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    1. Microbiology and Infectious Disease

    Structural basis for effector transmembrane domain recognition by type VI secretion system chaperones

    Shehryar Ahmad, Kara K Tsang ... John C Whitney
    A widespread family of chaperones functions to stabilize membrane protein effectors by mimicking transmembrane helical environments and promotes effector export by the bacterial type VI secretion system.
    1. Immunology and Inflammation

    Widespread discrepancy in Nnt genotypes and genetic backgrounds complicates granzyme A and other knockout mouse studies

    Daniel J Rawle, Thuy T Le ... Andreas Suhrbier
    Granzyme A-/- mice, which have contributed to a body of research into this enzyme, emerge to have a mixed C57BL/6J-C57BL/6N genetic background, compromising our understanding of granzyme A and highlighting a widespread problem for knockout mouse studies generally.
    1. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Development of antibacterial compounds that constrain evolutionary pathways to resistance

    Yanmin Zhang, Sourav Chowdhury ... Eugene Shakhnovich
    Integrated multi-scale, multi-tool approach to design novel 'evolution drugs' which can delay the emergence of antibiotic resistance by constraining bacterial evolutionary escape strategies.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Toxoplasma bradyzoites exhibit physiological plasticity of calcium and energy stores controlling motility and egress

    Yong Fu, Kevin M Brown ... L David Sibley
    Live-cell imaging and biochemical studies reveal that bradyzoites exhibit reduced Ca2+ stores, dampened calcium responses, and reduced energy levels consistent with their quiescent sate, but that they rapidly respond to environmental conditions to emerge from dormancy.
    1. Plant Biology

    A multifaceted analysis reveals two distinct phases of chloroplast biogenesis during de-etiolation in Arabidopsis

    Rosa Pipitone, Simona Eicke ... Emilie Demarsy
    Serial-Block-Face Scanning Electron Microscopy (SBF-SEM) associated with biomolecular analysis show that chloroplast differentiation proceeds by distinct ‘structure establishment’ and ‘chloroplast proliferation’ phases, each with differential protein and lipid regulation.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    The Drosophila HNF4 nuclear receptor promotes glucose-stimulated insulin secretion and mitochondrial function in adults

    William E Barry, Carl S Thummel
    Drosophila HNF4 directs a developmental switch at the onset of adulthood that suppresses diabetes by promoting mitochondrial function and supporting glucose-stimulated insulin secretion.
    1. Neuroscience

    Transient oxytocin signaling primes the development and function of excitatory hippocampal neurons

    Silvia Ripamonti, Mateusz C Ambrozkiewicz ... JeongSeop Rhee
    Perturbation of oxytocin signaling causes alterations that may be causally involved in the etiology of oxytocin-related neurobehavioral disorders.
    1. Cell Biology
    2. Computational and Systems Biology

    On the flexibility of the cellular amination network in E coli

    Helena Schulz-Mirbach, Alexandra Müller ... Steffen N Lindner
    The amination network for the distribution of assimilated ammonium throughout metabolism is defined by promiscuous transaminases, allowing a high flexibility of the network that supported engineering novel connections and even alternative ammonium assimilation entry points.
    1. Genetics and Genomics

    The multi-tissue landscape of somatic mtDNA mutations indicates tissue-specific accumulation and removal in aging

    Monica Sanchez-Contreras, Mariya T Sweetwyne ... Scott R Kennedy
    The accumulation of somatic mutations during aging is not uniform across tissue types and, in addition, shows significant variability in the source of mutation that can be modified by small molecule interventions.
    1. Cell Biology
    2. Computational and Systems Biology

    A regulatory microRNA network controls endothelial cell phenotypic switch during sprouting angiogenesis

    Stefania Rosano, Davide Corà ... Alessio Noghero
    Coordinated microRNAs activity induced by VEGF represses cell proliferation and favors cell migration at the onset of sprouting angiogenesis in endothelial cells.