1,849 results found
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Mitotic fidelity requires transgenerational action of a testis-restricted HP1

    Mia T Levine, Helen M Vander Wende, Harmit S Malik
    Analysis of a spermiogenesis protein reveals a new chromatin requirement for synchrony between maternal DNA packaged in the egg and sperm-packaged paternal DNA in the first embryonic mitosis in Drosophila melanogaster.
    1. Evolutionary Biology

    Adaptive evolution of an essential telomere protein restricts telomeric retrotransposons

    Bastien Saint-Leandre, Courtney Christopher, Mia T Levine
    Evolution strictly preserves telomere stability but rapidly diversifies telomere length regulation in Drosophila.
    1. Computational and Systems Biology
    2. Genetics and Genomics

    A rat epigenetic clock recapitulates phenotypic aging and co-localizes with heterochromatin

    Morgan Levine, Ross A McDevitt ... Luigi Ferrucci
    The first epigenetic clock for rats was developed and revealed to reflect phenotypic aging and captured the effects of longevity interventions.
    1. Developmental Biology
    2. Genetics and Genomics

    Lhx2 is a progenitor-intrinsic modulator of Sonic Hedgehog signaling during early retinal neurogenesis

    Xiaodong Li, Patrick J Gordon ... Edward M Levine
    The LIM-homedomain transcription factor Lhx2 confers competence to retinal progenitor cells to activate and maintain Sonic Hedgeghog signaling at physiological levels during a key phase of tissue growth and cell type generation.
    1. Chromosomes and Gene Expression

    Chromosome structure in Drosophila is determined by boundary pairing not loop extrusion

    Xinyang Bing, Wenfan Ke ... James B Jaynes
    Boundary:boundary pairing interactions drive TAD formation in Drosophila.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Probing the ionotropic activity of glutamate GluD2 receptor in HEK cells with genetically-engineered photopharmacology

    Damien Lemoine, Sarah Mondoloni ... Alexandre Mourot
    A photoswitchable pore blocker was covalently attached to a cysteine-substituted glutamate delta 2 receptor, to provide optical control of its ion channel function.
    1. Structural Biology and Molecular Biophysics

    Interplay between VSD, pore, and membrane lipids in electromechanical coupling in HCN channels

    Ahmad Elbahnsi, John Cowgill ... Lucie Delemotte
    The HCN1 channel gates thanks to a coupling mechanism involving the reorganization of the interfaces between the voltage-sensor domains and pore helices, subtly shifting the balance between hydrophobic and hydrophilic interactions in a 'domino effect'.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The stress-responsive kinases MAPKAPK2/MAPKAPK3 activate starvation-induced autophagy through Beclin 1 phosphorylation

    Yongjie Wei, Zhenyi An ... Beth Levine
    Nutrient starvation activates autophagy by a novel signaling mechanism that is blocked by one of the major autophagy inhibitors.
    1. Structural Biology and Molecular Biophysics

    Identification of electroporation sites in the complex lipid organization of the plasma membrane

    Lea Rems, Xinru Tang ... Lucie Delemotte
    Advanced data analysis of molecular dynamics simulations of complex lipid membranes provides a quantitative and predictive model of the molecular features that control electroporation.
    1. Cancer Biology
    2. Immunology and Inflammation

    Optimal cancer evasion in a dynamic immune microenvironment generates diverse post-escape tumor antigenicity profiles

    Jason T George, Herbert Levine
    Theoretical modeling reveals how stochastic optimal cancer immune evasion via antigen downregulation gives rise to diverse post-escape cancer antigenic profiles in a manner dependent on the immune microenvironment.

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