ArticleThe ISME journal2025
Lotka-Volterra dynamics facilitate sustainable biocontrol of wastewater sludge bulking.
Article in The ISME journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- A Pan-European Whole-Microbiome Study of Wastewater Influent: Prokaryotes, Protists, Fungi, and Metazoa.The Journal of eukaryotic microbiologyArticle
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Authors and funding
4 authors.
Funding
Abstract
Biological wastewater treatment is driven by complex interactions between prokaryotes and eukaryotes. Occasionally, filamentous bacteria species, first and foremost Ca. Microthrix parvicella, increase in abundance and lead to detrimental wastewater sludge bulking or floating, causing environmental harm and financial losses. Current mitigation strategies rely heavily on nonspecific chemical interventions, which present environmental risks and lack prolonged effectiveness. Here, we utilise long-term monitoring data from four German wastewater treatment plants to explore sustainable biocontrol alternatives. Our findings reveal Lotka-Volterra dynamics between Ca. Microthrix parvicella and the protist Arcella spp. Visual and experimental validation demonstrate the suppression of filamentous bacterial growth by predation. We further model these interactions, predicting the biocontrol potential of Arcella spp. for both immediate and sustained efficacy in managing sludge bulking. These results highlight the potential of protists as biological control agents, providing a more sustainable and environmentally friendly alternative to chemical treatment.
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