743 results found
    1. Developmental Biology

    Maternal H3K36 and H3K27 HMTs protect germline development via regulation of the transcription factor LIN-15B

    Chad Steven Cockrum, Susan Strome
    The H3K36 and H3K27 histone methyltransferases MES-4 and PRC2 protect survival of the nascent germline in Caenorhabditis elegans by repressing expression of X-linked genes, including the key transcription factor LIN-15B.
    1. Developmental Biology

    Increasing Notch signaling antagonizes PRC2-mediated silencing to promote reprograming of germ cells into neurons

    Stefanie Seelk, Irene Adrian-Kalchhauser ... Rafal Ciosk
    Increased Notch signaling enhances germ cell reprograming in C. elegans by antagonizing PRC2-mediated repression, which results in the activation of UTX-1 and other reprograming-promoting genes.
    1. Microbiology and Infectious Disease

    In situ imaging of bacterial outer membrane projections and associated protein complexes using electron cryo-tomography

    Mohammed Kaplan, Georges Chreifi ... Grant J Jensen
    Electron cryo-tomography reveals that bacteria can form structurally-diverse outer membrane extensions with various protein complexes associated with them.
    1. Neuroscience
    2. Stem Cells and Regenerative Medicine

    Piezo1 forms a slowly-inactivating mechanosensory channel in mouse embryonic stem cells

    Josefina Inés del Mármol, Kouki K Touhara ... Roderick MacKinnon
    Piezo1 exhibits markedly different kinetic behavior in different cellular contexts.
    1. Developmental Biology

    Distinct functions of three Wnt proteins control mirror-symmetric organogenesis in the C. elegans gonad

    Shuhei So, Masayo Asakawa, Hitoshi Sawa
    The mirror-symmetric structure of the Caenorhabditis elegans gonad is established through the Wnt-independent function of a Frizzled protein and three Wnt proteins with distinct roles.
    1. Cell Biology
    2. Developmental Biology

    Nanos promotes epigenetic reprograming of the germline by down-regulation of the THAP transcription factor LIN-15B

    Chih-Yung Sean Lee, Tu Lu, Geraldine Seydoux
    Nanos is required for germline specification by erasure of maternal program in primordial germ cells.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Analysis of long and short enhancers in melanoma cell states

    David Mauduit, Ibrahim Ihsan Taskiran ... Stein Aerts
    Multi-level massively parallel reporter assays (H3K27ac, ATAC and short tiles) in a panel of melanoma cell lines, together with a deep learning model, reveal location, multiplicity and grammar of subtype specific enhancers.
    1. Cancer Biology

    NF1 regulates mesenchymal glioblastoma plasticity and aggressiveness through the AP-1 transcription factor FOSL1

    Carolina Marques, Thomas Unterkircher ... Massimo Squatrito
    Neurofibromatosis type 1 gene (NF1) signaling is causally linked to the acquisition of a mesenchymal gene expression program in gliomas through the regulation of the AP-1 transcription factor FOSL1.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Observing one-divalent-metal-ion-dependent and histidine-promoted His-Me family I-PpoI nuclease catalysis in crystallo

    Caleb Chang, Grace Zhou, Yang Gao
    In crystallo observation of HNH family I-PpoI nuclease cleaving DNA suggests that one divalent metal ion and a histidine are required for catalysis.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Live-cell single-molecule tracking reveals co-recognition of H3K27me3 and DNA targets polycomb Cbx7-PRC1 to chromatin

    Chao Yu Zhen, Roubina Tatavosian ... Xiaojun Ren
    Live-cell single-molecule tracking reveals that hierarchical cooperation within the Polycomb Cbx7 protein between the low-affinity H3K27me3-binding module and the high-affinity DNA-binding cassette targets Polycomb repressive complex 1 to chromatin.

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