Prevalence of Extended-Spectrum β-Lactamase-Producing Bacteria on Fresh Vegetables in Japan

Extended-spectrum β-lactamase (ESBL)-producing bacteria are spreading rapidly, posing a threat to human and animal health. Contamination of vegetables with antimicrobial-resistant bacteria or those harboring antimicrobial resistance genes or a combination of both presents a potential route of transm...

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Bibliographic Details
Published in:Journal of food protection 2019-10, Vol.82 (10), p.1663-1666
Main Authors: Usui, Masaru, Ozeki, Kazuya, Komatsu, Tadasu, Fukuda, Akira, Tamura, Yutaka
Format: Article
Language:English
Subjects:
Animal health
Animals
Anti-Bacterial Agents - pharmacology
Antibiotics
Antiinfectives and antibacterials
Antimicrobial agents
Antimicrobial resistance
Bacteria
Bacteria - drug effects
Bacteria - enzymology
beta-Lactamases - metabolism
Cloning
Contamination
Drug resistance
E coli
Feces
Food contamination
Food Microbiology
Food safety
Genes
Humans
Hygiene
Identification
Japan
Livestock
Prevalence
Public health
Quality control
Strains (organisms)
Supermarkets
Vegetables
Vegetables - microbiology
Veterinary medicine
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Summary:Extended-spectrum β-lactamase (ESBL)-producing bacteria are spreading rapidly, posing a threat to human and animal health. Contamination of vegetables with antimicrobial-resistant bacteria or those harboring antimicrobial resistance genes or a combination of both presents a potential route of transmission to humans. Therefore, the aim of this study was to determine the prevalence of these bacteria in fresh vegetables in Japan. A total of 130 samples of fresh vegetables were collected from seven supermarkets in Japan. The predominant genus detected was spp., including 10 ESBL-producing strains, isolated from 10 (7.7%) of the vegetable samples. Two ESBL genes were detected, ( = 7) and ( = 3), and some of these strains were resistant to multiple antibiotics. Because vegetables are often consumed raw, those contaminated with ESBL producers could represent an important route of transmission to humans in Japan. Thus, more stringent hygiene measures and monitoring are required to prevent transmission via this source.
ISSN:0362-028X
1944-9097
DOI:10.4315/0362-028X.JFP-19-138