Prevalence and Antimicrobial Resistance of Enterococcal Species in Sewage Treatment Plants in Iran

M Talebi; F Rahimi; Mohammad Katouli; I Kuhn; R Mollby; S Eshraghi; M R Pourshafie

doi:10.1007/s11270-007-9435-8

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Prevalence and Antimicrobial Resistance of Enterococcal Species in Sewage Treatment Plants in Iran

Journal article

Peer reviewed

Prevalence and Antimicrobial Resistance of Enterococcal Species in Sewage Treatment Plants in Iran

M Talebi, F Rahimi, Mohammad Katouli, I Kuhn, R Mollby, S Eshraghi and M R Pourshafie

Water, Air and Soil Pollution, Vol.185(1-4), pp.111-119

2007

DOI: https://doi.org/10.1007/s11270-007-9435-8

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Abstract

Enterococci

sewage treatment plants

biochemical fingerprinting

antibiotic resistance

population structure

We investigated for the first time the occurrence, stability and antibiotic resistance of 593 enterococci in six samples collected from three urban sewage treatment plants (STPs) located in the north, south and west part of Tehran, Iran between October 2004 and September of 2005. Isolates were typed with a biochemical fingerprinting method (the PhPlate system) and tested for their resistance to six antibiotics. The most prevalent species in all three STPs were E. faecium followed by E. hirae and E. faecalis accounting for 93% of the total isolates examined. In all, 317 (55%) isolates were susceptible to all six antibiotics tested and the remaining isolates were resistant to between 1 and 6 antibiotics. Biochemical fingerprinting with PhPlate system showed a high diversity for E. faecalis (D i = 0.95), E. hirae (D i = 0.93) and E. faecium (D i = 0.95) populations with an overall diversity of D i = 0.97 for the whole enterococcal populations found in all three STPs. Our data indicate a high degree of polyclonality among the enterococci populations of human origin. This study suggest that the municipal wastewaters might be an important source of dissemination of antibiotic-resistant enterococci in Iran.

Details

Title: Prevalence and Antimicrobial Resistance of Enterococcal Species in Sewage Treatment Plants in Iran
Authors: M Talebi (Author) - Pasteur Institute of Iran, Iran
F Rahimi (Author) - Pasteur Institute of Iran, Iran
Mohammad Katouli (Author) - University of the Sunshine Coast - Faculty of Science, Health and Education
I Kuhn (Author) - Karolinska Institute, Sweden
R Mollby (Author) - Karolinska Institute, Sweden
S Eshraghi (Author) - Tehran Medical Institute, Iran
M R Pourshafie (Author) - Pasteur Institute of Iran, Iran
Publication details: Water, Air and Soil Pollution, Vol.185(1-4), pp.111-119
Publisher: Springer Netherlands
Date published: 2007
DOI: 10.1007/s11270-007-9435-8
ISSN: 0049-6979
Organisation Unit: University of the Sunshine Coast, Queensland; School of Health and Sport Sciences - Legacy; School of Science, Technology and Engineering; Centre for Bioinnovation
Language: English
Record Identifier: 99449130902621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Environmental Sciences; Meteorology & Atmospheric Sciences; Water Resources

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