A New Colorimetric Method for Rapid Detection of Antibiotic Resistance in Escherichia coli Isolates

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Gun Mehmet Akif; Cayci Yeliz Tanriverdi; Durupinar Belma; Coban Ahmet Yilmaz

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Paper Information

Journal: Jundishapur Journal of Microbiology Year:2021 | Volume:14 | Issue:11 Page(s): 0-0

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Title

A New Colorimetric Method for Rapid Detection of Antibiotic Resistance in Escherichia coli Isolates

Author(s)

Gun Mehmet Akif | Cayci Yeliz Tanriverdi | Durupinar Belma | Coban Ahmet Yilmaz | Issue Writer Certificate

Keywords

Escherichia coli

Microbial Sensitivity Tests

Resazurin

Abstract

Background: The quick diagnosis and early initiation of antibiotic therapy in bacteria-induced infections is of paramount importance. Accordingly, the rapid identification of the causative agent, the short-term results of antibiotic sensitivity, the selection and use of right antibiotics for treatment further highlights the significance of this issue. Objectives: This study aimed to develop a new susceptibility testing method to provide rapid results in Escherichia coli clinical isolates and report the antibiotic susceptibility test results to clinicians in a short period. Methods: In the study, one hundred and ten E. coli clinical isolates were tested. In this regard, antibiotics recommended by the "Clinical and Laboratory Standards Institute (CLSI)" for testing the sensitivity of E. coli isolates, including amoxicillin-clavulanate, cefixime, ceftriaxone, ertapenem, ciprofloxacin, gentamicin, trimethoprim-sulfamethoxazole, and nitrofurantoin were tested. For quality control, E. coli ATCC25922, E. coli ATCC35218, Staphylococcus aureus ATCC29213, and E. coli 13846NTCC strains were used. The broth microdilution method recommended by CLSI was used as the reference method. Minimum inhibitory concentration values were determined, and antimicrobial susceptibilities were then determined according to the “ European Committee on Antimicrobial Susceptibility Testing (EUCAST)” criteria. In the next phase, the results of the Resazurin microplate method (RMM) were compared. Results: The comparison of the RMM developed in the present study with the reference method revealed that the calculated essential agreement ratios for eight antibiotics varied from 82. 72 to 100%, and the categorical agreement values ranged from 95. 45 to 100%. Conclusions: According to the findings, the RMMresults were highly in agreement with the results of the reference method. RMM allows the detection of antibiotic susceptibility quickly (e. g., within 5 hours) as such it is preferred, especially for laboratories with limited facilities. However, further multi-center studies are recommended to use this method in routine laboratories.

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APA: Copy

Gun, Mehmet Akif, Cayci, Yeliz Tanriverdi, Durupinar, Belma, & Coban, Ahmet Yilmaz. (2021). A New Colorimetric Method for Rapid Detection of Antibiotic Resistance in Escherichia coli Isolates. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), 14(11), 0-0. SID. https://sid.ir/paper/984814/en

Vancouver: Copy

Gun Mehmet Akif, Cayci Yeliz Tanriverdi, Durupinar Belma, Coban Ahmet Yilmaz. A New Colorimetric Method for Rapid Detection of Antibiotic Resistance in Escherichia coli Isolates. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM)[Internet]. 2021;14(11):0-0. Available from: https://sid.ir/paper/984814/en

IEEE: Copy

Mehmet Akif Gun, Yeliz Tanriverdi Cayci, Belma Durupinar, and Ahmet Yilmaz Coban, “A New Colorimetric Method for Rapid Detection of Antibiotic Resistance in Escherichia coli Isolates,” JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), vol. 14, no. 11, pp. 0–0, 2021, [Online]. Available: https://sid.ir/paper/984814/en

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