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- Title
Molecular Characterization of Resistance Genes in MDR-ESKAPE Pathogens.
- Authors
Navidinia, Masoumeh; Goudarzi, Mehdi; Rameshe, Samira Molaei; Farajollahi, Zahra; Asl, Pedram Ebadi; khosravi, Saeed Zaka; Mounesi, Mohammad Reza
- Abstract
In the last decade, along with the problem of nosocomial infections, multidrugresistant bacteria in community and hospitals have soared. High frequencies of multidrugresistant bacteria have been grouped under the acronym ESKAPE which capable of 'escaping' the biocidal action of antimicrobial agents. The objective of this study is to consider molecular characterization of resistance genes in ESKAPE pathogens. In this study, three hundred and eighty four bacteria were isolated from clinical samples in Loghman-Hakim Hospital, Tehran, Iran. MDR strains reported through disk diffusion method based on CLSI guidline. Molecular characterization of resistance genes were examined by PCR method. The prevalence of MDR-strains of Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, Enterobacter Spp. were 3(9.09%), 17(23.3%), 11(11.22%), 18(18.36%), 9(18.91%), 4(5.8%), respectively. The most prevalence of resistant genes in ESKAPE bacteria were following as:vanA 40.90%,vanB 22.72% in Enterococcus faecium;mecA24.65%,vanA4.11%, vanB1.37%in Staphylococcus aureus;blaTEM 28.57,blaKPC 12.24% in Klebsiella pneumonia;blaSHV 56.75%,blaVIM 32.43%,blaTEM 29.73 %in Acinetobacter baumannii; blaSHV 44.70%,blaOXA 55.29%,blaVEB 74.11%,blaVIM 62.35%,blaPER 62.35%,Mex-A 74.11%, Mex-B 81.17%, Mex-R76.47%, blaPER 62.35% in Pseudomonas aeruginosa; blaTEM 39.13%, blaSHV 33.33% in Enterobacter SPP. Knowledge of resistance genes prevalence in ESKAPE pathogens is necessary to prepare feasible data about tracing and treatment of infection related to these microorganisms that may be beneficial to clinicians to select a convenient empirical therapeutic diet in diseases due to ESKAPE pathogens at the bedhead. It is recommended that healthcare-associated, community-acquired, and nosocomial infections to be clearly considered annually.
- Subjects
NOSOCOMIAL infections; MULTIDRUG resistance in bacteria; ANTI-infective agents; ENTEROCOCCUS faecium; STAPHYLOCOCCUS aureus; THERAPEUTICS
- Publication
Journal of Pure & Applied Microbiology, 2017, Vol 11, Issue 2, p779
- ISSN
0973-7510
- Publication type
Article
- DOI
10.22207/JPAM.11.2.17