191 results found
    1. Chromosomes and Gene Expression
    2. Biochemistry and Chemical Biology

    Cooperative interactions facilitate stimulation of Rad51 by the Swi5-Sfr1 auxiliary factor complex

    Bilge Argunhan et al.
    The intrinsically disordered N-terminus of Sfr1 contains two Rad51 binding sites that facilitate Rad51 filament stabilization and ATPase stimulation by the Swi5-Sfr1 complex, leading to efficient Rad51-driven strand exchange.
    1. Cancer Biology
    2. Stem Cells and Regenerative Medicine

    T-ALL leukemia stem cell 'stemness' is epigenetically controlled by the master regulator SPI1

    Haichuan Zhu et al.
    The identification of key determinants of LSC “stemness” and LSC differentiation that is reversible through an epigenetic mechanism may have considerable implications in understanding leukemia and designing effective therapies.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Structured illumination with particle averaging reveals novel roles for yeast centrosome components during duplication

    Shannon Burns et al.
    Visualization of yeast spindle pole proteins using a new microscopy method shows that assembly into the nuclear membrane occurs at the same time as duplication.
    1. Cell Biology
    2. Chromosomes and Gene Expression

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

    Agustina D'Urso et al.
    Epigenetic transcriptional memory employs a novel regulatory strategy to create a heritable poised state by remodeling and repurposing complexes involved in active transcription.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Generation of inner ear hair cells by direct lineage conversion of primary somatic cells

    Louise Menendez et al.
    Direct reprogramming of somatic cells to an inner ear sensory hair cell-like state provides an experimental platform to identify causes and treatments for hair cell loss and hearing deficits.
    1. Structural Biology and Molecular Biophysics

    Architecture of the chromatin remodeler RSC and insights into its nucleosome engagement

    Avinash B Patel et al.
    The structure of the yeast RSC complex, a member of the SWI/SNF chromatin remodeling family, determined by cryo-electron microscopy, reveals a conserved structural core and the mode of nucleosome engagement.
    1. Cell Biology

    Cross-compartment signal propagation in the mitotic exit network

    Xiaoxue Zhou et al.
    The mitotic exit network signals from spindle pole bodies to the nucleolus through the dynamic localization of its terminal kinase complex Dbf2-Mob1.
    1. Biochemistry and Chemical Biology

    eIF1A residues implicated in cancer stabilize translation preinitiation complexes and favor suboptimal initiation sites in yeast

    Pilar Martin-Marcos et al.
    Substitutions in general translation initiation factor eIF1A found as recurring somatic mutations in uveal melanoma destabilize the closed conformation of the preinitiation complex at the start codon and increase discrimination against suboptimal initiation codons genome-wide.
    1. Developmental Biology

    Deficient spermiogenesis in mice lacking Rlim

    Feng Wang et al.
    Genetic analyses in mice identifies Rlim in the spermatogenic cell lineage as a regulator of cytoplasmic reduction during spermiogenesis.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Proteotoxicity from aberrant ribosome biogenesis compromises cell fitness

    Blake W Tye et al.
    Rapidly proliferating cells are at risk of compromised cell fitness due to proteostasis collapse from perturbations that interfere with ribosome biogenesis.

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