310 results found
    1. Evolutionary Biology

    Evolution of diversity in metabolic strategies

    Rodrigo Caetano et al.
    Analytical and numerical analyses reveal that the number of coexisting species exceeds the number of resource only for the structurally unstable case of linear tradeoff.
    1. Ecology
    2. Evolutionary Biology

    Point of View: Towards a mechanistic foundation of evolutionary theory

    Michael Doebeli et al.
    A description of evolution that is based on birth-death processes, and in which fitness is at most a derived quantity, is advocated.
    1. Genetics and Genomics
    2. Neuroscience

    Co-expression of xenopsin and rhabdomeric opsin in photoreceptors bearing microvilli and cilia

    Oliver Vöcking et al.
    The recently characterized opsin group of xenopsins is likely a major player in animal eye evolution and may have been present in an ancient, highly plastic eye photoreceptor cell type.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Correlated evolution between repertoire size and song plasticity predicts that sexual selection on song promotes open-ended learning

    Cristina M Robinson et al.
    A longer birdsong-learning window evolves in response to sexual selection for song complexity and is associated with faster evolution of song performance characteristics.
    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. Evolutionary Biology
    2. Genetics and Genomics

    The genetic factors of bilaterian evolution

    Peter Heger et al.
    Advanced orthology clustering of bilaterian and non-bilaterian sequences identifies 157 bilaterian-specific genes which are linked to key morphological features of this animal group.
    1. Cell Biology
    2. Evolutionary Biology

    Phylogenomic analysis supports the ancestral presence of LPS-outer membranes in the Firmicutes

    Luisa CS Antunes et al.
    Phylogenomics provides support for the Gram-positive type of bacterial cell envelope being a derived character that arose independently multiple times through loss of an ancestral outer membrane.
    1. Computational and Systems Biology
    2. Ecology

    Trade-off shapes diversity in eco-evolutionary dynamics

    Farnoush Farahpour et al.
    In a minimalistic, generic model of competitive communities in which evolution is constrained by life-history trade-offs, stable biodiversity emerges with species adapted to different functional niches.
    1. Cell Biology
    2. Neuroscience

    Functional interdependence of the actin nucleator Cobl and Cobl-like in dendritic arbor development

    Maryam Izadi et al.
    Extended biochemical and functional analyses in primary neurons show that early neuronal morphogenesis critically relies on cooperation of the actin nucleator Cobl and its ancestor Cobl-like and uncover their cooperative mechanisms at dendritic branch initiation sites.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Apicomplexan-like parasites are polyphyletic and widely but selectively dependent on cryptic plastid organelles

    Jan Janouškovec et al.
    Apicomplexan-like parasites originated several times independently and many of them contain cryptic plastid organelles, which demonstrate that the parasites evolved from photosynthetic algae.

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