Dr Alice Risely A.Risely@salford.ac.uk
Research Fellow
Invited Research Highlight: Matthews, A. E., Trevelline, B. K., Wijeratne, A. J., & Boves, T. J. (2024). Picky eaters: Selective microbial diet of avian ectosymbionts. Journal of Animal Ecology. Trophic interactions such as herbivory and predation are crucial regulators of ecological communities, yet few examples exist for these processes within host‐associated microbiomes. In a recent study, Matthews et al. (2024) looked for evidence of selective microbial predation of bacteria and fungi by microscopic mites on the feathers of wild Prothonotary warblers (Protonotaria citrea). The authors quantified the bacterial and fungal diet of commensal feather mites and compared this with the composition of microbial communities living directly on the feather. They found that, despite a large variety of microbes to choose from, mites strongly preferred to eat a small number of bacterial and fungal genera. Some of these selectively enriched taxa are known keratin‐degraders, suggesting that mites may protect feathers by selectively consuming harmful microbes. This study presents a rare example of a trophic interaction within the microscopic ecosystem of the feather that may act as an important force shaping microbial communities in ways that benefit the host, providing an overlooked mechanism by which symbioses between birds and mites could evolve.
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 8, 2025 |
Online Publication Date | Feb 25, 2025 |
Publication Date | 2025-04 |
Deposit Date | Mar 20, 2025 |
Journal | Journal of Animal Ecology |
Print ISSN | 0021-8790 |
Electronic ISSN | 1365-2656 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 94 |
Issue | 4 |
Pages | 482-484 |
DOI | https://doi.org/10.1111/1365-2656.70021 |
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