20 results found
    1. Biochemistry and Chemical Biology

    Intrinsic disorder within AKAP79 fine-tunes anchored phosphatase activity toward substrates and drug sensitivity

    Patrick J Nygren et al.
    Flexibility is a defining feature of AKAP kinase-phosphatase assemblies and points toward a mechanism whereby combinatorial recruitment of binding partners tailors the overall conformation of the macromolecular assembly, allowing customized physiological roles.
    1. Biochemistry and Chemical Biology
    2. Developmental Biology

    CAMKII and Calcineurin regulate the lifespan of Caenorhabditis elegans through the FOXO transcription factor DAF-16

    Li Tao et al.
    Longevity in C. elegans is influenced not only by insulin/IGF-1 signalling, but also by CAMKII and calcineurin, acting on the same target, the transcription factor DAF-16.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A dynamic charge-charge interaction modulates PP2A:B56 substrate recruitment

    Xinru Wang et al.
    A novel dynamic charge-charge interaction between B56 and a subset of PP2A-B56 substrates is essential for substrate specificity, dephosphorylation and, for KIF4A, binding condensin I.
    1. Cell Biology
    2. Neuroscience

    Glial Ca2+signaling links endocytosis to K+ buffering around neuronal somas to regulate excitability

    Shirley Weiss et al.
    An unbiased genetic screen in Drosophila provides evidence for a direct link between glial Ca2+ 25 signaling and classical functions of glia in buffering external K+ as a mechanism to regulate neuronal excitability.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    TORC2-dependent protein kinase Ypk1 phosphorylates ceramide synthase to stimulate synthesis of complex sphingolipids

    Alexander Muir et al.
    TORC2-Ypk1 signaling upregulates flux through the sphingolipid pathway not only by increasing the supply of long-chain base precursors, but also by increasing their use in synthesizing complex sphingolipids.
    1. Neuroscience

    Analysis of protein phosphorylation in nerve terminal reveals extensive changes in active zone proteins upon exocytosis

    Mahdokht Kohansal-Nodehi et al.
    Global phosphoproteomic analysis in nerve terminal during exocytosis reveals 252 uniquely regulated phosphosites, highlighting complex regulation of active zone proteins at multiple sites and the role of specific kinases/phosphatases.
    1. Cell Biology

    The transcription factors TFE3 and TFEB amplify p53 dependent transcriptional programs in response to DNA damage

    Owen A Brady et al.
    Disruption of TFEB and TFE3 results in diminished p53 signaling capacity and altered cell cycle regulation under genotoxic stress conditions.
    1. Developmental Biology

    Dephosphorylation of the NPR2 guanylyl cyclase contributes to inhibition of bone growth by fibroblast growth factor

    Leia C Shuhaibar et al.
    Fibroblast growth factor induces dephosphorylation and inactivation of the NPR2 guanylyl cyclase, thus decreasing cyclic GMP production in growth plate chondrocytes and contributing to FGF-dependent decreases in bone growth.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    CatSperĪ¶ regulates the structural continuity of sperm Ca2+ signaling domains and is required for normal fertility

    Jean-Ju Chung et al.
    A new component, CatSper zeta, is required for continuous alignment of the calcium channel along the sperm's tail and is crucial for normal sperm swimming behavior and fertility.
    1. Biochemistry and Chemical Biology

    Discovery of a molecular glue promoting CDK12-DDB1 interaction to trigger cyclin K degradation

    Lu Lv et al.
    High-throughput phenotypic screening followed by unbiased target identification reveals a new molecular glue HQ461 that induces CDK12-DDB1 interaction to promote degradation of Cyclin K via the ubiquitin proteasome system.

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