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Succession of bacte...
Succession of bacterial biofilm communities following removal of chloramine from a full-scale drinking water distribution system
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- Rosenqvist, Tage (author)
- Lund University,Lunds universitet,Teknisk mikrobiologi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Applied Microbiology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Sweden Water Research AB
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- Danielsson, Mikael (author)
- Lund University,Lunds universitet,Teknisk mikrobiologi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Applied Microbiology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Sweden Water Research AB
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- Schleich, Caroline (author)
- Vatten och Miljö i Väst AB (VIVAB)
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- Ahlinder, Jon (author)
- Swedish Defense Research Agency
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- Pullerits, Kristjan (author)
- Lund University,Lunds universitet,Teknisk mikrobiologi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Applied Microbiology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,Sweden Water Research AB
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- Dacklin, Ingrid (author)
- Swedish Defense Research Agency
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- Salomonsson, Emelie N. (author)
- Swedish Defense Research Agency
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- Sundell, David (author)
- Swedish Defense Research Agency
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- Forsman, Mats (author)
- Swedish Defense Research Agency
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- Keucken, Alexander (author)
- Lund University,Lunds universitet,Avdelningen för Teknisk vattenresurslära,Institutionen för bygg- och miljöteknologi,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Water Resources Engineering,Department of Building and Environmental Technology,Departments at LTH,Faculty of Engineering, LTH
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- Rådström, Peter (author)
- Lund University,Lunds universitet,Teknisk mikrobiologi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Applied Microbiology,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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- Paul, Catherine J. (author)
- Lund University,Lunds universitet,Avdelningen för Teknisk vattenresurslära,Institutionen för bygg- och miljöteknologi,Institutioner vid LTH,Lunds Tekniska Högskola,Teknisk mikrobiologi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Division of Water Resources Engineering,Department of Building and Environmental Technology,Departments at LTH,Faculty of Engineering, LTH,Applied Microbiology,Center for Applied Life Sciences,Department of Chemistry,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: npj Clean Water. - 2059-7037. ; 2023:6
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Abstract
Subject headings
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- Monochloramine is used to regulate microbial regrowth in drinking water distribution systems (DWDS) but produces carcinogenic disinfection byproducts and constitutes a source of energy for nitrifying bacteria. This study followed biofilm-dispersed microbial communities of a full-scale DWDS distributing ultrafiltered water over three years, before and after removal of monochloramine. Communities were described using flow cytometry and amplicon sequencing, including full-length 16S rRNA gene sequencing. Removal of monochloramine increased total cell counts by up to 440%. Increased abundance of heterotrophic bacteria was followed by emergence of the predatory bacteria Bdellovibrio, and a community potentially metabolizing small organic compounds replaced the nitrifying core community. No increased abundance of Mycobacterium or Legionella was observed. Co-occurrence analysis identified a network of Nitrosomonas, Nitrospira, Sphingomonas and Hyphomicrobium, suggesting that monochloramine supported this biofilm community. While some species expanded into the changed niche, no immediate biological risk to consumers was indicated within the DWDS.
Subject headings
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Rosenqvist, Tage
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Danielsson, Mika ...
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Schleich, Caroli ...
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Ahlinder, Jon
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Pullerits, Krist ...
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Dacklin, Ingrid
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show more...
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Salomonsson, Eme ...
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Sundell, David
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Forsman, Mats
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Keucken, Alexand ...
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Rådström, Peter
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Paul, Catherine ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Microbiology
- Articles in the publication
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npj Clean Water
- By the university
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Lund University