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    1. Cell Biology

    The homophilic receptor PTPRK selectively dephosphorylates multiple junctional regulators to promote cell–cell adhesion

    Gareth W Fearnley, Katherine A Young ... Hayley J Sharpe
    Systematic proteomic approaches identify several cell junction regulators as substrates for the homophilic receptor tyrosine phosphatase PTPRK and implicate its pseudophosphatase domain in substrate recognition.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Listeria monocytogenes cell-to-cell spread in epithelia is heterogeneous and dominated by rare pioneer bacteria

    Fabian E Ortega, Elena F Koslover, Julie A Theriot
    The pathogenic bacterium Listeria monocytogenes spreads infection using a two-tiered strategy, where most bacteria spread locally but a few 'pioneers' move further, increasing the likelihood of a persistent infection.
    1. Cancer Biology
    2. Cell Biology

    AMP-activated protein kinase fortifies epithelial tight junctions during energetic stress via its effector GIV/Girdin

    Nicolas Aznar, Arjun Patel ... Pradipta Ghosh
    An effector of AMPK is essential for the kinase and its pharmacological activators, including Metformin, to strengthen cell-cell junctions and preserve epithelial cell polarity and barrier functions in the face of energetic stress, as well as to suppress oncogenesis.
    1. Cell Biology

    Increasing β-catenin/Wnt3A activity levels drive mechanical strain-induced cell cycle progression through mitosis

    Blair W Benham-Pyle, Joo Yong Sim ... William James Nelson
    Mechanicals forces and local (Wnt) signaling can synergize to increase β-catenin signaling and produce unique growth phenotypes.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Small molecule inhibition of apicomplexan FtsH1 disrupts plastid biogenesis in human pathogens

    Katherine Amberg-Johnson, Sanjay B Hari ... Ellen Yeh
    An unbiased chemical screen identifies the AAA+ membrane metalloprotease FtsH1 as a novel apicoplast biogenesis factor and druggable antimalarial target.
    1. Computational and Systems Biology
    2. Physics of Living Systems

    Optogenetics enables real-time spatiotemporal control over spiral wave dynamics in an excitable cardiac system

    Rupamanjari Majumder, Iolanda Feola ... Daniel A Pijnappels
    Free optical steering of spiral waves by attraction-based dragging of their cores in optogenetically modified cardiac tissue.
    1. Cell Biology
    2. Developmental Biology

    Non-canonical Wnt signaling regulates junctional mechanocoupling during angiogenic collective cell migration

    Joana R Carvalho, Isabela C Fortunato ... Claudio A Franco
    Analysis of axial polarity distributions shows that Wnt5a regulates collective cell migration in vivo by stabilizing vinculin at adherens junctions and fine-tuning mechanocoupling between neighbouring cells.
    1. Physics of Living Systems
    2. Developmental Biology

    Unified quantitative characterization of epithelial tissue development

    Boris Guirao, Stéphane U Rigaud ... Yohanns Bellaïche
    A new approach measures the respective participations of elementary cell behaviors – such as cell division, intercalation, shape change and death – in the shaping of animal tissues.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Diminishing neuronal acidification by channelrhodopsins with low proton conduction

    Rebecca Frank Hayward, F Phil Brooks III ... Adam E Cohen
    Many channelrhodopsins acidify cells, but two new ones do not.
    1. Microbiology and Infectious Disease

    Profiling of myristoylation in Toxoplasma gondii reveals an N-myristoylated protein important for host cell penetration

    Malgorzata Broncel, Caia Dominicus ... Moritz Treeck
    Myristoylation of a secreted protein, identified in a global myristoylation analysis of the eukaryotic parasite Toxoplasma gondii, is important for host cell invasion.