Antibiotic-resistant Escherichia coli in drinking water samples from rural Andean households in Cajamarca, Peru
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
ID 4508927
Author(s) Larson, Anika; Hartinger, Stella Maria; Riveros, Maribel; Salmon-Mulanovich, Gabriela; Hattendorf, Jan; Verastegui, Hector; Huaylinos, Maria Luisa; Mäusezahl, Daniel
Author(s) at UniBasel Hartinger, Stella
Hattendorf, Jan
Mäusezahl, Daniel
Year 2019
Title Antibiotic-resistant Escherichia coli in drinking water samples from rural Andean households in Cajamarca, Peru
Journal American journal of tropical medicine and hygiene
Volume 100
Number 6
Pages / Article-Number 1363-1368
Abstract Antibiotic resistance in pathogenic bacteria is a serious public health issue. The growing threat is a cause for concern and action to prevent the emergence of new resistant strains and the spread of existing ones to humans via the environment. This study aimed at identifying fecal pathogens in drinking water obtained from rural Andean households from Cajamarca, Peru, and measuring the antibiotic resistance profile of; Escherichia coli; . The study was embedded within a community-randomized controlled trial among 102 communities in the northern highlands of the Cajamarca region, Peru. Of 314 samples, 55.4% (95% CI [49.7, 61.0],; n; = 174) were identified as thermotolerant coliforms. Among the samples positive for thermotolerant coliform,; E. coli; was isolated in 37.3% (; n; = 117),; Klebsiella; spp; .; in 8.0% (; n; = 25),; Enterobacter; spp; .; in 5.1% (; n; = 16), and; Citrobacter; spp; .; in 2.5% (; n; = 8). Of the 117; E. coli; samples, 48.7% (95% CI [39.4, 58.1],; n; = 57) showed resistance to any antibiotic. The; E. coli; antibiotic resistance profile showed highest resistance against tetracycline (37.6%), ampicillin (34.2%), sulfamethoxazole-trimethoprim (21.4%), and nalidixic acid (13%). Some 19.7% (95% CI [12.9, 28.0],; n; = 23) of the; E. coli; isolates displayed multidrug resistance, defined as resistance to at least three classes of antibiotics. The CTX-M-3 gene, which encodes extended-spectrum resistance to beta-lactamase antibiotics, was found in one isolate. The high prevalence of fecal contamination in drinking water highlights the importance of household water treatment methods. Likewise, the high levels of antibiotic resistance found indicate a need for further research to identify the origins of potential environmental contamination, misuse, or inadequate disposal of antibiotics.
Publisher Williams and Wilkins
ISSN/ISBN 0002-9637
Full Text on edoc No
Digital Object Identifier DOI 10.4269/ajtmh.18-0776
PubMed ID
ISI-Number MEDLINE:31017079
Document type (ISI) Journal Article

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