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    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, Laura Le Breton ... Matthias P Mayer
    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
    2. Computational and Systems Biology

    Heat Shock Response: A model for handling cell stress

    Laura Le Breton, Matthias P Mayer
    Version of Record
    Insight
    1. Cell Biology
    2. Developmental Biology

    Endogenous siRNAs promote proteostasis and longevity in germline-less Caenorhabditis elegans

    Moran Cohen-Berkman, Reut Dudkevich ... Sivan Henis-Korenblit
    Endo-siRNAs slow down the rate of aging and enable the maintenance of a responsive heat shock response in aging germline-less Caenorhabditis elegans.
    1. Cell Biology

    Serotonin signaling by maternal neurons upon stress ensures progeny survival

    Srijit Das, Felicia K Ooi ... Veena Prahlad
    Neuronal serotonin release tunes transcription response times of Caenorhabditis elegans germ cells to promote the survival and stress resistance of future offspring.
    1. Developmental Biology

    BMP and FGF signaling interact to pattern mesoderm by controlling basic helix-loop-helix transcription factor activity

    Richard H Row, Amy Pegg ... Benjamin L Martin
    Interplay between FGF-induced bHLH transcription factors and BMP-induced bHLH inhibitory id genes govern mesodermal cell fate choice along the mediolateral axis in both zebrafish and mouse.
    1. Cell Biology
    2. Developmental Biology

    HSF-1 activates the ubiquitin proteasome system to promote non-apoptotic developmental cell death in C. elegans

    Maxime J Kinet, Jennifer A Malin ... Shai Shaham
    A pathway controlling non-apoptotic developmental cell death engages non-canonical death-promoting activities of the stress factor HSF-1, which, in turn, activates specific components of the ubiquitin-mediated degradation machinery.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Proteostasis is differentially modulated by inhibition of translation initiation or elongation

    Khalyd J Clay, Yongzhi Yang ... Michael Petrascheck
    Carefully controlling the level of protein synthesis reduction and mode of translation inhibitor action reveal different and sometimes opposing phenotypic effects following proteostasis stress, wherein protection via initiation inhibition specifically depends on heat shock factor 1.
    1. Genetics and Genomics
    2. Neuroscience

    Homeodomain-interacting protein kinase maintains neuronal homeostasis during normal Caenorhabditis elegans aging and systemically regulates longevity from serotonergic and GABAergic neurons

    Maria I Lazaro-Pena, Adam B Cornwell ... Andrew V Samuelson
    The transcriptional cofactor HPK-1 (homeodomain-interacting protein kinase) functions as a key regulator of multiple proteostatic stress responses, each originating from discrete neuronal subtypes within the Caenorhabditis elegans nervous system to preserve neuronal health and maintain organismal proteostasis during normal aging.
    1. Developmental Biology
    2. Genetics and Genomics

    The transcriptional corepressor CTBP-1 acts with the SOX family transcription factor EGL-13 to maintain AIA interneuron cell identity in Caenorhabditis elegans

    Josh Saul, Takashi Hirose, H Robert Horvitz
    The maintenance of diverse cell identities might be coordinated through the interaction between widely acting transcriptional corepressors and cell-specific transcription factors to repress undesired gene expression in a cell-type-specific manner.
    1. Physics of Living Systems

    The importance of intermediate filaments in the shape maintenance of myoblast model tissues

    Irène Nagle, Florence Delort ... Myriam Reffay
    Specific to muscles and essential for their development, desmin is revealed to be fundamental to the mechanics and shape maintenance of model muscle tissue even in early differentiating and unorganized systems through an integrated magnetic tensiometer approach.