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DETECTION OF ENTEROCIN PRODUCTION FROM LOCAL ISOLATES OF ENTEROCOCCUS FAECALIS AND RELATIONSHIP WITH SOME VIRULENCE FACTORS AND RESISTANCE TO ANTIBIOTICS | ||
| Iraqi Journal of Biotechnology | ||
| Article 1, Volume 9, Issue 3, 2010, Pages 642-656 | ||
| Abstract | ||
| A total of 290 clinical specimens were collected from various hospitals in Baghdad from patient suffering from Urinary tract infection ,wound ,vaginal inflammation and (80) stool samples collected from healthy individuals. The results showed that 50 isolates belonged to Enterococcus faecalis according to the cultural, microscopically, biochemical examination and monovalent test (agglutination test) of which, 23 isolates (46%) from stool samples,27 (54%) isolates from clinical cases distributed between 16(32%) urine samples, 6(12%) wound swabs and 5(10%) vaginal swabs. The cup agar method considered as most efficiency methods that use in this study to detection the ability of E.faecalis to produce enterocin. The results showed that 56% of the isolates produced enterocin while 44% of isolates did not show any inhibitory action. The isolates showed multi resistance to many antibiotics, but Augmentin and Nitrofurantion were found to be the most effective agents against the isolates, while others were variable in their sensitivity, and only 6 isolates (12%) from clinical sources showed ability to produce B- lactamase Detection of some virulence factors in local isolates of E. faecalis such as Hemolysin , Gelatinase, cytolysin (production hemolysin and enterocin), showed that E.faecalis isolates possessed 14% hemolysin, 8% from clinical sources, and 6% of this isolates showed ability to produce enterocin (cytolysin), 6% of normal flora isolates produced hemolycin was distributed between 4% isolates produce cytolycin( hemolycin and enterocin), and all isolates of E. faecalis did not show ability to produce Gelatinase | ||
| Keywords | ||
| Enterocin; Enterococcus faecalis; virulence factors; Cytolycin; Gelatinase; Hemolysin; Antibiotics | ||
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