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Information Journal Paper

Title

SEROTYPING, ANTIBIOTIC SUSCEPTIBILITY PATTERN AND DETECTION OF HLYA GENE AMONG CHOLERA PATIENTS IN IRAN

Pages

  20-23

Abstract

 Background: Cholera is a severe diarrheal illness caused by VIBRIO CHOLERAe, which produces a virulence factor named El Tor hemolysin encoded by the hly A gene.Objectives: This study meant to analyze the phenotypic characteristics and presence of hlyA gene in V. cholerae isolated from patients in Iran. The hlyA gene which codes for hemolysin, plays an essential role in manifestation of cholera, and could be used to diagnose pathogenic V. cholerae El Tor O1 strains.Patients and Methods: One hundred stool samples from the patients with cholera during 2002-2003 were collected from Tehran, Kashan, Kermanshah and Ahvaz cities, which were subject to diagnostic tests. Serotyping, and antibiotic susceptibility tests were applied and POLYMERASE CHAIN REACTION (PCR) was also used to detect the hlyA gene.Results: The group specific antisera identified the isolates as Ogawa, Inaba, Hikojima and NAG (Non-agglutinable) in 74%, 3%, 0% and 23% of the isolates, respectively. Antibiotic susceptibility test showed that all of the strains were sensitive to ciprofloxacin, gentamycin and doxycyclin but the isolates showed resistance to sulfamethoxazole/trimethoprim (74%), erythromycin (64%) and tetracycline (50%). V. cholerae El Tor isolates were 100% positive for hlyA gene, but hemolysis phenotype characteristics were found in 95% of the cases.Conclusions: The results indicated that Ogawa serotype was identified as the dominant serotype which revealed multiple antibiotic resistances to sulfamethoxazole/trimethoprim, oxytetracycline, erythromycin, tetracycline and chloramphenicol.The presence of hlyA gene in nonhemolytic strains of V. cholerae O1 biotype El Tor indicated that some factors prevent expression of the hemolysin gene.

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    • Cite

    APA: Copy

    SEDAGHAT, MANIJEH, RAHIMI, FATEH, TALEBI, MALIHEH, & POURSHAFIE, MOHAMMAD REZA. (2013). SEROTYPING, ANTIBIOTIC SUSCEPTIBILITY PATTERN AND DETECTION OF HLYA GENE AMONG CHOLERA PATIENTS IN IRAN. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), 6(1 (S.N. 19)), 20-23. SID. https://sid.ir/paper/317283/en

    Vancouver: Copy

    SEDAGHAT MANIJEH, RAHIMI FATEH, TALEBI MALIHEH, POURSHAFIE MOHAMMAD REZA. SEROTYPING, ANTIBIOTIC SUSCEPTIBILITY PATTERN AND DETECTION OF HLYA GENE AMONG CHOLERA PATIENTS IN IRAN. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM)[Internet]. 2013;6(1 (S.N. 19)):20-23. Available from: https://sid.ir/paper/317283/en

    IEEE: Copy

    MANIJEH SEDAGHAT, FATEH RAHIMI, MALIHEH TALEBI, and MOHAMMAD REZA POURSHAFIE, “SEROTYPING, ANTIBIOTIC SUSCEPTIBILITY PATTERN AND DETECTION OF HLYA GENE AMONG CHOLERA PATIENTS IN IRAN,” JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), vol. 6, no. 1 (S.N. 19), pp. 20–23, 2013, [Online]. Available: https://sid.ir/paper/317283/en

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