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    1. Evolutionary Biology

    Phenotypic plasticity as a mechanism of cave colonization and adaptation

    Helena Bilandžija et al.
    Astyanax mexicanus surface-dwelling fish exposed to complete darkness develop many traits resembling cavefish adaptations by phenotypic plasticity in a single generation.
    1. Evolutionary Biology

    Resurrection of a global, metagenomically defined gokushovirus

    Paul C Kirchberger, Howard Ochman
    Isolation of a gokushovirus capable of lysogenizing enterobacteria challenges previous notions about the biology of the most prolific phages within the Microviridae and facilitates experimental study in a model organism.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Tuning site-specific dynamics to drive allosteric activation in a pneumococcal zinc uptake regulator

    Daiana A Capdevila et al.
    Internal dynamics play a crucial functional role in MarR (multiple antibiotic resistance repressor) proteins and their role reconciles the distinct allosteric mechanisms proposed previously.
    1. Developmental Biology
    2. Genetics and Genomics

    celsr1a is essential for tissue homeostasis and onset of aging phenotypes in the zebrafish

    Chunmei Li et al.
    The use of forward genetic screens in zebrafish identifies a new model of vertebrate aging, defining the regulating of the onset of aging phenotypes through maintenance of progenitor cell populations.
    1. Microbiology and Infectious Disease

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

    Christopher N Vassallo et al.
    Serial cell-to-cell transfer of lipoprotein toxins by outer membrane exchange provides a potent platform for kin discrimination in Myxococcus xanthus.
    1. Cell Biology

    Dnmt3a is an epigenetic mediator of adipose insulin resistance

    Dongjoo You et al.
    Mouse and tissue culture studies reveal that adipose DNA methyltransferase 3a mediates insulin resistance, partially through repressing the expression of FGF21.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Host-selected mutations converging on a global regulator drive an adaptive leap towards symbiosis in bacteria

    M Sabrina Pankey et al.
    Selective forces imposed by the squid animal host drive rapid adaptation of non-native Vibrio fischeri bacteria through convergent mutations of large effect, unmasking preexisting coordinated regulation of symbiosis.
    1. Microbiology and Infectious Disease
    2. Plant Biology

    A complete toolset for the study of Ustilago bromivora and Brachypodium sp. as a fungal-temperate grass pathosystem

    Franziska Rabe et al.
    The establishment of Ustilago bromivora and Brachypodium as a biotrophic model system provides the foundation for studying new aspects of plant-pathogen interactions and for answering questions about fungal sex and speciation.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Insight into the evolution of microbial metabolism from the deep-branching bacterium, Thermovibrio ammonificans

    Donato Giovannelli et al.
    The genome of Thermovibrio ammonificans encodes ancestral pathways (e.g., hydrogen oxidation) and more recently acquired ones (e.g., nitrate reduction) and a hybrid pathway for CO2 fixation.
    1. Developmental Biology
    2. Evolutionary Biology

    The evolutionary origin of bilaterian smooth and striated myocytes

    Thibaut Brunet et al.
    Molecular profiling of annelid myocytes reveals that the last common protostome-deuterostome ancestor already possessed a dual musculature, with visceral smooth muscles ensuring digestion and somatic striated muscles ensuring locomotion.