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    1. Chromosomes and Gene Expression

    Prevalent and dynamic binding of the cell cycle checkpoint kinase Rad53 to gene promoters

    Yi-Jun Sheu, Risa Karakida Kawaguchi ... Bruce Stillman
    The localization of Rad53 cell cycle checkpoint kinase to many gene promoters and the dynamic changes in response to replication stress suggests that the kinase may coordinate genome stability and gene expression.
    1. Microbiology and Infectious Disease

    Host and viral determinants of airborne transmission of SARS-CoV-2 in the Syrian hamster

    Julia R Port, Dylan H Morris ... Vincent J Munster
    An experimental animal model provides further insights into the host and viral mechanisms underlying airborne transmission of SARS-CoV-2.
    1. Computational and Systems Biology
    2. Neuroscience

    Temporal derivative computation in the dorsal raphe network revealed by an experimentally driven augmented integrate-and-fire modeling framework

    Emerson F Harkin, Michael B Lynn ... Jean-Claude Béïque
    A new type of biologically constrained spiking neural network model applied to the dorsal raphe nucleus shows that the output of the serotonin system reflects not just its raw input, but mainly how quickly its input changes over time.
    1. Immunology and Inflammation

    Tight nuclear tethering of cGAS is essential for preventing autoreactivity

    Hannah E Volkman, Stephanie Cambier ... Daniel B Stetson
    Tight nuclear tethering of the cGAS DNA sensor maintains it in its resting state and prevents activation by self-DNA.
    1. Chromosomes and Gene Expression

    Oncogene expression from extrachromosomal DNA is driven by copy number amplification and does not require spatial clustering in glioblastoma stem cells

    Karin Purshouse, Elias T Friman ... Wendy A Bickmore
    In glioblastoma stem cells, oncogenes on extrachromosomal DNA do not cluster at distances in keeping with coordinated transcription, with amplified gene expression driven by copy number rather increased transcriptional efficiency.
    1. Cell Biology

    Rapid genome editing by CRISPR-Cas9-POLD3 fusion

    Ganna Reint, Zhuokun Li ... Emma Haapaniemi
    Novel Cas9 fusion with DNA polymerase delta subunit 3 (POLD3), identified via high-throughput screening of more than 450 DNA repair proteins, enhances editing by speeding up the initiation of DNA repair.
    1. Cell Biology

    Brain-specific Drp1 regulates postsynaptic endocytosis and dendrite formation independently of mitochondrial division

    Kie Itoh, Daisuke Murata ... Hiromi Sesaki
    Genetic and cell biological analyses reveal a new role of Drp1 in postsynaptic endocytosis during brain development beyond mitochondrial division GTPase.
    1. Cell Biology
    2. Developmental Biology

    Reciprocal discoidin domain receptor signaling strengthens integrin adhesion to connect adjacent tissues

    Kieop Park, Ranjay Jayadev ... David R Sherwood
    Type IV collagen plays a dual role in both structurally fastening tissues and signaling through the discoidin domain receptor 2 to synchronize an integrin adhesion that stabilizes tissue linkage.
    1. Neuroscience

    Localized inhibition in the Drosophila mushroom body

    Hoger Amin, Anthi A Apostolopoulou ... Andrew C Lin
    A large interneuron in the Drosophila mushroom body has compartmentalized activity, which causes localized inhibition and predicts that Kenyon cells inhibit themselves more than they inhibit other individual Kenyon cells.
    1. Cell Biology

    An extracellular vesicle targeting ligand that binds to Arc proteins and facilitates Arc transport in vivo

    Peter H Lee, Michael Anaya ... Kai Zinn
    The cell-surface protein Stranded at second is a targeting ligand for extracellular vesicles that can deliver dArc1 capsids containing dArc1 mRNA to distant cells in vivo.