2,031 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Transient intracellular acidification regulates the core transcriptional heat shock response

    Catherine G Triandafillou et al.
    When translation stops, cells require intracellular acidification to turn on the conserved heat shock response during stress, and stress-triggered acidification (common in eukaryotes) is adaptive, promoting cell and population fitness.
    1. Cell Biology
    2. Genetics and Genomics

    ReporterSeq reveals genome-wide dynamic modulators of the heat shock response across diverse stressors

    Brian D Alford et al.
    A pooled genetic screening method measures the effect of knocking down every gene on a transcriptional stress response to proteotoxic stress (the heat shock response) using only nucleic acid sequencing, without cell enrichment or single-cell isolation.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The translation elongation factor eEF1A1 couples transcription to translation during heat shock response

    Maria Vera et al.
    Eukaryotic translation elongation factor 1A1 controls the process of heat shock response, from transcriptional activation of the HSP70 gene, to HSP70 mRNA stabilization, nuclear export, and translation.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    Hsf1 and Hsp70 constitute a two-component feedback loop that regulates the yeast heat shock response

    Joanna Krakowiak et al.
    Dynamic regulation of the heat shock response depends on a negative feedback loop in which Hsf1 activates expression of Hsp70 and Hsp70 specifically and directly represses Hsf1 transactivation.
    1. Genetics and Genomics

    Diversification of the Caenorhabditis heat shock response by Helitron transposable elements

    Jacob M Garrigues et al.
    Helitron transposable elements, by providing high density transcription factor binding sites upstream of host genes, have diversified the heat shock response within and among Caenorhabditis species.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Distinct transcriptional responses elicited by unfolded nuclear or cytoplasmic protein in mammalian cells

    Yusuke Miyazaki et al.
    A new unfolded protein response has been discovered that is distinct from the heat shock response and protects mammalian cells from proteotoxic stress.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Molecular mechanism of thermosensory function of human heat shock transcription factor Hsf1

    Nikolai Hentze et al.
    Heat-induced local unfolding allows Hsf1 to form trimers and bind to DNA, which depends on Hsf1 concentration and is promoted, not inhibited, by Hsp90.
    1. Cell Biology

    Cytoplasmic protein misfolding titrates Hsp70 to activate nuclear Hsf1

    Anna E Masser et al.
    Hsp70 restricts DNA binding activity of Hsf1 to control the width and amplitude of the heat-shock regulon.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Heat Shock: When pH comes to the rescue

    Davi Gonçalves et al.
    In starving yeast exposed to thermal stress, a transient drop in intracellular pH helps to trigger the heat shock response.
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    1. Biochemistry and Chemical Biology
    2. Evolutionary Biology

    Host proteostasis modulates influenza evolution

    Angela M Phillips et al.
    Host protein homeostasis is a critical force shaping influenza evolution, impacting both the nature of selection on the influenza genome and the accessibility of specific mutational trajectories.

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