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Direct Agroinoculation of Maize Seedlings by Injection with Recombinant Foxtail Mosaic Virus and Sugarcane Mosaic Virus Infectious Clones
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Coevolution Creates Complex Mosaics across Large Landscapes.

Lucas D Fernandes, Paula Lemos-Costa, Paulo R Guimarães

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    This summary is machine-generated.

    Geographic mosaics of coevolution can create large clusters of similar phenotypes. Gene flow influences these clusters, and habitat fragmentation may alter coevolutionary outcomes.

    Keywords:
    antagonismsgeographic mosaic of coevolutionmutualismsphenotypic patternsselection patternsspecies interactions

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    Area of Science:

    • Evolutionary biology
    • Ecology
    • Population genetics

    Background:

    • Spatial distribution of populations influences species interactions and evolutionary trajectories.
    • Geographic selection mosaics, shaped by varying selection across communities, drive coevolution.
    • Understanding coevolution in large, interconnected landscapes with diverse ecological outcomes is crucial.

    Purpose of the Study:

    • To explore how coevolution proceeds in a network of connected populations with varying ecological outcomes.
    • To investigate the role of the geographic mosaic of coevolution in shaping phenotypic patterns.
    • To determine how gene flow and spatial selection influence coevolutionary dynamics.

    Main Methods:

    • Utilized a lattice model to simulate coevolutionary processes across connected populations.
    • Analyzed the interplay between spatial selection, gene flow, and phenotypic variation.
    • Examined the formation and dynamics of phenotypic clusters within the simulated landscape.

    Main Results:

    • Complex interactions within the geographic mosaic of coevolution lead to the formation of unexpectedly large phenotypic clusters.
    • Neither spatial phenotype distribution nor selection gradients alone determine coevolutionary dynamics.
    • The geographic mosaic influences phenotypic clustering, which in turn impacts spatial and temporal coevolutionary dynamics.

    Conclusions:

    • Phenotypic cluster formation is dependent on gene flow.
    • Habitat fragmentation is predicted to alter coevolutionary outcomes by affecting the coupling of spatial selection and phenotypes.
    • The geographic mosaic of coevolution is a key factor in structuring large-scale evolutionary patterns.