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  • Title: Prevalence, Antimicrobial Resistance, and Pathogenic Potential of Enterotoxigenic and Enteropathogenic Escherichia coli Associated with Acute Diarrheal Patients in Tangail, Bangladesh.
    Author: Rahman MM, Ahmed P, Kar A, Sakib N, Shibly AZ, Zohora FT, Hasan MN.
    Journal: Foodborne Pathog Dis; 2020 Jul; 17(7):434-439. PubMed ID: 31913705.
    Abstract:
    In this study, the prevalence and antimicrobial resistance of enterotoxigenic Escherichia coli (ETEC) and enteropathogenic Escherichia coli (EPEC) were investigated. Altogether 100 stool samples were collected from diarrheal patients attending the Sheikh Hasina Medical College and Hospital, Tangail, Bangladesh, during the period from March 1 to May 30, 2018. In vivo pathogenic potential of ETEC and EPEC using a Caenorhabditis elegans infection model was investigated. Among 100 diarrheal patients, 31% were positive for both ETEC and EPEC strains, 23% were lt positive for ETEC strains, and 8% were bfpA positive for EPEC strains. It was detected that 82.60%, 65.21%, 73.91%, 78.26%, 47.82%, 60.86%, and 47.82% of ETEC strains were resistant to amoxicillin-clavulanic acid (AMC), tetracycline (TE), nalidixic acid (NA), azithromycin, ciprofloxacin, ampicillin (AMP), and erythromycin (E), respectively. Whereas it was detected that 87.5% strains were resistant to AMC, AMP, and E, 75% were resistant to TE and NA, respectively. Both strains developed multidrug resistance to commonly prescribed antibiotics. EPEC showed higher pathogenicity than ETEC as 67.75% and 60% of C. elegans died after 18 h postinfection with EPEC and ETEC, respectively. The high rate of antimicrobial resistance of EPEC and ETEC highlights the necessity for the prudent use of antimicrobials in Bangladesh.
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