835 results found
    1. Structural Biology and Molecular Biophysics

    Structural basis for histone variant H3tK27me3 recognition by PHF1 and PHF19

    Cheng Dong, Reiko Nakagawa ... Jinrong Min
    Complex structures of Tudor domains of PHF1/19 with H3tK27me3 provide structural basis for preferential recognition of H3tK27me3 over canonical H3K27me3, implicating that H3tK27me3 might be a physiological ligand of PHF1/19.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Identification of novel HPFH-like mutations by CRISPR base editing that elevate the expression of fetal hemoglobin

    Nithin Sam Ravi, Beeke Wienert ... Kumarasamypet M Mohankumar
    Adenine and cytosine base editing of highly homologous HBG proximal promoter identifies novel target sites that result in adult to fetal globin switching without causing 4.9 kb large deletions.
    1. Cancer Biology

    The origins and consequences of UPF1 variants in pancreatic adenosquamous carcinoma

    Jacob T Polaski, Dylan B Udy ... Robert K Bradley
    UPF1 mutations were reportedly present at high frequencies in a cohort of pancreatic adenosquamous carcinoma patients, but these lesions are unlikely to be functional drivers of this cancer subtype.
    1. Chromosomes and Gene Expression

    The RNA helicase UPF1 associates with mRNAs co-transcriptionally and is required for the release of mRNAs from gene loci

    Anand K Singh, Subhendu Roy Choudhury ... Saverio Brogna
    UPF1 associates with nascent transcripts and plays a broad role in nuclear processes of gene expression.
    1. Cancer Biology
    2. Cell Biology

    Heat shock factor 1 (HSF1) cooperates with estrogen receptor α (ERα) in the regulation of estrogen action in breast cancer cells

    Natalia Vydra, Patryk Janus ... Wieslawa Widlak
    Heat shock factor 1 is involved in estrogen-induced chromatin remodeling in estrogen receptor-positive breast cancer cells.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Evolutionary adaptation of an HP1-protein chromodomain integrates chromatin and DNA sequence signals

    Lisa Baumgartner, Jonathan J Ipsaro ... Julius Brennecke
    Genetic and biochemical characterization reveals how a single amino acid change in the chromodomain of the HP1 protein Rhino enables its specific interaction with the guidance factor Kipferl.
    1. Cell Biology
    2. Computational and Systems Biology

    Dynamic control of Hsf1 during heat shock by a chaperone switch and phosphorylation

    Xu Zheng, Joanna Krakowiak ... David Pincus
    Quantitative dissection of the roles of chaperone binding and phosphorylation in regulating heat shock factor 1 leads to a predictive model of the dynamics of the yeast heat shock response.
    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, Xu Zheng ... David Pincus
    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. Cell Biology

    Cytoplasmic protein misfolding titrates Hsp70 to activate nuclear Hsf1

    Anna E Masser, Wenjing Kang ... Claes Andréasson
    Hsp70 restricts DNA binding activity of Hsf1 to control the width and amplitude of the heat-shock regulon.
    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.

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