
Journal of Water and Health, Год журнала: 2024, Номер 22(12), С. 2276 - 2288
Опубликована: Ноя. 21, 2024
ABSTRACT The spread of antimicrobial resistance (AMR) poses global health threats, with wastewater treatment plants (WWTPs) as hotspots for its development. Horizontal gene transfer facilitates acquisition genes, particularly through integrons in Escherichia coli. Our study investigates E. coli isolates from hospital and municipal WWTPs, focusing on integrons, their temporal correlation phenotypic molecular characterization AMR. Samples WWTPs were collected over two seasons, pre-monsoon (March–May) post-monsoon (December–February). From the (hWWTP) (mWWTP) influents, 45 172 obtained, respectively. hWWTP exhibited significantly higher rates than mWWTP to most tested antimicrobials except tetracycline. showed a prevalence (86.7%) multidrug (MDR) compared (48.3%). proportion MDR nearly doubled season. Integron positivity was 17.7% 19.7% common cassettes conferring trimethoprim aminoglycosides. Phylogroup analysis predominance group A B1 mWWTP. highlights role disseminating AMR, high class 1 detected.
Язык: Английский