Vancomycin and florfenicol resistant Enterococcus faecalis and Enterococcus faecium isolated from human urine in an Egyptian urban-rural community.

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ID: 60321
2019
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Abstract
Multidrug resistance is one of the top three threats to global public health. Understanding resistance of bacteria is important to help decrease resistance and improve the development of novel antimicrobial agents or other alternative tools to combat public health challenges. Thus, the goal of this study was to investigate the vancomycin and florfenicol resistance genes of five E. faecalis and 15 E. faecium isolated from patients with urinary tract infections. There were 20 Enterococcus obtained from the library collection of randomly selected private hospitals located in the city of El Qanater El Khayreya; these samples were isolated during 2017. Samples were evaluated for their phenotypic characterization of virulence factors, antimicrobial resistance and PCR was conducted to detect the prescence of the vancomycin vanABC and florfenicol resistance genes encoding the catAB, fexAB and cfu. There were six different antibiotic resistance profiles observed. The 20 isolates showed resistance to clindamycin, oxytetracycline and gentamycin. Resistance was evident to ciprofloxacin, norfloxacin and florfenicol in the absence of the cfr gene in all of the 20 Enterococcus isolates. In addition, all isolates produced biofilms and were classified as extensive drug resistant. MAR of the isolates were >0.6. The MAR of human isolates of enterococci suggest these pathogens originate from a high-risk source of contamination where antibiotics are often used. This information highlights a possible public health concern to the Egyptian community. The results also suggest the emergence of a linezolid sensitive-vancomycin resistant E. faecium and E. faecalis in the absence of the cfr gene.
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Authors Osman, Kamelia;Zolnikov, Tara Rava;Badr, Jihan;Naim, Heba;Hanafy, Mai;Elbehiry, Ayman;Saad, Aalaa;
Journal Acta tropica
Year 2019
DOI
S0001-706X(19)31238-0
URL
Keywords
antibiotic resistance biofilm formation chloramphenicol–florfenicol resistance genes enterococcus faecalis human urine vancomycin resistance genes faecium

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