THE SURVEY OF VIRULENCE FACTORS OF E. FAECALIS ISOLATED FROM URINE SAMPLES

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GHASEMI AHMAD; MONIRI REZVAN; KHOURSHIDI AHMAD; MOUSAVI SEYED GHOLAM ABAS

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Journal: IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY Year:2009 | Volume:2 | Issue:3-4 Page(s): 53-58

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Title

THE SURVEY OF VIRULENCE FACTORS OF E. FAECALIS ISOLATED FROM URINE SAMPLES

Author(s)

GHASEMI AHMAD | MONIRI REZVAN | KHOURSHIDI AHMAD | MOUSAVI SEYED GHOLAM ABAS | Issue Writer Certificate

Keywords

E.FAECALISQ4

VIRULENCE FACTORSQ2

GELATINASEQ4

BIOFILMQ2

URINARY TRACT INFECTIONSQ4

Abstract

Background and objectives: Enterococcus faecalis is a normal commensal in the human intestinal flora but can lead to nosocomial infections. Several VIRULENCE FACTORS have been described in E. faecalis, including aggregation substance(Agg), entrococcal surface protein(Esp), cytolysin (Cyl) having both hemolytic and bactericidal activity, and GELATINASE(Gel). These factors act synergistically to enhance virulence, resulting tissue damage and tissue invasion. The aims of this study were phenotypic determination of VIRULENCE FACTORS of E. faecalis isolates recovered from patients with URINARY TRACT INFECTIONS. Material and Methods: This descriptive study were carried out in 95 clinical E. faecalis isolates recovered from patients with URINARY TRACT INFECTIONS in Shahid Beheshti hospital in Kashan, Iran, between 2007 and 2008. The production of BIOFILM, hemolysin and GELATINASE by these isolates was also examined and the associated medical records of patients were retrospectively reviewed. Data were analyzed using Exact Fischer test and Chi Square. Results: GELATINASE activity was detected in 19 of the 95 (20%) E. faecalis isolates, hemolysin was detected in 42 of 95 (44.2%) E. faecalis isolates as beta hemolysis 35.8% and alpha hemolysis 7.4%, and 79 out of 95(83.2%) isolates showed weak, 6 out of 95(6.3%) moderate and 10 out of 95 (10.5%) strong BIOFILM formation. There was no significant statistical correlation between BIOFILM formation and age, sex, previous history of antibiotic therapy, catheterization, and production of haemolysin and GELATINASE activity. Conclusions: No single factor was detected as virulence prediction. It seems that the factors are act synergistically.

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APA: Copy

GHASEMI, AHMAD, MONIRI, REZVAN, KHOURSHIDI, AHMAD, & MOUSAVI, SEYED GHOLAM ABAS. (2009). THE SURVEY OF VIRULENCE FACTORS OF E. FAECALIS ISOLATED FROM URINE SAMPLES. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, 2(3-4), 53-58. SID. https://sid.ir/paper/132591/en

Vancouver: Copy

GHASEMI AHMAD, MONIRI REZVAN, KHOURSHIDI AHMAD, MOUSAVI SEYED GHOLAM ABAS. THE SURVEY OF VIRULENCE FACTORS OF E. FAECALIS ISOLATED FROM URINE SAMPLES. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY[Internet]. 2009;2(3-4):53-58. Available from: https://sid.ir/paper/132591/en

IEEE: Copy

AHMAD GHASEMI, REZVAN MONIRI, AHMAD KHOURSHIDI, and SEYED GHOLAM ABAS MOUSAVI, “THE SURVEY OF VIRULENCE FACTORS OF E. FAECALIS ISOLATED FROM URINE SAMPLES,” IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY, vol. 2, no. 3-4, pp. 53–58, 2009, [Online]. Available: https://sid.ir/paper/132591/en

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