ArticleApplied and environmental microbiology2024
Impact of operational conditions on drinking water biofilm dynamics and coliform invasion potential.
Article in Applied and environmental microbiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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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
7 citing papers in PubMed, 15 citations in OpenAlex.
- Laboratory and pilot-farm evaluation of cleaning and disinfection protocols for biofilms in livestock drinking water systems.Biofilm · 2026Article
- Mesolens imaging in microbiology.Essays in biochemistry · 2026Review
- Physicochemical and Antimicrobial Characterization of Nanobubbles Reveals Physical Disruption is the Primary Mode of Biofilm Inactivation.ACS ES&T water · 2026Article
- Hydrodynamics Shape Antibiotic Resistance in Wastewater-Impacted River Biofilms.Microbial ecology · 2026Article
- Impact of material properties for improved Pseudomonas aeruginosa biofilm inactivation with 280 nm UV LEDs.Scientific reports · 2025Article
- Impact of flushing procedures on drinking water biostability and invasion susceptibility in distribution systems.Applied and environmental microbiology · 2025Article
- Membrane filtration reduces nutrient availability and invasion potential in drinking water systems, without affecting mature biofilms.Frontiers in microbiology · 2025Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
Biofilms within drinking water distribution systems serve as a habitat for drinking water microorganisms. However, biofilms can negatively impact drinking water quality by causing water discoloration and deterioration and can be a reservoir for unwanted microorganisms. In this study, we investigated whether indicator organisms for drinking water quality, such as coliforms, can settle in mature drinking water biofilms. Therefore, a biofilm monitor consisting of glass rings was used to grow and sample drinking water biofilms. Two mature drinking water biofilms were characterized by flow cytometry, ATP measurements, confocal laser scanning microscopy, and 16S rRNA sequencing. Biofilms developed under treated chlorinated surface water supply exhibited lower cell densities in comparison with biofilms resulting from treated groundwater. Overall, the phenotypic as well as the genotypic characteristics were significantly different between both biofilms. In addition, the response of the biofilm microbiome and possible biofilm detachment after minor water quality changes were investigated. Limited changes in pH and free chlorine addition, to simulate operational changes that are relevant for practice, were evaluated. It was shown that both biofilms remained resilient. Finally, mature biofilms were prone to invasion of the coliform, IMPORTANCE: The revelation that even low concentrations of coliforms can infiltrate into mature drinking water biofilms highlights a potential public health concern. Nowadays, the measurement of coliform bacteria is used as an indicator for fecal contamination and to control the effectiveness of disinfection processes and the cleanliness and integrity of distribution systems. In Flanders (Belgium), 533 out of 18,840 measurements exceeded the established norm for the coliform indicator parameter in 2021; however, the source of microbial contamination is mostly unknown. Here, we showed that mature biofilms, are susceptible to invasion of
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