ArticlePloS one2023
Quantitative detection and reduction of potentially pathogenic bacterial groups of Aeromonas, Arcobacter, Klebsiella pneumoniae species complex, and Mycobacterium in wastewater treatment facilities.
Article in PloS one, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 20 citations in OpenAlex.
- Simple endpoint PCR assay using portable devices for Escherichia coli quantification in water samples.Environmental monitoring and assessment · 2026Article
- Viral Contaminants in a Philippine Wastewater Treatment Plant: Quantification and Treatment Reduction.Food and environmental virology · 2026Article
- CharacterizingAntibiotics (Basel, Switzerland) · 2026Article
- Decoding mycobacterial ecology in Sub-Saharan African wastewater: metagenomic and metatranscriptomic insights for tuberculosis surveillance.Journal of water and health · 2026Article
- Novel molecular assessment method using precursor ribosomal RNA to rapidly quantify hard-to-monitor pathogens in aqueous suspensions: application to ultraviolet disinfection ofJournal of water and health · 2025Article
- Wastewater Surveillance for Group APathogens (Basel, Switzerland) · 2025Article
- Article
- Riverine antibiotic resistome along an anthropogenic gradient.Frontiers in microbiology · 2025Article
- Depuration ofPathogens (Basel, Switzerland) · 2024Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Water quality parameters influence the abundance of pathogenic bacteria. The genera Aeromonas, Arcobacter, Klebsiella, and Mycobacterium are among the representative pathogenic bacteria identified in wastewater. However, information on the correlations between water quality and the abundance of these bacteria, as well as their reduction rate in existing wastewater treatment facilities (WTFs), is lacking. Hence, this study aimed to determine the abundance and reduction rates of these bacterial groups in WTFs. Sixty-eight samples (34 influent and 34 non-disinfected, treated, effluent samples) were collected from nine WTFs in Japan and Thailand. 16S rRNA gene amplicon sequencing analysis revealed the presence of Aeromonas, Arcobacter, and Mycobacterium in all influent wastewater and treated effluent samples. Quantitative real-time polymerase chain reaction (qPCR) was used to quantify the abundance of Aeromonas, Arcobacter, Klebsiella pneumoniae species complex (KpSC), and Mycobacterium. The geometric mean abundances of Aeromonas, Arcobacter, KpSC, and Mycobacterium in the influent wastewater were 1.2 × 104-2.4 × 105, 1.0 × 105-4.5 × 106, 3.6 × 102-4.3 × 104, and 6.9 × 103-5.5 × 104 cells mL-1, respectively, and their average log reduction values were 0.77-2.57, 1.00-3.06, 1.35-3.11, and -0.67-1.57, respectively. Spearman's rank correlation coefficients indicated significant positive or negative correlations between the abundances of the potentially pathogenic bacterial groups and Escherichia coli as well as water quality parameters, namely, chemical/biochemical oxygen demand, total nitrogen, nitrate-nitrogen, nitrite-nitrogen, ammonium-nitrogen, suspended solids, volatile suspended solids, and oxidation-reduction potential. This study provides valuable information on the development and appropriate management of WTFs to produce safe, hygienic water.
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