Enumeration and Characterization of Antimicrobial-Resistant Escherichia coli Bacteria in Effluent from Municipal, Hospital, and Secondary Treatment Facility Sources-Reference-Cited by-同舟云学术

Enumeration and Characterization of Antimicrobial-Resistant Escherichia coli Bacteria in Effluent from Municipal, Hospital, and Secondary Treatment Facility Sources

Published:2010-07-15 Issue:14 Volume:76 Page:4772-4779
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Galvin Sandra¹,Boyle Fiona¹,Hickey Paul²,Vellinga Akke¹,Morris Dearbháile¹,Cormican Martin¹

Affiliation:

1. School of Medicine, National University of Ireland, Galway, Ireland

2. Environmental Health Office, Health Services Executive Western Region, Galway, Ireland

Abstract

ABSTRACT We describe a modification of the most probable number (MPN) method for rapid enumeration of antimicrobial-resistant Escherichia coli bacteria in aqueous environmental samples. E. coli (total and antimicrobial-resistant) bacteria were enumerated in effluent samples from a hospital ( n = 17) and municipal sewers upstream ( n = 5) and downstream ( n = 5) from the hospital, effluent samples from throughout the treatment process ( n = 4), and treated effluent samples ( n = 13). Effluent downstream from the hospital contained a higher proportion of antimicrobial-resistant E. coli than that upstream from the hospital. Wastewater treatment reduced the numbers of E. coli bacteria (total and antimicrobial resistant); however, antimicrobial-resistant E. coli was not eliminated, and E. coli resistant to cefotaxime (including extended-spectrum beta-lactamase [ESBL] producers), ciprofloxacin, and cefoxitin was present in treated effluent samples.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/AEM.02898-09

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