Molecular characterization of carbapenem-insensitive Acinetobacter baumannii in Egypt
dc.Affiliation | October University for modern sciences and Arts (MSA) | |
dc.contributor.author | Al-Agamy M.H. | |
dc.contributor.author | Khalaf N.G. | |
dc.contributor.author | Tawfick M.M. | |
dc.contributor.author | Shibl A.M. | |
dc.contributor.author | El Kholy A.A. | |
dc.contributor.other | Pharmaceutics and Microbiology Department | |
dc.contributor.other | College of Pharmacy | |
dc.contributor.other | King Saud University | |
dc.contributor.other | PO Box 2457 | |
dc.contributor.other | Riyadh 11451 | |
dc.contributor.other | Saudi Arabia; Microbiology and Immunology Department | |
dc.contributor.other | Faculty of Pharmacy | |
dc.contributor.other | Al-Azhar University | |
dc.contributor.other | Cairo | |
dc.contributor.other | Egypt; Microbiology and Immunology Department | |
dc.contributor.other | Faculty of Pharmacy | |
dc.contributor.other | Modern Arts and Science University | |
dc.contributor.other | Sixth of October City | |
dc.contributor.other | Egypt; Clinical Pathology Department | |
dc.contributor.other | Faculty of Medicine | |
dc.contributor.other | Cairo University | |
dc.contributor.other | Cairo | |
dc.contributor.other | Egypt | |
dc.date.accessioned | 2020-01-09T20:42:20Z | |
dc.date.available | 2020-01-09T20:42:20Z | |
dc.date.issued | 2014 | |
dc.description | Scopus | |
dc.description.abstract | Objectives: This study investigated the prevalence of diverse Ambler class ?-lactamase-encoding genes in 40 carbapenem-insensitive Acinetobacter baumannii isolates collected from two hospitals in Egypt during the period January-March 2012. Methods: The resistance levels to different groups of antimicrobial agents were determined. PCR was used to detect the different Ambler class ?-lactamases encoding the following genes: blaTEM, blaSHV, blaCTX-M, blaVEB, blaPER, blaGES, blaVIM, blaIMP, blaSIM, blaSPM, blaGIM, blaNDM, blaADC, blaOXA-23, blaOXA-24, blaOXA-51, and blaOXA-58. ISAba1 and int1 were detected by PCR. Results: The isolates were 100% resistant to amoxicillin-clavulanate, aztreonam, cefepime, cefotaxime, and ceftazidime. Of the isolates, 5% were resistant to colistin, 45% to amikacin, 70% to imipenem, and 85% to ciprofloxacin. The blaADC- and blaOXA-51-like genes were detected in the entire collection. The prevalences of blaOXA-23, blaOXA-24, and blaOXA-58 were 50%, 7.5%, and 5%, respectively. However, the prevalences of blaTEM-, blaPER-, and blaGES-like genes were 87.5%, 55%, and 27.5%, respectively. SHV, CTX-M, VEB, KPC, and MBL encoding genes were not detected. The ISAba1 was found upstream to blaOXA-51, blaOXA-23, and blaADC in 85%, 80%, and 50%, respectively. Of note, 45% (18/40) of the isolates co-produced extended-spectrum ?-lactamases (PER and GES) and carbapenemases (OXA-23 and OXA-58). Conclusions: The blaADC-, blaTEM-, blaPER-, blaOXA-23-, and blaGES-like genes were found to be the most prevalent types of ?-lactamase-encoding gene in A. baumannii collected from Egypt. A high level of carbapenem resistance is mediated by blaOXA-23, blaOXA-24, and blaOXA-58 (minimum inhibitory concentration (MIC) 32 to >256?g/ml), and a low level of carbapenem resistance is mediated by blaGES (MIC 4-16?g/ml) and by up-regulation of ISAba1-OXA-51 (MIC 1-4?g/ml). Class B MBL was not identified to play a role in carbapenem resistance in A. baumannii isolates from Egypt. � 2014 The Authors. | en_US |
