Publications by authors named "Malek Naim"

Introduction: The aim of this study was to investigate the presence of carbapenemase-producing Enterobacteriaceae (CPE) in Algerian hospitals and to characterize the molecular types of carbapenemases found.

Methodology: During a four years study lasting between 2012 and 2015, 81 strains of Enterobacteriaceae with reduced susceptibility to carbapenems were collected from different hospitals. Carbapenemase genes were detected by PCR.

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Aim: Sources of contamination, prevalence, and antimicrobial susceptibility of thermophilic isolated from turkey samples were determined.

Materials And Methods: A total of 300 samples were collected from 3 farms (fecal droppings) and 4 poultry slaughterhouses (neck skins and ceca) located in the middle area of Algeria (Algiers, Boumerdès, and Bouira). After detection, an antibiogram was realized only for slaughterhouses samples.

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Products from three broiler abattoirs were sampled for Listeria species to evaluate the changes in the prevalence and contamination rates at two stages of processing. Sampling was performed at the evisceration stage and at the end of processing after packaging and refrigerating at 4°C for 24 h. A total of 212 samples were collected; 52 were from abattoir A, and 80 samples each were collected from abattoirs B and C.

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A carbapenem resistant Klebsiella pneumoniae strain was isolated in October 2011 in the pediatric unit of the Hôpital central de l'armée in Algeria, this strain have been confirmed for the production of OXA-48 carbapenemase. The bla gene was located on a self conjugative plasmid of 70kb. Multilocus sequence typing indicated the presence of the sequence type ST-307.

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Purpose: The aim of the present study was to characterize the molecular support of resistance to carbapenems, aminoglycosides and fluoroquinolones in carbapenem-resistant Acinetobacter baumannii clinical isolates recovered between January 2011 and April 2013 from Algerian hospitals.

Methods: Antibiotic susceptibility testing was performed using disk diffusion and Etest methods. Carbapenemase activity was detected using both MALDI-TOF mass spectrometry assay and via microbiological tests.

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Five different strains of bacteria belonging to the family Enterobacteriaceae were isolated from two patients hospitalized in the intensive care unit of the Central Military Hospital of Algiers, Algeria. All five strains, one Providencia stuartii strain, two Escherichia coli strains, and two Klebsiella pneumoniae strains, were intermediate or resistant to all beta-lactams, including carbapenems. Synergy between imipenem and EDTA was observed for all five strains.

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Listeria monocytogenes was isolated from raw milk, whey and curdled milk produced and collected in the region of Algiers and Blida between September 2003 and July 2004. Four out of 153 (2.61%) farm milk samples and 6 out of 80 (7.

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