NDLI: Emerging investigators series: microbial communities in full-scale drinking water distribution systems

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Environmental Science: Water Research & Technology Vol - 2 Issue - 3

Environmental Science: Water Research & Technology Vol - 2 Issue - 2

Environmental Science: Water Research & Technology Vol - 2 Issue - 1

Environmental Science: Water Research & Technology Vol -1

Emerging investigators series: microbial communities in full-scale drinking water distribution systems – a meta-analysis

Content Provider	Royal Society of Chemistry (RSC)
Author	Schroeder, Joanna L. Ijaz, Umer Z. Sungthong, Rungroch Sevillano-Rivera, Maria C. Pinto, Ameet J. Santos, Quyen M. Bautista-de los Sloan, William T.
Copyright Year	2016
Abstract	In this study, we co-analyze all available 16S rRNA gene sequencing studies from bulk drinking water samples in full-scale drinking water distribution systems. Consistent with expectations, we find that Proteobacteria, particularly Alpha- and Betaproteobacteria, dominate drinking water bacterial communities irrespective of origin of study and presence/absence of or disinfectant residual type. Microbial communities in disinfectant residual free systems are more diverse than in those that maintain a disinfectant residual. Further, we find positive associations between mean relative abundance and occurrence of bacteria within a disinfectant category group. The relative abundance and occurrence of key bacterial genera (e.g. Legionella, Mycobacterium, Pseudomonas) is influenced by the presence/absence of a disinfectant residual and the type of disinfectant residual used. Similarly, we find widespread distribution of bacterial genera that are of interest from both an ecological and process perspectives (e.g. nitrification, predation). By estimating the contribution of potential contaminating genera to published drinking water datasets, we recommend that routine sequencing of negative controls be included in drinking water studies. Finally, we test the utility of predicting the metabolic potential of drinking water communities using 16S rRNA gene data and recommend against this practice. Though data heterogeneity across available datasets is a major confounding factor in our meta-analysis, we recommend that efforts to standardize sample processing protocols to address it may not be optimal for the drinking water microbial ecology field at this juncture. Rather, we recommend standardizing data and meta-data reporting, starting with making all sequencing data publicly available, and sample sharing as means of supporting future efforts for comparative analyses across drinking water systems/studies.
Starting Page	631
Ending Page	644
Page Count	14
File Format	HTM / HTML PDF
ISSN	20531400
Volume Number	2
Issue Number	4
Journal	Environmental Science: Water Research & Technology
DOI	10.1039/c6ew00030d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Subscribed
Subject Keyword	Pseudomonas Proteobacteria Betaproteobacteria Mycobacterium 16S ribosomal RNA Gene Disinfectant Bacteria Legionella Nitrification Meta-analysis Microbial ecology
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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Legionella: A Promising Supplementary Indicator of Microbial Drinking Water Quality in Municipal Engineered Water Systems

Analysis of the bacterial communities associated with different drinking water treatment processes.

Drivers of bacterial β-diversity depend on spatial scale

Impact of Pipe Material and Temperature on Drinking Water Microbiome and Prevalence of Legionella, Mycobacterium, and Pseudomonas Species.

Molecular Approaches to Studying Microbial Communities: Targeting the 16S Ribosomal RNA Gene.

Resilience of microbial communities in a simulated drinking water distribution system subjected to disturbances: role of conditionally rare taxa and potential implications for antibiotic-resistant bacteria

Legionella and non-Legionella bacteria in a biological treatment plant.

Comparison of nutrient-removing microbial communities in activated sludge from full-scale MBRs and conventional plants.

Diversity of bacteria and mycobacteria in biofilms of two urban drinking water distribution systems.

Emerging investigators series: microbial communities in full-scale drinking water distribution systems – a meta-analysis

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Legionella: A Promising Supplementary Indicator of Microbial Drinking Water Quality in Municipal Engineered Water Systems

Analysis of the bacterial communities associated with different drinking water treatment processes.

Drivers of bacterial β-diversity depend on spatial scale

Impact of Pipe Material and Temperature on Drinking Water Microbiome and Prevalence of Legionella, Mycobacterium, and Pseudomonas Species.

Molecular Approaches to Studying Microbial Communities: Targeting the 16S Ribosomal RNA Gene.

Resilience of microbial communities in a simulated drinking water distribution system subjected to disturbances: role of conditionally rare taxa and potential implications for antibiotic-resistant bacteria

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Comparison of nutrient-removing microbial communities in activated sludge from full-scale MBRs and conventional plants.

Diversity of bacteria and mycobacteria in biofilms of two urban drinking water distribution systems.

Emerging investigators series: microbial communities in full-scale drinking water distribution systems – a meta-analysis