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Showing 1–12 of 12 results
Advanced filters: Author: Charlie K. Cornwallis Clear advanced filters

  • Living in a harsh environment is linked to breeding in cooperative groups, but which is cause and which is effect? Here, a bird phylogeny is used to show that, contrary to previous assumption, cooperative breeders are more likely to colonize harsh environments.

    • Charlie K. Cornwallis
    • Carlos A. Botero
    • Ashleigh S. Griffin
    Research
    Nature Ecology & Evolution
    Volume: 1, P: 1-10

  • Analysing data on group size and breeding systems of >4,700 species of birds, the authors show that complex sociality is more likely to arise in cooperative family groups than groups with unrelated individuals.

    • Philip A. Downing
    • Ashleigh S. Griffin
    • Charlie K. Cornwallis
    Research
    Nature Ecology & Evolution
    Volume: 4, P: 479-486

  • Insects rely on symbiotic microbes for nutrition and defence. Analysing a large dataset of microbe–insect symbioses, the authors show that symbiosis evolved in response to nutrient deficiencies but its impacts on insect diversification depend on their feeding niche.

    • Charlie K. Cornwallis
    • Anouk van ’t Padje
    • Lee M. Henry
    ResearchOpen Access
    Nature Ecology & Evolution
    Volume: 7, P: 1022-1044

  • This study shows that environmental conditions promote multicellular group formation in green algae and that retention of daughter cells reliant on nitrogen availability promotes fitness in the lab and in natural lake systems in Sweden.

    • Charlie K. Cornwallis
    • Maria Svensson-Coelho
    • Karin Rengefors
    ResearchOpen Access
    Nature Ecology & Evolution
    Volume: 7, P: 889-902

  • Machine-learning algorithms trained on 25,000 geolocated soil samples are used to create high-resolution global maps of mycorrhizal fungi, revealing that less than 10% of their biodiversity hotspots are in protected areas.

    • Michael E. Van Nuland
    • Colin Averill
    • Johan van den Hoogen
    ResearchOpen Access
    Nature
    Volume: 645, P: 414-422

  • Climate change may pose a challenge not only for survival of animals but also for their reproduction. Here, Schou et al. analyse how male and female ostrich fertility relates to fluctuating temperature across 20 years, finding reduced fertility away from the thermal optimum, but also individual variation in thermal tolerance.

    • Mads F. Schou
    • Maud Bonato
    • Charlie K. Cornwallis
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Hosts vary in how dependent they are on their beneficial symbionts. Here, Fisher and colleagues analyse the results of symbiont-removal experiments from 106 symbioses in a phylogenetic context and show that host dependence is associated with symbiont transmission mode, function, and genome size.

    • Roberta M. Fisher
    • Lee M. Henry
    • Stuart A. West
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-8

  • A phylogenetic analysis of breeding behaviour in birds shows that cooperation is more likely when promiscuity is low — a circumstance in which helpers can be more certain that they are offering aid to relatives. Intermediate levels of promiscuity favour the ability to distinguish relatives from non-relatives. At high levels of promiscuity, no form of cooperation is favoured. Levels of promiscuity therefore provide an explanation for differences between species in levels of cooperation.

    • Charlie K. Cornwallis
    • Stuart A. West
    • Ashleigh S. Griffin
    Research
    Nature
    Volume: 466, P: 969-972

  • A reconstruction of the colonization history of 1,311 Afro-Palaearctic songbird species, combined with comparisons of MHC-I genetic diversity, suggests that changes in pathogen pressure during colonization and migration have shaped immunity.

    • Emily A. O’Connor
    • Charlie K. Cornwallis
    • Helena Westerdahl
    Research
    Nature Ecology & Evolution
    Volume: 2, P: 841-849