PREVALENCE AND ANTIBIOTIC RESISTANCE OF ENTEROCOCCI SPECIES ISOLATED FROM TWO SEWAGE TREATMENT PLANTS IN TEHRAN

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SEYFI MAHNAZ; RAHIMI FATEH; NAKHOST LOTFI M.; POURSHAFIEI M.R.; SOLTAN DALAL MOHAMMAD MAHDI

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Journal: IRANIAN JOURNAL OF BIOLOGY Year:2008 | Volume:21 | Issue:2 Page(s): 250-260

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Title

PREVALENCE AND ANTIBIOTIC RESISTANCE OF ENTEROCOCCI SPECIES ISOLATED FROM TWO SEWAGE TREATMENT PLANTS IN TEHRAN

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Keywords

SEWAGEQ2

ENTEROCOCCUSQ2

VANCOMYCINQ3

TEHRANQ2

Abstract

Enterococci are members of the normal gut flora of animals and humans and are released into the environment directly or via SEWAGE outlets. The aim of the study was to detect and analyze the biochemical diversity and antibiotic resistance of the enterococci strains in TEHRAN SEWAGE. A total of 316 isolates of enterococci were selected on mEnterococcus agar medium and identified at the species level by the common biochemical tests. Antibiotic susceptibility test of isolates with six antibiotics and the MIC was also done using broth macro dilution assay. The results showed that 161, 94, 37, 12, 7, 3, 2 and 1 isolates were E. faecium, E. hirae, E. faecalis, E. gallinarum, E. mundtii, E. raffinosus, E. casseliflavus and E. avium respectively. The antibiotic resistance to the isolates were as follow: 5, 5, 6, 17, 21 and 35% of the isolates were resistant to VANCOMYCIN, gentamicin, chloramphenicol, tetracycline, ciprofloxacin and erythromycin respectively. MIC test showed that 15 of the isolates were highly resistant to VANCOMYCIN. Although Enterococcal species was considered to have a high distribution in TEHRAN SEWAGE, but the presence of VRE was limited to E. faecium. Resistance to VANCOMYCIN and gentamicin was less than other antibiotics, and resistance to erythromycin and ciprofloxacin was higher.

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APA: Copy

SEYFI, MAHNAZ, RAHIMI, FATEH, NAKHOST LOTFI, M., POURSHAFIEI, M.R., & SOLTAN DALAL, MOHAMMAD MAHDI. (2008). PREVALENCE AND ANTIBIOTIC RESISTANCE OF ENTEROCOCCI SPECIES ISOLATED FROM TWO SEWAGE TREATMENT PLANTS IN TEHRAN. IRANIAN JOURNAL OF BIOLOGY, 21(2), 250-260. SID. https://sid.ir/paper/21263/en

Vancouver: Copy

SEYFI MAHNAZ, RAHIMI FATEH, NAKHOST LOTFI M., POURSHAFIEI M.R., SOLTAN DALAL MOHAMMAD MAHDI. PREVALENCE AND ANTIBIOTIC RESISTANCE OF ENTEROCOCCI SPECIES ISOLATED FROM TWO SEWAGE TREATMENT PLANTS IN TEHRAN. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2008;21(2):250-260. Available from: https://sid.ir/paper/21263/en

IEEE: Copy

MAHNAZ SEYFI, FATEH RAHIMI, M. NAKHOST LOTFI, M.R. POURSHAFIEI, and MOHAMMAD MAHDI SOLTAN DALAL, “PREVALENCE AND ANTIBIOTIC RESISTANCE OF ENTEROCOCCI SPECIES ISOLATED FROM TWO SEWAGE TREATMENT PLANTS IN TEHRAN,” IRANIAN JOURNAL OF BIOLOGY, vol. 21, no. 2, pp. 250–260, 2008, [Online]. Available: https://sid.ir/paper/21263/en

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