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Antibiotic Resistance in Czech Urban Wastewater Treatment Plants: Microbial and Molecular Genetic Characterization
K. Svobodová, J. Semerád, D. Petráčková, Č. Novotný,
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články
NLK
ProQuest Central
od 2000-06-01 do 2018-12-31
Health & Medicine (ProQuest)
od 2000-06-01 do 2018-12-31
Public Health Database (ProQuest)
od 2000-06-01 do 2018-12-31
PubMed
29847746
DOI
10.1089/mdr.2017.0406
Knihovny.cz E-zdroje
- MeSH
- Bacteria účinky léků genetika MeSH
- bakteriální geny genetika MeSH
- monitorování životního prostředí metody MeSH
- odpadní voda mikrobiologie MeSH
- rezistence na tetracyklin genetika MeSH
- RNA ribozomální 16S genetika MeSH
- tetracyklin farmakologie MeSH
- Publikační typ
- časopisecké články MeSH
- Geografické názvy
- Česká republika MeSH
Quantitative changes in antibiotic resistance genes (ARGs) were investigated in six urban wastewater treatment plants (WWTPs) treating municipal and industrial wastewaters. In a selected WWTP, the fate of ARGs was studied in a 1-year time interval and in two phases of wastewater treatment process. Nine ARGs (tetW, tetO, tetA, tetB, tetM, blaTEM, ermB, sul1, and intl1) were quantified in total and their relative abundance assessed by ARG copies/16SrRNA copies. From the tetracycline resistance genes, tetW was the only one detected in all sampled WWTPs. Its relative abundance in the nitrification tank of WWTP5 was found stable during the 1-year period, but was lowered by secondary sedimentation processes in the wastewater treatment down to 24% compared to the nitrification tank. Bacterial isolates showing high tetracycline resistance (minimal inhibition concentrations >100 μg/mL) were identified as members of Acinetobacter, Klebsiella, Citrobacter, Bacillus, and Enterobacter genera. Dynamic shifts in the relative abundance of ermB and sul1 were also demonstrated in wastewater samples from WWTP5.
Citace poskytuje Crossref.org
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