1,371 results found
    1. Cell Biology
    2. Computational and Systems Biology

    Nonlinear feedback drives homeostatic plasticity in H2O2 stress response

    Youlian Goulev, Sandrine Morlot ... Gilles Charvin
    Nonlinear H2O2 scavenging by peroxiredoxins drives acquired stress resistance and replicative lifespan hormesis.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Ribosomal mutations promote the evolution of antibiotic resistance in a multidrug environment

    James E Gomez, Benjamin B Kaufmann-Malaga ... Deborah T Hung
    Mutations in several components of a bacterial ribosome are shown to broadly decrease antibiotic and stress sensitivity, and readily accessible reversion mutations allow these ribosomal mutations to serve as stepping stones to high level antibiotic resistance.
    1. Cell Biology
    2. Developmental Biology

    Transdifferentiation mediated tumor suppression by the endoplasmic reticulum stress sensor IRE-1 in C. elegans

    Mor Levi-Ferber, Hai Gian ... Sivan Henis-Korenblit
    IRE-1 manipulates tumor cell identity to restore apoptosis sensitivity and suppress an aggressive germline tumor in C. elegans.
    1. Cancer Biology
    2. Cell Biology

    Confined migration promotes cancer metastasis through resistance to anoikis and increased invasiveness

    Deborah Fanfone, Zhichong Wu ... Gabriel Ichim
    A biomechanical approach inducing confined cell migration reveals that mechanical stress has a profound effect on cancer cell survival.
    1. Genetics and Genomics

    Diversification of the Caenorhabditis heat shock response by Helitron transposable elements

    Jacob M Garrigues, Brian V Tsu ... Amy E Pasquinelli
    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. Cancer Biology

    An epigenetic switch regulates the ontogeny of AXL-positive/EGFR-TKi-resistant cells by modulating miR-335 expression

    Polona Safaric Tepes, Debjani Pal ... Raffaella Sordella
    Erlotinib-resistant AXL overexpressing cells are present in therapy-naive tumors, and expression of AXL in these cells is regulated through a stochastic mechanism centered on the epigenetic regulation of miR-335.
    1. Cell Biology

    Unique integrated stress response sensors regulate cancer cell susceptibility when Hsp70 activity is compromised

    Sara Sannino, Megan E Yates ... Jeffrey L Brodsky
    Unique integrate stress response sensors differentially trigger pro-survival versus pro-apoptotic responses in cells confronted with Hsp70 inhibitor-associated proteotoxic challenges.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Evolutionary pathways to antibiotic resistance are dependent upon environmental structure and bacterial lifestyle

    Alfonso Santos-Lopez, Christopher W Marshall ... Vaughn S Cooper
    Bacteria growing in biofilms evolve antimicrobial resistance via different pathways and generate greater genetic diversity than well-mixed populations, selecting fitter but less resistant genotypes.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Inducible mechanisms of disease tolerance provide an alternative strategy of acquired immunity to malaria

    Wiebke Nahrendorf, Alasdair Ivens, Philip J Spence
    Malaria remodels the spleen to imprint tolerance and reduce pathology in subsequent infections.
    1. Neuroscience

    Extinction recall of fear memories formed before stress is not affected despite higher theta activity in the amygdala

    Mohammed Mostafizur Rahman, Ashutosh Shukla, Sumantra Chattarji
    When the fear-enhancing effects of prior exposure to stress are absent, the expression of fear reflects normal neural activity in the medial prefrontal cortex, not stress-induced hyperactivity in the amygdala.
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