Abbassi Mohamed Salah

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BACKGROUND Coagulase-negative staphylococci (CoNS) have emerged as an important opportunistic pathogen isolated in hospital. Several species of CoNS have been implicated in human infections and disease especially in patients with poor health status. METHODS A total of 71 clinical strains of CoNS were isolated from dialysis fluid and needles in a dialysis(More)
Streptomyces sp. CN229 was isolated from Tunisia soil. This strain displayed antimicrobial activity against Gram positive and Gram negative bacteria. In addition it is resistant to most β-lactam antibiotics including imipenem and meropenem (MIC imipenem >70 μg/ml). Metallo-β-lactamase (MβL) production was confirmed by either imipenem MIC decrease in the(More)
Antimicrobial resistance phenotypes, tetracycline, sulphonamide resistance genes, and integrons were analysed in 48 Escherichia coli isolates recovered from urine cultures of diabetic patients in Tunisia. Twenty-one were susceptible to all antibiotics tested. High rates of resistance were observed for amoxicillin (39.5%), trimethoprim-sulphamethoxazole(More)
Essential oils of marjoram were extracted from plants, growing under non-saline and saline condition (75mM NaCl). Their antioxidant and antibaterial activity against six bacteria (Enterococcus faecalis, Escherichia coli, Salmonella enteritidis, Listeria ivanovii, Listeria inocula, and Listeria monocytogenes) were assessed. Result showed that, (i)(More)
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