4,181 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Ligand-induced shifts in conformational ensembles that describe transcriptional activation

    Sabab Hasan Khan, Sean M Braet ... C Denise Okafor
    Transcriptional activity is characterized for five steroid receptors complexed with multiple ligands and it is shown that the extent of transcriptional activation in complexes is accurately described by conformational shifts in computationally-generated ensembles.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Simple biochemical features underlie transcriptional activation domain diversity and dynamic, fuzzy binding to Mediator

    Adrian L Sanborn, Benjamin T Yeh ... Roger D Kornberg
    Transcriptional activation domains achieve rapid, dynamic, specific interaction with Mediator through binding of an unstructured peptide to multiple hydrophobic surfaces without particular amino acid side chain interactions.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Longitudinal analysis of invariant natural killer T cell activation reveals a cMAF-associated transcriptional state of NKT10 cells

    Harry Kane, Nelson M LaMarche ... Lydia Lynch
    Invariant natural killer T (iNKT) cells have some shared yet some distinct metabolic and transcriptional programs for their in vivo effector functions, including a novel population of memory-like regulatory iNKT cells.
    1. Stem Cells and Regenerative Medicine

    Sequential activation of transcriptional repressors promotes progenitor commitment by silencing stem cell identity genes

    Noemi Rives-Quinto, Hideyuki Komori ... Cheng-Yu Lee
    Silencing of stem cell identity genes during progenitor commitment ensures that intermediate progenitors robustly commit to generate differentiated cell types rather than abnormal stem-cell-like cells during indirect neurogenesis.
    1. Neuroscience
    2. Stem Cells and Regenerative Medicine

    Activation of a neural stem cell transcriptional program in parenchymal astrocytes

    Jens P Magnusson, Margherita Zamboni ... Jonas Frisén
    Parenchymal astrocytes are quiescent neural stem cells whose neurogenic potential can be unleashed by targeted manipulations guided by single-cell RNA sequencing data.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    The histone H3K9 demethylase KDM3A promotes anoikis by transcriptionally activating pro-apoptotic genes BNIP3 and BNIP3L

    Victoria E Pedanou, Stéphane Gobeil ... Michael R Green
    A large-scale RNA interference screen uncovers a new transcriptional regulatory program involving the histone H3 demethylase KDM3A, which mediates detachment-induced apoptosis (anoikis) in breast epithelial cells.
    Short Report Updated
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    1. Chromosomes and Gene Expression

    Sustained TNF-α stimulation leads to transcriptional memory that greatly enhances signal sensitivity and robustness

    Zuodong Zhao, Zhuqiang Zhang ... Bing Zhu
    Sustained TNF-α induction consolidates transcriptional memory for faster, stronger, and more sensitive subsequent induction in an active DNA demethylation-dependent manner for memory genes including CALCB, a therapeutic target for migraine.
    1. Biochemistry and Chemical Biology

    The HIV-1 Tat protein recruits a ubiquitin ligase to reorganize the 7SK snRNP for transcriptional activation

    Tyler B Faust, Yang Li ... Alan D Frankel
    The HIV-1 Tat protein hijacks host non-degradative ubiquitination to trigger the nuclear import of the transcription elongation factor, P-TEFb.
    1. Genetics and Genomics

    Recognition of galactose by a scaffold protein recruits a transcriptional activator for the GAL regulon induction in Candida albicans

    Xun Sun, Jing Yu ... Yang Lu
    The transcriptional network for the GAL regulon induction in the pathogenic fungus Candida albicans represents an important advance in the evolution of the regulatory circuits, and would make a nice addition to the textbook version of eukaryotic gene regulation.
    Short Report Updated
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    1. Cell Biology
    2. Chromosomes and Gene Expression

    Set1/COMPASS and Mediator are repurposed to promote epigenetic transcriptional memory

    Agustina D'Urso, Yoh-hei Takahashi ... Jason H Brickner
    Epigenetic transcriptional memory employs a novel regulatory strategy to create a heritable poised state by remodeling and repurposing complexes involved in active transcription.

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