MOLECULAR EPIDEMIOLOGY OF CLINICAL STRAINS OF ENTEOCOCCI FAECIUM IN TEHRAN HOSPITALS

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RAMEZANI A.A.; MOHRAZ M.; FEYZABADI M.; ASGHARZADEH A.; PARASTAN R.; ALI AHMADI A.; VELAYATI A.A.

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Journal Paper

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Journal: Iranian Journal of Infectious Diseases and Tropical Medicine Year:2005 | Volume:10 | Issue:31 Page(s): 5-12

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Title

MOLECULAR EPIDEMIOLOGY OF CLINICAL STRAINS OF ENTEOCOCCI FAECIUM IN TEHRAN HOSPITALS

Author(s)

Keywords

ROTAVIRUS INFECTIONQ2

ELISAQ4

RT-PCRQ2

RFLPQ2

TEHRANQ2

Abstract

Background and objectives: Genetically patterns of Enterococcus are different in some parts of a country and sometimes we can see several clusters and severe polymorphism of Enterococus in one hospital. We aimed to determine genetic relationship between clinical strains of E.facium in TEHRAN hospitals. Material and methods: We collected 296 strains of E.facium from TEHRAN hospitals and isolated 56 E.facium. We identified characteristic and species of strains and all isolates were screened for susceptibility test by Disk diffusion test and MIC and then we used Multilocus enzyme electrophoresis (MEE) and Rep PCR for genetic analysis. Biotype of strains was detected (table 1) Results: We determined 7 biotypes in 60 strains (include 56 Iranian and 4 Danish and USA strains). Biovar 1 was the most common phenotype amongst the isolates (n=20) followed by biovars 2 (n=10), 3(n=11), 4(n=7), 5(n=6), 6(n=3) and 7(n=3). The seven vancomycin resistant isolates belonged to biovars 1,3,4and 5and we detected Van A gen in these strains. These isolate categorized in 5 genotypes by PCR fingerprinting. The 60 isolates of E.facium were divided into 42 electrophoresis types in MEE and 47 types by PCR. Conclusion: we expected that strains cultured from patients at the same wards to be related. Conversely with a few exceptions E.facium isolates from such patients belonged to different biovars and distinct electrophoresis types. These isolates were also differentiated by PCR. Data obtained from MEE showed that the population is not clonal and rolled out the expectation for frequent finding of identical or closely related isolates in the wards of hospitals. It also suggests that recombination might be frequently occurring in the population

Cites

MUTATIONS AT C-TERMINAL DOMAIN OF PBP5 GENE AMONG HIGH LEVEL AMPICILLIN RESISTANT ISOLATES OF E. FAECIUM IN IRAN

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APA: Copy

RAMEZANI, A.A., MOHRAZ, M., FEYZABADI, M., ASGHARZADEH, A., PARASTAN, R., ALI AHMADI, A., & VELAYATI, A.A.. (2005). MOLECULAR EPIDEMIOLOGY OF CLINICAL STRAINS OF ENTEOCOCCI FAECIUM IN TEHRAN HOSPITALS. IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE, 10(31), 5-12. SID. https://sid.ir/paper/52829/en

Vancouver: Copy

RAMEZANI A.A., MOHRAZ M., FEYZABADI M., ASGHARZADEH A., PARASTAN R., ALI AHMADI A., VELAYATI A.A.. MOLECULAR EPIDEMIOLOGY OF CLINICAL STRAINS OF ENTEOCOCCI FAECIUM IN TEHRAN HOSPITALS. IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE[Internet]. 2005;10(31):5-12. Available from: https://sid.ir/paper/52829/en

IEEE: Copy

A.A. RAMEZANI, M. MOHRAZ, M. FEYZABADI, A. ASGHARZADEH, R. PARASTAN, A. ALI AHMADI, and A.A. VELAYATI, “MOLECULAR EPIDEMIOLOGY OF CLINICAL STRAINS OF ENTEOCOCCI FAECIUM IN TEHRAN HOSPITALS,” IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE, vol. 10, no. 31, pp. 5–12, 2005, [Online]. Available: https://sid.ir/paper/52829/en

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