Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Badura, A; Luxner, J; Feierl, G; Reinthaler, FF; Zarfel, G; Galler, H; Pregartner, G; Riedl, R; Grisold, AJ.
Prevalence, antibiotic resistance patterns and molecular characterization of Escherichia coli from Austrian sandpits.
Environ Pollut. 2014; 194(8):24-30
Doi: 10.1016/j.envpol.2014.07.007
Web of Science
PubMed
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- Führende Autor*innen der Med Uni Graz
- Badura Alexandra
- Co-Autor*innen der Med Uni Graz
- Feierl Gebhard
- Galler Herbert
- Grisold Andrea
- Luxner Josefa
- Pregartner Gudrun
- Reinthaler Franz
- Riedl Regina
- Zarfel Gernot
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- Abstract:
- The aim was to determine the prevalence of E. coli and coliform bacteria in playground sand of all public children's sandpits in Graz (n = 45), Austria, and to assess the frequency of antimicrobial resistance in E. coli. Molecular characterization included the discrimination of O-serotypes and H-antigens and the determination of virulence and resistance genes, using a microarray technology. E. coli isolates were tested for susceptibility to a set of antibiotics by VITEK2 system and disk diffusion method. In total, 22 (49%) and 44 (98%) sandpits were positive for E. coli and coliform bacteria. Median concentrations of E. coli and coliform bacteria in the sand samples were: 2.6 × 10(4) CFU/100 g and 3.0 × 10(5) CFU/100 g. Resistance rates were: ampicillin, 12.5%; piperacillin, 10.4%; amoxicillin/clavulanic acid, 9.4%; cotrimoxazole, 6.3%; tetracycline, 6.3%; piperacillin/tazobactam, 5.2%. No ESBL- or carbapenemase-producing isolates were found. The most prevalent serogroups were O15, O6 and O4. Isolates harbored 0 up to 16 different virulence genes. Copyright © 2014 Elsevier Ltd. All rights reserved.
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- Drug Resistance, Bacterial - genetics
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- Escherichia coli
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- Microarray
- Austria