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    1. Developmental Biology
    2. Evolutionary Biology

    Complex transcriptional regulation and independent evolution of fungal-like traits in a relative of animals

    Alex de Mendoza et al.
    Functional genomics reveal complex genome regulation during the coenocytic development of the ichthyosporean Creolimax fragrantissima, a protist closely related to animals.
    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. Cell Biology
    2. Genetics and Genomics

    Selections that isolate recombinant mitochondrial genomes in animals

    Hansong Ma, Patrick H O'Farrell
    Recombinant mitochondrial genomes can be selected, traits can be genetically mapped and new genetic combinations can be made.
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    Genomic architecture and evolutionary antagonism drive allelic expression bias in the social supergene of red fire ants

    Carlos Martinez-Ruiz et al.
    Analyses of allelic- and socially-biased gene expression reveal that suppressed recombination causes most of the expression differences in the social supergene, with only few differences due to socially antagonistic selection.
    1. Microbiology and Infectious Disease

    Research Culture: Co-reviewing and ghostwriting by early-career researchers in the peer review of manuscripts

    Gary S McDowell et al.
    Early career researchers commonly peer review manuscripts on behalf of invited reviewers, often without receiving feedback or being named to the journal.
    1. Ecology
    2. Evolutionary Biology

    Signal categorization by foraging animals depends on ecological diversity

    David William Kikuchi et al.
    In richer, more even communities, foragers form broad categories among their food resources that can select for convergence among signals, including mimetic resemblances.
    1. Developmental Biology
    2. Evolutionary Biology

    Developmental variability channels mouse molar evolution

    Luke Hayden et al.
    The nature and extent of developmental variation seen between mouse strains and genetically identical individuals explain why the first upper molar evolves along preferred path in murine rodents.
    1. Evolutionary Biology

    Homo naledi and Pleistocene hominin evolution in subequatorial Africa

    Lee R Berger et al.
    A late Middle Pleistocene age for Homo naledi demonstrates a diversity of hominin species in Africa at this critical time in the archaeological record.
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    Cis-regulatory evolution integrated the Bric-à-brac transcription factors into a novel fruit fly gene regulatory network

    Maxwell J Roeske et al.
    The conserved biochemical activity of the duplicate Bab transcription factors were integrated into the regulatory hierarchy of an evolving gene regulatory network by binding site gains in a target gene's cis-regulatory region.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Functional role of the type 1 pilus rod structure in mediating host-pathogen interactions

    Caitlin N Spaulding et al.
    The helical rod structure and dynamic spring-like properties of the type 1 pilus are evolutionarily fine-tuned for functioning in host-pathogen interactions during urinary tract infection and gut colonization.