ArticleProceedings of the National Academy of Sciences of the United States of America2024
Metabolites limiting predator growth wane with prey biodiversity.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- MAX3 deficiency recruits protective Pseudomonas via modulating the SL-ABA-flavonoid axis to suppress soil-borne pathogen infection.Nature communications · 2026Article
- Predator-driven microbial feedback loops promote plant health.Nature communications · 2026Article
- Pseudomonadota bridge cross-trophic interactions to suppress plant pathogens.The ISME journal · 2026Article
- Microbiome modulation for sustainable crop production and climate resilience.Sustainable microbiology · 2026Review
- Interactions with native microbial keystone taxa enhance the biocontrol efficiency of Streptomyces.Microbiome · 2025Article
- Metabolites limiting predator growth wane with prey biodiversity.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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Authors and funding
8 authors.
Funding
Abstract
Predator-prey interactions are a major driver of microbiome dynamics, but remain difficult to predict. While several prey traits potentially impact resistance to predation, their effects in a multispecies context remain unclear. Here, we leverage synthetic bacterial communities of varying complexity to identify traits driving palatability for nematodes, a main consumer of bacteria in soil. We assessed trophic interactions between four nematode species and 122 bacterial isolates, across a gradient of prey biodiversity ranging from single species to 50 species. Nematode size, a proxy for prey palatability, varied strongly with prey community composition and could be predicted by metabolic and morphological properties of the prey. However, the influence of prey traits on predators depended on biodiversity. Secondary metabolites drove palatability in monoculture, but this effect vanished under increasing prey biodiversity, where prey size became the dominant predictors of nematode size. Although idiosyncratic properties are often emphasized in the literatures, our results suggest that in biodiverse assemblages, the composition of available prey and their traits are more reliable predictors of predator-prey interactions. This study offers valuable insights into microbial ecology in the context of predator-prey interactions, as cryptic microbial responses can be guided by deductions based on generalizable biological traits.
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Registered trials
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