2024-03-28T17:14:51Zhttp://buleria.unileon.es/oai/requestoai:buleria.unileon.es:10612/116822020-12-10T09:00:05Zcom_10612_17col_10612_18
Facultad de Veterinaria
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500
Alegría, Ángel
a0ba379e-3128-4316-9bd2-ec91550b8478
500
Arias-Temprano, Marta
d0a45fc9-5102-4cff-9120-31b34dceb552
500
Férnandez Natal, Isabel
6253e2ae-cfcd-444c-9b0b-e9034171c32a
500
Rodríguez Calleja, José María
915
500
0000-0003-2677-5229
García López, María Luisa
430
500
0000-0001-7582-1821
Santos, Jesús A.
d0f24f90-dbe6-4ccf-b7d2-335390b7b603
500
Tecnologia de los Alimentos
f457112c-f40b-4d83-9f98-a5e7291c498e
500
2020-02
2020-02-20T09:57:54Z
2020-02-20T09:57:54Z
https://www.mdpi.com/1660-4601/17/4/1312
http://hdl.handle.net/10612/11682
10.3390/ijerph17041312
1660-4601
9 p.
Abstract: Dissemination of enterobacteria that produce extended spectrum -lactamases (ESBL)
throughout the food chain has become an important health concern. This work aimed to evaluate the
occurrence of ESBL-producing bacteria in foods of animal origin and to investigate the similarities
between food and human isolates. The presence of beta-lactam-resistant Enterobacteriaceae was
analyzed in 108 food samples, isolating 10 strains of Escherichia coli, one strain of Citrobacter freundi,
and one of Hafnia alvei. E. coli isolates were compared to a group of 15 strains isolated from human
patients by antibiotic susceptibility testing, characterization of ESBL genes (blaTEM, blaCTX,), multilocus
sequence typing (MLST) and pulse-field gel electrophoresis (PFGE). Nineteen (14 clinical and five
food) isolates carried blaCTX, 14 (six clinical and eight food) carried blaTEM, and three (one clinical and
two food) carried blaSHV gen. MLST analysis revealed the prevalence of ST131 among the clinical
strains, which grouped together in a PFGE cluster. Food isolates showed higher diversity and two
of them (ST57) grouped with clinical strains, whereas another two belonged to clonal groups with
virulence potential (ST59). In conclusion, the results showed that foods of animal origin must be
regarded as a reservoir of ESBL-producing bacteria of clinical relevance, which might spread through
the food chain.
SI
eng
MDPI
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
Tecnología de los alimentos
Diversidad molecular
Origen animal
Humanos
3309 Tecnología de Los Alimentos
Molecular Diversity of ESBL-Producing Escherichia coli from Foods of Animal Origin and Human Patients
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
International Journal of Environmental Research and Public Health
17
4
1312
THUMBNAIL
Molecular diversity.pdf.jpg
Molecular diversity.pdf.jpg
IM Thumbnail
image/jpeg
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TEXT
Molecular diversity.pdf.txt
Molecular diversity.pdf.txt
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LICENSE
license.txt
license.txt
text/plain; charset=utf-8
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CC-LICENSE
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ORIGINAL
Molecular diversity.pdf
Molecular diversity.pdf
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10612/11682
oai:buleria.unileon.es:10612/11682
2020-12-10 10:00:05.008
BULERIA. Repositorio Institucional de la Universidad de León
buleria@unileon.es
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