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RESEARCH PAPER
Resistance to antibiotics in heterotrophic bacteria as a result of environmental pollution
 
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Gdański Uniwersytet Medyczny, Instytut Medycyny Morskiej i Tropikalnej, Zakład Ochrony Środowiska i Higieny Transportu. Dyrektor Instytutu: dr n. med. W. Nahorski; Kierownik Zakładu: dr hab. K. Zorena
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Gdański Uniwersytet Medyczny, Instytut Medycyny Morskiej i Tropikalnej, Zakład Toksykologii Środowiska. Dyrektor Instytutu: dr n. med. W. Nahorski; Kierownik Zakładu: prof. dr hab. n. chem. L. Wolska
CORRESPONDING AUTHOR
Maria Bartoszewicz   

Gdański Uniwersytet Medyczny Instytut Medycyny Morskiej i Tropikalnej Zakład Ochrony Środowiska i Higieny Transportu 80-210 Gdańsk, ul. M. Skłodowskiej-Curie 3A tel. +583491768
 
Med Srod. 2014;17(4):38–46
 
KEYWORDS
ABSTRACT
Introduction:
The aim of the study was to investigate resistance to selected antibiotics in Escherichia coli and Enterococcus faecalis strains that were isolated from water collected from ten streams within the administrative boundaries of the city of Sopot.

Material and Methods:
114 E. coli strains and 57 E. faecalis strains were studied. Antibiotic resistance was determined by the disc diffusion method using antibiotic-impregnated discs.

Results:
The isolated E. coli strains were resistant to chloramphenicol (21%), cefepime (51%), tetracycline (41%), imipenem (35%), cephazoline (62%) and gentamicin (90%). E. faecalis isolates showed resistance to erythromycin (75%), chloramphenicol (21%) and imipenem (33%). The relationship between the level of antibiotic resistance, the origin of water sample and the level of water contamination with E. coli and Enterococcus faecalis bacteria in the investigated streams was analyzed.

Conclusions:
Based on the obtained results, it was determined that multi-drug resistant bacterial strains of E. coli and E. faecalis are present in the investigated surface waters.

 
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