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240821s2024 xx |||||o 00| ||eng c |
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|a 10.1002/wer.11104
|2 doi
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|a pubmed24n1508.xml
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|a DE-627
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|a eng
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|a Cailleau, Guillaume
|e verfasserin
|4 aut
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| 245 |
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|a Temporal and spatial changes in the abundance of antibiotic resistance gene markers in a wastewater treatment plant
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 20.08.2024
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|a Date Revised 20.08.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2024 The Author(s). Water Environment Research published by Wiley Periodicals LLC on behalf of Water Environment Federation.
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|a In this study, we investigated the temporal and spatial quantitative changes in the concentration of antibiotic resistance gene (ARG) markers in a municipal wastewater treatment plant (WWTP). Four ARGs conferring resistance to different classes of antibiotics (ermB, sul1, tet[W], and blaCTXM) and a gene used as a proxy for ARG pollution (intl1) were quantified in two separate sampling campaigns covering two and half years of operation of the WWTP. First, a systematic monthly monitoring of multiple points in the inlet and the outlet revealed an absolute decrease in the concentration of all analyzed ARGs. However, the relative abundance of sul1 and intl1 genes relative to the total bacterial load (estimated using the universal marker 16S rDNA) increased in the outlet samples as compared to the inlet. To pinpoint the exact stage of removal and/or enrichment within the WWTP, a second sampling including the stages of the biological treatment was performed bimonthly. This revealed a distinct enrichment of sul1 and intl1 genes during the biological treatment phase. Moreover, the temporal and spatial variations in ARG abundance patterns within the WWTP underscored the complexity of the dynamics associated with the removal of ARGs during wastewater treatment. Understanding these dynamics is pivotal for developing efficient strategies to mitigate the dissemination of ARGs in aquatic environments. PRACTITIONER POINTS: Regular monitoring of ARG markers in WWTPs is essential to assess temporal and spatial changes, aiding in the development of effective mitigation strategies. Understanding the dynamics of ARG abundance during biological treatment is crucial for optimizing processes and minimizing dissemination in aquatic environments. Increased relative abundance of certain ARGs highlights potential enrichment during wastewater treatment, necessitating targeted interventions. Systematic monitoring of multiple points within WWTPs can provide valuable insights into the efficacy of treatment processes in reducing ARG levels over time. The complexity of ARG abundance patterns underscores the need to develop holistic approaches to tackle antibiotic resistance in wastewater systems
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|a Journal Article
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|a blaCTXM
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|a ermB
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|a intl1
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|a sul1
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|a tet(W)
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|a Wastewater
|2 NLM
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| 650 |
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|a Anti-Bacterial Agents
|2 NLM
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| 700 |
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|a Junier, Thomas
|e verfasserin
|4 aut
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| 700 |
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|a Paul, Christophe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fatton, Mathilda
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Corona-Ramirez, Andrea
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gning, Ophelie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Beck, Karin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vidal, Jacques
|e verfasserin
|4 aut
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| 700 |
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|a Bürgmann, Helmut
|e verfasserin
|4 aut
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| 700 |
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|a Junier, Pilar
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 96(2024), 8 vom: 20. Aug., Seite e11104
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
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|g volume:96
|g year:2024
|g number:8
|g day:20
|g month:08
|g pages:e11104
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|u http://dx.doi.org/10.1002/wer.11104
|3 Volltext
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