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    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Metabolism: Division of labor in bacteria

    Alma Dal Co et al.
    The emergence of subpopulations that perform distinct metabolic roles has been observed in populations of genetically identical bacteria.
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    1. Developmental Biology
    2. Immunology and Inflammation

    Chemokines: The cell sets the tone

    Jonna Alanko, Michael Sixt
    In zebrafish larvae, it is the cell type that determines how the cell responds to a chemokine signal.
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    1. Ecology

    Endosymbiosis: Gasping for air

    Steven G Ball, Ugo Cenci
    Transcriptomics is shedding new light on the relationship between photosynthetic algae and salamander eggs.
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    1. Cell Biology
    2. Microbiology and Infectious Disease

    Point of View: Is cell size a spandrel?

    Ariel Amir
    Analysis of experiments on bacteria suggests that the dependence of cell size on growth rate is not an adaptation but a causal consequence of a regulatory mechanism that controls DNA replication.
    1. Cell Biology
    2. Developmental Biology

    Genetic Screen: Hearing lessons from flies

    Yi-Nan Lee, Cheng-Ting Chien
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    1. Computational and Systems Biology
    2. Evolutionary Biology

    Adaptive Evolution: At the mercy of viruses

    Claus O Wilke, Sara L Sawyer
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    1. Developmental Biology
    Ciona intestinalis illustration

    The Natural History of Model Organisms: An organismal perspective on C. intestinalis development, origins and diversification

    Matthew J Kourakis, William C Smith
    The life cycle and morphology of the sea squirt Ciona intestinalis shed light on vertebrate evolution.
    1. Ecology
    2. Plant Biology
    Arabidopsis illustration

    The Natural History of Model Organisms: Planting molecular functions in an ecological context with Arabidopsis thaliana

    Ute Krämer
    Research in molecular ecology and evolution is increasingly utilizing the model plant Arabidopsis thaliana, placing a spotlight on its natural history.