Resistance Pattern of Tetracycline in Escherichia coli Isolates from Hospitalized Patients in Gonbad Kavus

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FOZOUNI LEILA; Sarkari Sona; SHOKRAVI SHADMAN

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Journal: Iranian Journal of Infectious Diseases and Tropical Medicine Year:2020 | Volume:25 | Issue:88 Page(s): 9-16

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Title

Resistance Pattern of Tetracycline in Escherichia coli Isolates from Hospitalized Patients in Gonbad Kavus

Author(s)

FOZOUNI LEILA | Sarkari Sona | SHOKRAVI SHADMAN | Issue Writer Certificate

Keywords

UropathogenicQ2

E.coliQ1

TetracyclineQ2

PCRQ3

Abstract

Background & Objective: Escherichia coli is the most common cause of urinary tract infection. Unfortunately, excessive use of antibiotics has led to the release of resistant pathogens and enhancement of resistance genes. The aim of this study was to evaluate the resistance pattern of Tetracycline in Uropathogenic E. coli strains isolated from patients hospitalized in different wards of hospitals in Gonbad e kavus and environs. Matherials and Methods: In this study, 310 urine samples were collected from hospitalized patients. After performing diagnostic tests, antibiotic susceptibility test was performed using the disk diffusion method (Kirby-Baer method) and broth microdilution. Then they were identified by PCR and specific primers of tetA and tetB resistance genes. Results: Of 193 isolates, 33. 2% showed resistance to Tetracycline, and the highest sensitivity was observed to cefepime (81%). Determination of minimum inhibitory concentration of Tetracycline showed that 48% of strains showed MIC≤ 4 μ g/mL and the highest growth rates were observed at MIC=2 μ g/mL. Of the 64 isolates, 28 isolates (43. 8%) had the tetA gene, and 31 isolates (48. 4%) had the tetB gene, while only 1 isolate (1. 6%) shared both genes. Conclusion: The results showed that resistance to Tetracycline is relatively common in E. coli isolates, but the frequency of tetA and tetB resistance genes are approximately the same in the strains isolated from hospitalized patients.

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APA: Copy

FOZOUNI, LEILA, Sarkari, Sona, & SHOKRAVI, SHADMAN. (2020). Resistance Pattern of Tetracycline in Escherichia coli Isolates from Hospitalized Patients in Gonbad Kavus. IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE, 25(88 ), 9-16. SID. https://sid.ir/paper/373225/en

Vancouver: Copy

FOZOUNI LEILA, Sarkari Sona, SHOKRAVI SHADMAN. Resistance Pattern of Tetracycline in Escherichia coli Isolates from Hospitalized Patients in Gonbad Kavus. IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE[Internet]. 2020;25(88 ):9-16. Available from: https://sid.ir/paper/373225/en

IEEE: Copy

LEILA FOZOUNI, Sona Sarkari, and SHADMAN SHOKRAVI, “Resistance Pattern of Tetracycline in Escherichia coli Isolates from Hospitalized Patients in Gonbad Kavus,” IRANIAN JOURNAL OF INFECTIOUS DISEASES AND TROPICAL MEDICINE, vol. 25, no. 88 , pp. 9–16, 2020, [Online]. Available: https://sid.ir/paper/373225/en

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