SURVEILLANCE OF VIRULENCE MARKERS AND ANTIBIOTIC RESISTANCE OF SHIGA TOXIN PRODUCING E.COLI O157:H7 STRAINS FROM MEATS PURCHASE IN SHIRAZ

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KARGAR M.; DANESHVAR M.; HOMAYOON M.

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Journal: Iranian South Medical Journal Year:2011 | Volume:4 | Issue:2 Page(s): 76-83

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Title

SURVEILLANCE OF VIRULENCE MARKERS AND ANTIBIOTIC RESISTANCE OF SHIGA TOXIN PRODUCING E.COLI O157:H7 STRAINS FROM MEATS PURCHASE IN SHIRAZ

Author(s)

KARGAR M. | DANESHVAR M. | HOMAYOON M. | Issue Writer Certificate

Keywords

ESCHERICHIA COLI O157:H7Q2

SHIGA TOXINQ2

ANTIBIOTIC RESISTANCEQ2

MEAT O157:H7Q2

SHIGA TOXINQ2

ANTIBIOTIC RESISTANCEQ2

MEATQ2

Abstract

Background: SHIGA TOXIN Producing ESCHERICHIA COLI O157:H7 is a common pathogen in cattle, which occasional causes some human disease. This bacterium can potentially contaminate MEAT and clinical cases of E.coli O157:H7 infections are often associated with consumption of undercooked ground beef.Methods: In this cross-sectional study 122 samples of ground MEAT were collected and after enrichment in specific culture media and evaluation sorbitol fermentation and their β-glucoronidase activity, the isolation of E.coli O157:H7 strains have been confirmed with specific antisera. Then virulence genes verotoxin, intimin and hemolysin with multiplex PCR and ANTIBIOTIC RESISTANCE strains with disk diffusion method have been tested.Results: Out of specimens that have been supplied, 119 sorbitol negative colonies isolated which 3 strains O157:H7 (2.45%) with specific antisera confirmed. Out of considered virulence genes, in two cases of these samples (1.64%) the stx1 and eaeA genes were seen and also 2 isolated bacteria had resistance to erythromycin, tetracycline, ampicillin, penicillin, clindamicin, cefixime, novobiocin, and gentamicin antibiotics.Conclusion: As this organism lives in intestines of healthy cattle, preventive measures on cattle farms and during MEAT processing are necessary.

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APA: Copy

KARGAR, M., DANESHVAR, M., & HOMAYOON, M.. (2011). SURVEILLANCE OF VIRULENCE MARKERS AND ANTIBIOTIC RESISTANCE OF SHIGA TOXIN PRODUCING E.COLI O157:H7 STRAINS FROM MEATS PURCHASE IN SHIRAZ. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), 4(2), 76-83. SID. https://sid.ir/paper/33754/en

Vancouver: Copy

KARGAR M., DANESHVAR M., HOMAYOON M.. SURVEILLANCE OF VIRULENCE MARKERS AND ANTIBIOTIC RESISTANCE OF SHIGA TOXIN PRODUCING E.COLI O157:H7 STRAINS FROM MEATS PURCHASE IN SHIRAZ. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ)[Internet]. 2011;4(2):76-83. Available from: https://sid.ir/paper/33754/en

IEEE: Copy

M. KARGAR, M. DANESHVAR, and M. HOMAYOON, “SURVEILLANCE OF VIRULENCE MARKERS AND ANTIBIOTIC RESISTANCE OF SHIGA TOXIN PRODUCING E.COLI O157:H7 STRAINS FROM MEATS PURCHASE IN SHIRAZ,” IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), vol. 4, no. 2, pp. 76–83, 2011, [Online]. Available: https://sid.ir/paper/33754/en

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