2,697 results found
    1. Chromosomes and Gene Expression
    2. Neuroscience

    Activation of GCN2 kinase by ribosome stalling links translation elongation with translation initiation

    Ryuta Ishimura, Gabor Nagy ... Susan L Ackerman
    Activation of the integrated stress response by stalled translation elongation complexes attenuates neurodegeneration, and demonstrates a protective link between a decrease in the rate of translation initiation and defects in translation elongation.
    1. Cell Biology
    2. Developmental Biology

    Control of PNG kinase, a key regulator of mRNA translation, is coupled to meiosis completion at egg activation

    Masatoshi Hara, Boryana Petrova, Terry L Orr-Weaver
    The kinase that controls maternal mRNA translation is regulated by phosphorylation of its activating subunit to restrict kinase activity to the developmental window between meiosis completion and early embryogenesis.
    1. Chromosomes and Gene Expression

    Ssd1 and Gcn2 suppress global translation efficiency in replicatively aged yeast while their activation extends lifespan

    Zheng Hu, Bo Xia ... Jessica K Tyler
    Activation of the stress response pathway in young cells extends replicative lifespan, not by reducing global protein synthesis per se, but by Gcn4-mediated autophagy induction.
    1. Cell Biology

    Tyramine induces dynamic RNP granule remodeling and translation activation in the Drosophila brain

    Nadia Formicola, Marjorie Heim ... Florence Besse
    Tyramine-dependent signaling triggers decondensation of neuronal RNP components and rapid translation activation of target mRNAs.
    1. Cell Biology
    2. Immunology and Inflammation

    Robust T cell activation requires an eIF3-driven burst in T cell receptor translation

    Dasmanthie De Silva, Lucas Ferguson ... Jamie HD Cate
    Binding of the translation initiation factor eIF3 to the messenger RNAs encoding the T cell receptor subunits alpha and beta is required to drive a short burst in their translation and promote a strong T cell response.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Differential translation of mRNA isoforms underlies oncogenic activation of cell cycle kinase Aurora A

    Roberta Cacioppo, Hesna Begum Akman ... Catherine Lindon
    Post-transcriptional regulation of Aurora Kinase A (AURKA) through alternative polyadenylation of its mRNA determines miRNA influence and is a feature of cell cycle-specific AURKA expression whose impairment leads to acquisition of cancer phenotypes.
    1. Chromosomes and Gene Expression
    2. Immunology and Inflammation

    ZFP36 RNA-binding proteins restrain T cell activation and anti-viral immunity

    Michael J Moore, Nathalie E Blachere ... Robert B Darnell
    By attenuating the translation of key mRNA targets, ZFP36 RNA binding proteins restrain the expansion and effector activity of T cells.
    1. Structural Biology and Molecular Biophysics

    Tracking the movement of discrete gating charges in a voltage-gated potassium channel

    Michael F Priest, Elizabeth EL Lee, Francisco Bezanilla
    Experimental measurement of the trajectory of gating charge surrogates during voltage activation and deactivation in a voltage sensor.
    1. Cell Biology
    2. Developmental Biology

    The GNU subunit of PNG kinase, the developmental regulator of mRNA translation, binds BIC-C to localize to RNP granules

    Emir E Avilés-Pagán, Masatoshi Hara, Terry L Orr-Weaver
    The Drosophila PNG kinase controls mRNA translation at the oocyte-to-embryo transition, and its GNU activating subunit is shown here to bind translational repressors and be a component of RNP granules.

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