dc.description.uri | https://www.scimagojr.com/journalsearch.php?q=22380&tip=sid&clean=0 | |
dc.identifier.doi | https://doi.org/10.1016/j.ijid.2013.12.004 | |
dc.identifier.doi | PubMed ID 24607428 | |
dc.identifier.issn | 12019712 | |
dc.identifier.other | https://doi.org/10.1016/j.ijid.2013.12.004 | |
dc.identifier.other | PubMed ID 24607428 | |
dc.identifier.uri | https://t.ly/ge85m | |
dc.language.iso | English | en_US |
dc.publisher | Elsevier B.V. | en_US |
dc.relation.ispartofseries | International Journal of Infectious Diseases | |
dc.relation.ispartofseries | 22 | |
dc.subject | Antimicrobial resistance | en_US |
dc.subject | Carbapenem-insensitive Acinetobacter baumannii | en_US |
dc.subject | ESBL | en_US |
dc.subject | PCR | en_US |
dc.subject | amikacin | en_US |
dc.subject | amoxicillin | en_US |
dc.subject | aztreonam | en_US |
dc.subject | beta lactamase | en_US |
dc.subject | carbapenem | en_US |
dc.subject | carbapenemase | en_US |
dc.subject | cefepime | en_US |
dc.subject | cefotaxime | en_US |
dc.subject | ceftazidime | en_US |
dc.subject | ciprofloxacin | en_US |
dc.subject | clavulanic acid | en_US |
dc.subject | colistin | en_US |
dc.subject | imipenem | en_US |
dc.subject | antiinfective agent | en_US |
dc.subject | carbapenem derivative | en_US |
dc.subject | Acinetobacter baumannii | en_US |
dc.subject | antibiotic resistance | en_US |
dc.subject | article | en_US |
dc.subject | bacterial gene | en_US |
dc.subject | bacterial genetics | en_US |
dc.subject | bacterium detection | en_US |
dc.subject | bacterium isolate | en_US |
dc.subject | Egypt | en_US |
dc.subject | gene identification | en_US |
dc.subject | minimum inhibitory concentration | en_US |
dc.subject | nonhuman | en_US |
dc.subject | phenotype | en_US |
dc.subject | polymerase chain reaction | en_US |
dc.subject | upregulation | en_US |
dc.subject | Acinetobacter baumannii | en_US |
dc.subject | Acinetobacter Infections | en_US |
dc.subject | antibiotic resistance | en_US |
dc.subject | classification | en_US |
dc.subject | enzymology | en_US |
dc.subject | epidemiology | en_US |
dc.subject | female | en_US |
dc.subject | gene expression | en_US |
dc.subject | genetics | en_US |
dc.subject | human | en_US |
dc.subject | isolation and purification | en_US |
dc.subject | male | en_US |
dc.subject | metabolism | en_US |
dc.subject | microbial sensitivity test | en_US |
dc.subject | microbiology | en_US |
dc.subject | molecular epidemiology | en_US |
dc.subject | plasmid | en_US |
dc.subject | Acinetobacter baumannii | en_US |
dc.subject | Acinetobacter Infections | en_US |
dc.subject | Anti-Bacterial Agents | en_US |
dc.subject | beta-Lactam Resistance | en_US |
dc.subject | beta-Lactamases | en_US |
dc.subject | Carbapenems | en_US |
dc.subject | Egypt | en_US |
dc.subject | Female | en_US |
dc.subject | Gene Expression | en_US |
dc.subject | Humans | en_US |
dc.subject | Male | en_US |
dc.subject | Microbial Sensitivity Tests | en_US |
dc.subject | Molecular Epidemiology | en_US |
dc.subject | Plasmids | en_US |
dc.title | Molecular characterization of carbapenem-insensitive Acinetobacter baumannii in Egypt | en_US |
dc.type | Article | en_US |
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dcterms.source | Scopus |