine

    Aorta smooth muscle-on-a-chip reveals impaired mitochondrial dynamics as a therapeutic target for aortic aneurysm in bicuspid aortic valve disease

    Mieradilijiang Abudupataer et al.
    An aorta smooth muscle-on-a-chip model indicated that NOTCH1 insufficiency in HAoSMCs induced phenotypic switching from a contractile to a synthetic phenotype accompanied by an impairment of mitochondrial fusion, implying its potential role as a therapeutic target for BAV-TAA.
    1. Stem Cells and Regenerative Medicine

    Mesenchymal stromal cell aging impairs the self-organizing capacity of lung alveolar epithelial stem cells

    Diptiman Chanda et al.
    Lung stem cell niche aging is associated with altered bioenergetics, metabolic dysfunction, and senescence of mesenchymal stromal cells that restricts 3D organoid, or alveolosphere formation, potentially accounting for reduced regenerative capacity with aging.
    1. Chromosomes and Gene Expression
    2. Microbiology and Infectious Disease

    A nascent polypeptide sequence modulates DnaA translation elongation in response to nutrient availability

    Michele Felletti et al.
    Specific amino acids in the N-terminus of the replication initiator protein DnaA inhibit translation elongation upon carbon starvation, illustrating that the identity of the N-terminal amino acids of a protein can modulate protein synthesis yield under changing conditions.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Bipartite binding and partial inhibition links DEPTOR and mTOR in a mutually antagonistic embrace

    Maren Heimhalt et al.
    The inhibitory protein DEPTOR make two widely separated interactions with mTOR that are both necessary for its unique partial mTOR inhibition, and DEPTOR is a more potent inhibitor of mutation- or RHEB-activated mTORC1 than basal mTORC1.
    1. Evolutionary Biology

    Evolution of diversity in metabolic strategies

    Rodrigo Caetano et al.
    Analytical and numerical analyses reveal that the number of coexisting species exceeds the number of resource only for the structurally unstable case of linear tradeoff.
    1. Epidemiology and Global Health
    2. Immunology and Inflammation

    Contrasting effects of Western vs Mediterranean diets on monocyte inflammatory gene expression and social behavior in a primate model

    Corbin SC Johnson et al.
    Modern human diet patterns alter primate behavior and monocyte gene expression leading to monocyte polarization–experimental evidence of the evolutionary mismatch hypothesis.
    1. Ecology
    2. Evolutionary Biology

    The evolution of strategy in bacterial warfare via the regulation of bacteriocins and antibiotics

    Rene Niehus et al.
    Evolutionary game theory identifies reciprocation as a key winning strategy for warring bacteria.

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