469 results found
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Boosting ATM activity alleviates aging and extends lifespan in a mouse model of progeria

    Minxian Qian et al.
    The ATM-SIRT6 axis integrates the DNA repair machinery to longevity-promoting pathways.
    1. Developmental Biology and Stem Cells

    Notochord: Patterning the spine

    Matthew P Harris, Gloria Arratia
    Experiments have shed new light on the development of the spine in zebrafish.
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    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Proteasome storage granules protect proteasomes from autophagic degradation upon carbon starvation

    Richard S Marshall, Richard D Vierstra
    Proteasomes are protected from autophagic elimination upon carbon starvation by sequestration into cytoplasmic storage granules, which aid cell fitness by providing a cache of proteasomes that can be rapidly remobilized when carbon availability improves.
    1. Immunology and Inflammation

    Histone Deacetylase 7 mediates tissue-specific autoimmunity via control of innate effector function in invariant Natural Killer T Cells

    Herbert G Kasler et al.
    The development of Natural Killer T Cells is controlled by Histone Deacetylase 7, a function that combined with its known role in thymic negative selection provides a potential mechanism explaining its association with tissue-specific autoimmunity in humans.
    1. Cell Biology

    Age-related islet inflammation marks the proliferative decline of pancreatic beta-cells in zebrafish

    Sharan Janjuha et al.
    During aging, the pancreatic endocrine islets undergo chronic inflammation, which is associated with a reduced capacity for self-renewal of the insulin-producing beta-cells in zebrafish.
    1. Immunology and Inflammation

    Somatic hypermutation of T cell receptor α chain contributes to selection in nurse shark thymus

    Jeannine A Ott et al.
    Shark's T cells suggest plasticity in diversification mechanisms used by vertebrate lymphocytes, including somatic hypermutation in the thymus.
    1. Neuroscience

    Synapse-specific and compartmentalized expression of presynaptic homeostatic potentiation

    Xiling Li et al.
    Genetic and electrophysiological analyses reveal that the mechanisms orchestrating the induction and expression of homeostatic plasticity are compartmentalized and operate with exquisite specificity on both sides of the synapse.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Functional genomics of lipid metabolism in the oleaginous yeast Rhodosporidium toruloides

    Samuel T Coradetti et al.
    Using barcoded mutagenesis and a high-throughput genetic screen results in the identification of 150 genes that affect lipid accumulation in a non-model yeast system.
    1. Computational and Systems Biology
    2. Chromosomes and Gene Expression

    Stochastic tuning of gene expression enables cellular adaptation in the absence of pre-existing regulatory circuitry

    Peter L Freddolino et al.
    Stochastic tuning of gene expression could be a common mechanism through which eukaryotic cells adapt to challenging external environments, potentially including survival of infectious organisms within the host and adaptation of cancer cells to chemotherapy.

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