2,689 results found
    1. Ecology

    Role of immigrant males and muzzle contacts in the uptake of a novel food by wild vervet monkeys

    Pooja Dongre, Gaëlle Lanté ... Erica van de Waal
    New immigrants triggered fast uptake of a novel food in groupmates, who obtained information about it through muzzle contacts, opening up new questions about the role of dispersers in information flow around a population.
    1. Chromosomes and Gene Expression

    Scc2 counteracts a Wapl-independent mechanism that releases cohesin from chromosomes during G1

    Madhusudhan Srinivasan, Naomi J Petela ... Kim A Nasmyth
    In G1 cells, Scc2 loads and maintains cohesin on chromosomes by counteracting a Wapl-independent releasing activity, which is neutralized in S phase by CDK1.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A composite double-/single-stranded RNA-binding region in protein Prp3 supports tri-snRNP stability and splicing

    Sunbin Liu, Sina Mozaffari-Jovin ... Markus C Wahl
    Structural and functional analyses show how the spliceosomal Prp3 protein concomitantly binds double- and single- stranded regions in U4/U6 di-snRNAs and serves to stabilize the U4/U6•U5 tri-snRNP for splicing.
    1. Microbiology and Infectious Disease

    Infectious polymorphic toxins delivered by outer membrane exchange discriminate kin in myxobacteria

    Christopher N Vassallo, Pengbo Cao ... Daniel Wall
    Serial cell-to-cell transfer of lipoprotein toxins by outer membrane exchange provides a potent platform for kin discrimination in Myxococcus xanthus.
    1. Microbiology and Infectious Disease

    Environmental pH signals the release of monosaccharides from cell wall in coral symbiotic alga

    Yuu Ishii, Hironori Ishii ... Shinichiro Maruyama
    Coral symbiotic alga is capable of degrading the own cell wall components by cellulase-related enzymes and releasing sugars as a simple and autonomous environmental response, even when the host-derived signals are not present.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Class-A penicillin binding proteins do not contribute to cell shape but repair cell-wall defects

    Antoine Vigouroux, Baptiste Cordier ... Sven van Teeffelen
    Class-A penicillin-binding proteins are dispensable for rod-like cell-shape but essential for mechanical integrity by sensing and repairing cell-wall defects locally, as investigated in the model system Escherichia coli.
    1. Biochemistry and Chemical Biology

    Membrane-partitioned cell wall synthesis in mycobacteria

    Alam García-Heredia, Takehiro Kado ... M Sloan Siegrist
    Mycobacteria employ plasma membrane compartments to organize their cell wall synthesis, and the finalized cell wall compartmentalizes the plasma membrane to promote an environment conducive to its own synthesis.
    1. Developmental Biology

    The flow responsive transcription factor Klf2 is required for myocardial wall integrity by modulating Fgf signaling

    Seyed Javad Rasouli, Mohamed El-Brolosy ... Didier Y Stainier
    Endocardial Klf2 regulates cardiomyocyte adhesion and myocardial wall integrity by modulating FGF signaling in zebrafish.
    1. Microbiology and Infectious Disease

    Distinct cytoskeletal proteins define zones of enhanced cell wall synthesis in Helicobacter pylori

    Jennifer A Taylor, Benjamin P Bratton ... Nina R Salama
    The helical bacterium Helicobacter pylori patterns cell wall synthesis using two distinct cytoskeletal proteins, CcmA and MreB, to achieve its characteristic shape.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    ESCO1 and CTCF enable formation of long chromatin loops by protecting cohesinSTAG1 from WAPL

    Gordana Wutz, Rene Ladurner ... Jan-Michael Peters
    CTCF protects cohesinSTAG1 from WAPL.

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